CXDI Control Software NE

Version 1.40

Setup Guide

Before using this software, be sure to read this manual and the separate Operation Manual
thoroughly.
Also, read the Digital Radiography CXDI series User’s Manual.
Keep the manual where it is easily accessible.
To the Customers
Thank you for purchasing the Canon CXDI Control Software NE (hereinafter called this product).
Operating instructions are divided into two volumes: the Operation Manual and the Setup Guide.
Before using this product, be sure to read these manuals thoroughly in order to utilize this product more
effectively.

Disclaimer
1. In no event shall Canon be liable for any damage or loss arising from fire, earthquake, any action or
accident by a third party, any intentional or negligent action by the users, any trial usage, or other usage
under abnormal conditions.
2. In no event will Canon be liable for direct or indirect consequential damage arising out of the use or
unavailability of this product.
Canon will not be liable for loss of image data due to any reason.
3. In no event shall Canon be liable for personal physical harm or property damage that is sustained when
the instructions are not followed or the product is misused.
4. It is the responsibility of the attending physicians to provide medical care services. Canon will not be liable
for the faulty diagnosis.
5. Roentgenography, image processing, image reading, and image data storage must be performed in
accordance with the laws of the country or region in which the product is being used.
The user is responsible for maintaining the privacy of image data.
6. Information in this manual may change without prior notice.
7. We’ve taken all possible means to ensure the content accuracy of this manual. If you have any questions
or problems, contact your sales representative or local Canon dealer.

Trademarks
• The Canon name and Canon logo are registered trademarks of Canon Inc.
• Ethernet is a trademark of Xerox Corporation.
• Microsoft and Windows are either registered trademarks or trademarks of Microsoft Corporation in the
United States and/or other countries or regions.
• TrueType is a registered trademark of Apple Inc.
• Intel and Intel Core are trademarks of Intel Corporation in the U.S. and other countries.
• NVIDIA, GeForce, and NVIDIA Quadro are either registered trademarks or trademarks of NVIDIA
Corporation in the United States and/or other countries or regions.
• Other systems and product names in this manual are the trademarks of the manufacturers that have
developed them.

Copyright
• All rights reserved.
• Under copyright laws, this manual may not be reproduced, in whole or in part, without the written
permission of Canon.

Third Party Software

Third-party software will be installed on the image-capture computer when the control software is being
installed by the service engineer. For details on the third-party software and its license agreements, consult
your service engineer.

2
Safety Summary
Before using this product, read this safety summary thoroughly. This information will prevent the users and
persons involved from sustaining physical harm and/or property damage.
Read the separate Operation Manual and the Digital Radiography CXDI series User’s Manual as well.

Safety Notices
The following safety notices are used to emphasize certain safety instructions. This manual uses the caution
symbol along with a caution message.

This notice is used to identify conditions under which improper use of the product
CAUTION
may cause minor personal injury.

Safety Precautions
Follow this safeguard and use the application software properly to prevent injury and equipment/data
damage.

While conducting Calibration and Performance Test

CAUTION
Be sure to confirm that there is no person in the radiology room during Calibration and Performance
Test to prevent the possibility of any persons exposing themselves to X-ray exposure.

3
 Contents
Safety Summary ............................................................................................................ 3

1 System Configurations and Requirements

1.1 Hardware configuration.......................................................................................... 8

1.2 Hardware requirements.......................................................................................... 9
1.3 Software requirements ......................................................................................... 10

2 System Setup Screen

2.1 Using the system setup screen............................................................................ 12

2.1.1 Basic operations ..................................................................................................................... 12
2.1.2 System setup option finder.................................................................................................... 14

2.2 User Administration tab........................................................................................ 16

2.3 System Settings tab .............................................................................................. 18
2.3.1 System options ....................................................................................................................... 18
2.3.2 Monitor Gamma ...................................................................................................................... 21

2.4 Customize Display tab .......................................................................................... 23

2.4.1 Information input/selection form and item display options ............................................... 23
2.4.2 Description List Items option ................................................................................................ 26
2.4.3 Toolbar options....................................................................................................................... 27

2.5 Annotation tab ....................................................................................................... 30

2.5.1 Preview Annotation tab .......................................................................................................... 30
2.5.2 Free Annotation/Laterality Marker tab ................................................................................. 32
2.5.3 Film Annotation tab ................................................................................................................ 34

2.6 Connection tab ...................................................................................................... 37

2.6.1 Storage tab.............................................................................................................................. 37
2.6.2 Printer tab................................................................................................................................ 40
2.6.3 MWL tab................................................................................................................................... 44
2.6.4 MPPS tab ................................................................................................................................. 46
2.6.5 Disk Storage tab ..................................................................................................................... 47
2.6.6 GenCom tab ............................................................................................................................ 49
2.6.7 Layout Template ..................................................................................................................... 50

4
 Contents

3 System Tools

3.1 Using the system tools ......................................................................................... 54

3.1.1 Basic operations ..................................................................................................................... 54
3.1.2 System tool option finder....................................................................................................... 55

3.2 Log Viewer ............................................................................................................. 57

3.3 Process Viewer...................................................................................................... 58
3.4 Protocol Editor ...................................................................................................... 60
3.4.1 Modifying the protocol ........................................................................................................... 60
3.4.2 Creating new protocols.......................................................................................................... 68
3.4.3 Packaging a set of protocols in a single protocol ............................................................... 70
3.4.4 Organizing the protocol trays................................................................................................ 73
3.4.5 Automatically applying protocols to a study........................................................................ 76

3.5 QC Tool .................................................................................................................. 78

3.5.1 Calibrating the detector ......................................................................................................... 78
3.5.2 Inspecting the detector (Performance Test) ........................................................................ 81
3.5.3 Inspecting the detector/power box (Self-diagnosis)........................................................... 82

3.6 Image Proc (Image Processing Adjustment) ...................................................... 85

3.7 DB Backup ............................................................................................................. 90
3.7.1 Database Backup option........................................................................................................ 90
3.7.2 Output Exam Log option ........................................................................................................ 91

Appendix

1 Imaging Parameters............................................................................. 95
1.1 Overview of Imaging Parameters ........................................................................ 95
1.2 Classification of Imaging Parameters ................................................................. 95
1.3 Access Privileges .................................................................................................. 95
1.4 How to Access Imaging Parameters ................................................................... 96

2 Saving Imaging Parameters ................................................................ 97

2.1 Adjustment and Saving of Default Parameters .................................................. 98
2.1.1 Adjustment .............................................................................................................................. 98
2.1.2 Saving ...................................................................................................................................... 98

2.2 Adjustment and Saving of Study Parameters..................................................... 98

2.2.1 Adjustment .............................................................................................................................. 98
2.2.2 Saving ...................................................................................................................................... 98

5
Contents

3 Details of Imaging Parameters............................................................ 99

3.1 Main Parameters ................................................................................................... 99
3.2 Description of Parameters ................................................................................. 100
3.3 Other Parameters................................................................................................ 106

4 Adjustment Procedure ....................................................................... 107

4.1 Default Parameters ............................................................................................. 107
4.2 Study Parameters................................................................................................ 110

5 Technical Overview of Image Processing........................................ 112

5.1 Overview of Image Processing .......................................................................... 112
5.2 Automatic Analysis.............................................................................................. 113
5.2.1 Detection of Irradiated Fields .............................................................................................. 113
5.2.2 Image Feature Analysis........................................................................................................ 114
5.2.3 Dynamic Range Analysis...................................................................................................... 115

5.3 Image Processing for Diagnosis........................................................................ 116

5.3.1 Image Tone Transformation ................................................................................................ 116
5.3.2 Dynamic Range Adjustment ................................................................................................ 117
5.3.3 Image Enhancement............................................................................................................. 119
5.3.4 Noise Reduction ................................................................................................................... 120

6 Printing IP Parameter Values on Printed Images ............................ 121

6.1 IP Parameter indication details.......................................................................... 121

7 Monitor Gamma Adjustment ............................................................. 124

Index ....................................................................................................... 128

6
1 System Configurations and
Requirements

1.1 Hardware configuration

1.2 Hardware requirements
1.3 Software requirements
1. System Configurations and Requirements

1.1 Hardware configuration

X-ray generator

X-ray I/F Box

Wireless
detector

Access point*2

Detector

Power box

Up to 4 pairs of detectors and

power boxes can be connected.

Hub*2

CXDI Control Software NE

installed image-capture
computer

Hospital network*1

*1 Consists of DICOM standard compatible equipment (HIS/RIS, PACS, printer, storage device,
etc).
*2 Recommended commercially available items

8
 1. System Configurations and Requirements

1.2 Hardware requirements

Image-capture computer
- Intel® Core™2 Duo 2.0 GHz or faster processor
- 4 GB or more of RAM
- 50 GB or more of available hard-disk space (200 GB of free space is required at
installation)

Display
- XGA (1024 ✕ 768)/SXGA (1280 ✕ 1024) resolution or higher
- WXGA++ (910 ✕ 804), WSXGA+ (1680 ✕ 1050), WUXGA (1920 ✕ 1200)
- DICOM GSDF or DICOM P-value LUT compatible
- Touch operation compatible

Video card
- Graphic board
- Screen resolution corresponding to that of the display

Ethernet
- More than 3 ports (For a detector control*1, X-ray generator control*2, and Local
Area Network)
*1 An Intel port (1000 Mbps) for a detector
*2 When using an X-ray generator communication option

Detector
- Static flat-panel detectors (Ethernet connection compatible):
CXDI-50G, CXDI-50C, CXDI-55G, CXDI-55C, CXDI-40EG, CXDI-40EC, CXDI-40G
COMPACT, CXDI-60G, CXDI-60C, CXDI-401G, CXDI-401C, CXDI-401G COMPACT,
CXDI-401C COMPACT, CXDI-501G, CXDI-501C
- Wireless flat-panel detector:
CXDI-70C Wireless, CXDI-80C Wireless
- Maximum number of detectors that can be configured: 10
- Maximum number of detectors that can be simultaneously connected: 4

UPS (Uninterruptible Power Supply) (optional)

Bar-code reader (optional)

- USB interface
- USB bus power

Magnetic card reader (optional)

NOTE: For details about hardware requirements, consult your service engineer.

9
1. System Configurations and Requirements

1.3 Software requirements

Operating System
- Microsoft Windows 7 Professional Edition (✕64)
- Microsoft Windows 7 Ultimate Edition (✕64)

Additional software
- .Net Framework 3.5 SP1 or later
- Microsoft Windows 7 Security Patch
- SQL Server 2005 Express Edition
- DirectX Runtime
- VC++ 2005 redistributable package
- VC++ 2008 redistributable package

NOTE: For details about software requirements, consult your service engineer.

10
2 System Setup Screen

2.1 Using the system setup screen

2.2 User Administration tab
2.3 System Settings tab
2.4 Customize Display tab
2.5 Annotation tab
2.6 Connection tab
2. System Setup Screen

2.1 Using the system setup screen

Fundamental system setup options (user administration, screen appearance, and so
on) are organized through the setup option tabs on the system setup screen. First
learn basic operation in 2.1.1, and then access the necessary setup options as
explained by the setup option finder in 2.1.2.

2.1.1 Basic operations

1 Show the system setup screen.

Click on the [EXAM] or [PAST] screen.

(System setup button)

[EXAM] or [PAST] screen

[Connect GEN]

Login user name

Setup option tabs

System setup screen

When [Connect GEN] appears

The image-capture computer and the X-ray generator have been functionally
disconnected. Click [Connect GEN] to resume connection.

Note: [Connect GEN] appears only when the communication with the X-ray
generating device is enabled. See 2.6.6 for details on operation.

12
 2. System Setup Screen

2 Select a setup option.

Click the target setup option tab. For the Annotation and Connection tabs, a
further click of a sub-tab is required.

NOTE: The User Administration tab is not available during examination.

To change the settings

See 2.2 through 2.6.

[Apply]

[Cancel]

[OK]

To save the changes that have been made and continue with other
settings
Click [Apply].

To save the changes and return to the previous [EXAM] or [PAST]

screen
Click [OK]. The screen shown before clicking returns.

To cancel the changes and return to the previous [EXAM] or [PAST]

screen
Click [Cancel]. The screen shown before clicking returns.

NOTE: After [Apply] is clicked, the changes cannot be canceled.

13
2. System Setup Screen

2.1.2 System setup option finder

The following system setup option tabs are available:

User Administration tab (See 2.2)

Addition, deletion, and modification of the user account

System Settings tab (See 2.3)

CXDI Control Software NE:
Software Version, Character Set, Device Info and Access
Point Setting
Screen Saver: Wait Time and Auto-Logout
Process Viewer: Refresh Interval
Stitch Setting: Show Stitch Screen automatically after ending every
Exam and Align images using markers
GUI Color Taste Selection:
Four colors are available.
Institution: Institution Name
Monitor Gamma: Confirmation of the monitor gamma adjustment using test
patterns
Study Input Type: MWL
Common Cropping Area options:
Cropping Area, Alignment Reference Area, Alignment,
and Custom Area

Customize Display tab (See 2.4)

Patient Information Display options:
Patient Name Input Form, Automatically calculate age,
Patient Info Input Mode, and Essential Input Setting
Examination Screen:
Automatic Next Protocol Selection, Input Reject Reason,
Help Display, and Measurement Object
Study Information Display Setting:
On/off setting for the title and value display, and essential
input application
Column Headers: For both the Worklist/Pending List and the Past List
Description List Items:
Description list management for Referring Physician,
Reading Physician, and Reject Reason
Protocol Settings:
Protocol Selector Default options, Body Part Search
Selector - Protocol List Display options, Automatically
apply protocol, and Show Code Meaning
Toolbar options: Customization of the toolbar (see 2.4.3)

14
 2. System Setup Screen

Annotation tab
The following sub-tabs are available.

Preview Annotation tab (See 2.5.1):

Display item layout for single view mode, Font, and font size
Free Annotation/Laterality Marker tab (See 2.5.2):
Font, font size, and Free Annotation list for free annotations
Font and font size for laterality markers
Film Annotation tab (See 2.5.3):
Embedded item layout, Font, and font size for each film/
image
(This tab is separated into Film Box Annotation and Image
Box Annotation sub-tabs in accordance with the intended
annotation object.)

Connection tab
The following sub-tabs are available.

Storage tab (See 2.6.1):

Storage selection and communication tests, Storage List
management, and Common Output Setting
Printer tab (See 2.6.2):
Printer selection, Printer List management and
communication tests, Film Output Destination, Common
Output Setting and Layout Template selection (see 2.6.7)
MWL tab (See 2.6.3):
MWL settings and communication tests, and Search
Condition settings
MPPS tab (See 2.6.4):
MPPS settings and communication tests
Disk Storage tab (See 2.6.5):
Disk Storage directory selection and Disk Storage Folder
List management
GenCom (See 2.6.6):
X-ray generator communication selection

15
2. System Setup Screen

2.2 User Administration tab

To ensure the security of personal information and enable authenticated operation, the
CXDI Control Software NE (hereinafter referred to as “Software”) provides a login
dialog box on the start screen. The User Name for the user account created with this
tab appears in the User Name selector on the start screen. A user without System
Administrations privileges can only modify his/her own user account settings.

NOTE: New user account registration requires the System Administrations privilege
(see step 2). Consult your service engineer.

User account list

[Add]

[Delete]

[Property]

The available privileges are indicated by check

marks.

[OK]

Click to cancel registration.

16
 2. System Setup Screen

1 Register an user account to the user account list.

Click [Add] to create a new user account.

To modify an existing user account

Click the target user in the user account list, and then click [Property].

2 Enter or modify the user account properties.

User Name: Identifies users.
Operator Name (for DICOM):
This entry is optional.
Change Password Information:
Select this option before entering a new password.
New Password: Enter the same password in the Retype Password
(Confirmation) field as well.
Role: Click the Role drop-down arrow, and then select options
from Administrator and Standard User. According to the
role, advanced operations are permitted. The following
privileges can be granted to a role:
System Administrations (this section),
ProtocolEdit Administrations (see 3.4),
ImageProcessing Administrations (see 2.3.2 and 3.6),
Calibration Administrations (see 3.5).

NOTE: In addition to Administrator and Standard User, the roles registered by the
service engineer can be selected. For details, consult your service engineer.
NOTE: For User Name and Operator Name options, up to 64 alphanumeric
characters can be used. For the New Password option, 4 to 64 alphanumeric
characters can be used. Avoid use of blank character at the beginning of the
name and password.
NOTE: The current login user cannot change his/her own Role option.

3 Set the user account.

Click [OK] in the Property dialog box.

To delete a user account

Click the target user in the user account list, click [Delete], and then click [OK] in
the confirmation dialog box that appears.

17
2. System Setup Screen

2.3 System Settings tab

2.3.1 System options

CXDI Control Software NE
Software Version: Shows the version of the Software.
Character Set: Shows the value of the character set for DICOM information.
Device Info: Click to show the information dialog box for a connected
detector and power box. If two or more detectors are
connected, a target detector selection is required on the
Detector Name drop-down list of the dialog box. Click [OK]
to close the dialog box.
Access Point Setting:
Shows the channel and frequency band assigned for a
wireless detector used with the Software when the wireless
detector is registered as a workspace. Two frequency bands
(2.4 GHz and 5 GHz) are available. “-” indicates that no
access point is set.

Screen Saver
Wait Time: Specify the amount of time after the last operation until the
screen saver becomes active (within a range of 1 to
60 minutes).
Auto-Logout: Select this option to automatically log out of the Software
and activate the screen saver.
This option may not be available depending on the Software
setting. Consult your service engineer for the setting.

18
 2. System Setup Screen

Process Viewer (See 3.3)

Refresh Interval: Specify the refresh interval for the process viewer (within a
range of 1 to 60 seconds).

Stitch Setting
Show Stitch Screen automatically after ending every Exam:
Select the check box to automatically show the stitch screen
when the number of images required for stitch protocol have
been captured.
Align images using markers:
Select the check box to automatically align partial images
based on the marker images. For details on manual
alignment method, refer to 8.3.1 in the Operation Manual.

GUI Color Taste Selection

Select a preferred skin among the following four options: Warm Dark or Cool
Dark when using in a dimly-lit room such as a radiology room, or Warm Light
or Cool Light when using in a well-lit room such as a hospital ward in which X-
ray exposure is available using a mobile system.

NOTE: If SI Overlap Software is used and Warm Light or Cool Dark option is
configured for GUI Color Taste Selection, screen may not be displayed
normally. In such cases, change GUI Color Taste Selection to Warm Dark or
Cool Light.

Institution
Institution Name: Enter or modify the institution name to output as a film box
annotation (see 2.5.3).

Monitor Gamma
See 2.3.2 for details.

Study Input Type

Selects the study acquisition method. Only the MWL option is available for the
current version.

Continued
19
2. System Setup Screen

Common Cropping Area options

Select a workspace from the drop-down list and click the target exposure mode
tab (Radiography or Stitch) before setting the following options.
Cropping Area: Click on the drop-down arrow, and select an option from
among Detected Irradiated Field, Custom Area, and
Effective Area.
Alignment Reference Area:
When Custom Area is selected for Cropping Area above,
click on the drop-down arrow, and select an option from
Detected Irradiated Field and Entire Effective Area. The
following Alignment option functions based on the selected
area.
Alignment: Click on the drop-down arrow, and select an option from
Top aligned, Center aligned, and Bottom aligned.
Custom Area: Specify the size of the Cropping Area above. The available
range of each input value is displayed below the text box.
The unit can be selected from among inch, mm, and pixel.

NOTE: When Common to system is selected for the Common Cropping Area in the
Protocol Workspace Settings screen (see “Protocol Workspace Settings” in
3.4.1), the setting in this screen will be applied.

20
 2. System Setup Screen

2.3.2 Monitor Gamma

To maintain a uniform screen appearance, regularly check whether the monitor
gamma is properly adjusted using the SMPTE test pattern.

1 Start monitor gamma confirmation.

Click [SMPTE].

NOTE: Operations for the Monitor Gamma option require the ImageProcessing
Administrations privilege (see step 2 in 2.2).

[SMPTE]

System Settings tab

Contrast bars

Gradation patches

5%, 95% luminance

patches

Contrast bars

[OK]

SMPTE screen

Continued
21
2. System Setup Screen

2 Check the screen appearance for the current monitor

gamma.
Check whether the monitor gamma is properly adjusted using the three kinds of
patches below.

To confirm the 5% and 95% luminance patches

Confirm that the squares inside each of the two luminance patches are clearly
and equally defined.

To confirm the gradation patches

Confirm that the gradation patches are clearly defined.

To confirm the contrast bars

Confirm that the black and white strips are clearly defined.

3 End monitor gamma confirmation.

Click [OK] to return to the System Settings tab.

NOTE: Depending on the current software configuration, users can adjust the
monitor gamma and save the adjustment result (see 7 in Appendix for
details) in addition to confirming the monitor gamma using the SMPTE test
pattern.

22
 2. System Setup Screen

2.4 Customize Display tab

Available column
headers

Click to proceed to
Customize Display
tab 2
Customize Display tab 1

2.4.1 Information input/selection form and item display

options
Patient Information Display options
Patient Name Input Form:
Select patient input from Divide Half size group into five
components (patient name text box will be divided for
family name, given name, middle name, prefix, and suffix) or
Do not divide.
Automatically calculate age:
Select the check box to calculate patient age based on the
birth date included in the patient information.
Patient Info Input Mode:
Select either Birth (uses a date of birth for the patient
information) or Age (uses an age for the patient information).

NOTE: When the Automatically calculate age check box is not selected, both Birth
and Age can be selected.

Essential Input Setting:

Select the items required for the patient information pane.
“*” appears at the left of the selected items in the patient
information pane, which indicates items that need to be
entered before an examination is started. (refer to 3.3.1 in
the Operation Manual).
Patient ID, Name, Birth (birthday), Age, Sex

NOTE: Patient ID cannot be cleared.

Continued
23
2. System Setup Screen

Examination Screen
Automatic Next Protocol Selection:
Select the check box to automatically prepare the next
available protocol for exposure. Clear the check box to
manually select the next protocol to be conducted.
Input Reject Reason:
Select the check box to require entry of a Reject Reason.
Help Display: Select the position of the help display in the image view
pane during image processing operations from among Top,
Middle, and Bottom.
Measurement Object:
Specify the details of objects embedded in measurement
mode.
Line Width (of the distance/angle object), Unit (select from
among “mm”, “cm”, and “inch”), Font (font name), and font
size (refer to 6.3 in the Operation Manual)

Study Information Display Setting

Select a Title radio button so that the selected item is displayed in the study
information pane title area. Select Display check boxes so that the selected
items are displayed in the study information pane. Select Essential Input check
boxes so that the selected items are required to be entered in the Edit Study
Information dialog box before an examination is started. The selected items are
displayed with “*” added at the left of them in that dialog box. (refer to 3.3.1 in
the Operation Manual). The available study information items are as follows:
ACC#, Referring Physician, Requesting Physician, Study Instance UID, RP
ID, RP Description, Study Description, Reading Physician, SPS ID, and SPS
Description

NOTE: The Display check box for ACC# cannot be cleared.

24
 2. System Setup Screen

Column Headers
Select Worklist (or Pending List when the MWL service is disabled) or Past
List, and then select the column headers to be displayed for the selected list.
Available column headers for each list are as follows:
Worklist: Accession No., Study DateTime (of the ordered
examination), Patient ID, Name, Study Status, Study Date,
Study Time, Sex, Birth (birthday), Height, Weight,
Referring Physician, Requesting Physician, Comment,
Number of Protocols, RP ID (requested procedure ID),
Pregnancy Status, SPS Description (scheduled procedure
step description), and RP Description (requested procedure
description)
Past List: Accession No., Study DateTime, Patient ID, Name, Birth,
Print Result, Store Result, Media Store Result, Study
Date, Study Time, Number of Images, Sex, SC (storage
commitment), Reject, and Protect

NOTE: Check boxes for Accession No., Study DateTime, Patient ID, and Name
cannot be cleared. Only for Past List, the check box for Birth cannot be
cleared as well.

[Add]

[Delete]

Text box

Click to return to
Customize Display
tab 1

Customize Display tab 2

Description List Items

See 2.4.2 for details.

Continued
25
2. System Setup Screen

Protocol Settings
Protocol Selector Default options:
Select the initial setting of protocol selection mode for
operations in the Protocol Editor screen (see 3.4.1) and Edit
Exam screen (refer to 3.2 in the Operation Manual). Search
by Category (category tray mode) and Search by Body
Part (body part search mode) are available.
Body Part Search Selector - Protocol List Display options:
Select the protocol trays enabled in body part search mode.
Frequently-used protocols, Recently-used protocols,
and Examination history are available.

NOTE: Frequently-used protocols and Recently-used protocols cannot be cleared

at the same time.

Automatically apply protocol:

Select the check box to automatically apply predetermined
protocols to the studies for which protocols have not been
set.
Show Code Meaning:
Select the check box to use Code Meaning for the protocol
title (except for protocols selected on the Edit Exam screen).

Toolbar options
See 2.4.3 for details.

2.4.2 Description List Items option

The descriptions of reject reasons as well as the names of the referring physicians and
reading physicians are preset in this option.

1 Select the target option.

Select one of the Referring Physician, Reading Physician, and Reject
Reason radio button.

2 Add a new description to the list.

Enter a new name or description in the text box, and then click [Add].

To delete an description from the list

Click a name or description in the list to select it, and then click [Delete].

26
 2. System Setup Screen

2.4.3 Toolbar options

Configurations of the toolbar buttons displayed in the [EXAM > Examination] and
[PAST > View] screens can be customized.
To customize the toolbar to adjust the display size, two types of configurations can be
registered and they can be switched with each other using [Toolbar 1] or [Toolbar 2],
located at the bottom of the toolbar. Refer to 6.1 in the Operation Manual for details.

NOTE: The toolbar in the processing parameter edit screen (see step 3 in 3.6)
cannot be customized.

1 Show the Toolbar options screen.

Click [Toolbar options].

[Toolbar options]

Customize Display tab 2

Toolbar Setting

Preview pane

Group Details
Setting

Click to cancel
modifications and
return to Customize
Display tab 2.
Toolbar options screen [OK]

Continued
27
2. System Setup Screen

2 Modify the toolbar configuration.

To show/hide buttons in groups

Use the Toolbar 1 and Toolbar 2 lists in Toolbar Setting. The results can be
checked in the Preview pane.
Select the target item check box to show its button group in the toolbar.
Clear the target item check box to hide its button group in the toolbar.
The items in the Toolbar Setting list control a button or a set of buttons as
described below:
Info: (Info)
Rotate/Flip: (Right Rotation), (Left Rotation), (Horizontal
Flip), (Vertical Flip)
Zoom in/Zoom out:
(Panning), [HQ], (Zoom In), (Zoom Out),
(Fit)
Laterality/ROI/Crop/Mask:
[L] (L Mark), [R] (R Mark), [ROI], (Crop), [Mask]
Retake/Reject: [Retake], [Reject]
Reset: [Reset]
Undo: (Undo)

To show/hide buttons individually

Use the list in Group Details Setting. Changes are reflected in both Toolbar 1
and Toolbar 2, and the results can be checked in the Preview pane.
After selecting a button group from the drop-down list, modify the configuration.
Select the target item check box to show its button in the toolbar.
Clear the target item check box to hide its button in the toolbar.

NOTE: When [Retake] is displayed, be sure that [Reject] is also displayed, or the
rejected image cannot be restored (refer to 4.3 in the Operation Manual).
NOTE: Some buttons may remain hidden depending on the specifications and
settings of the display in use or the number of buttons configured to be
shown.
Check that the bottom button is displayed on the [EXAM > Examination] or
[PAST > View] screen.

28
 2. System Setup Screen

To change the order of the button(s)

Click the target item (not the check box) to highlight it in Toolbar Setting or
Group Details Setting and click [∧] or [∨].

Selected item

[∧]/[∨]
[OK]

3 Register the modifications and return to Customize

Display tab 2.
Click [OK].

29
2. System Setup Screen

2.5 Annotation tab

2.5.1 Preview Annotation tab

Annotations superimposed on preview images are selected and arranged on the
Preview Annotation tab.

Selected position is
shown.

Font and size

option
Positions
Selected item list

[Add] [Delete]

[Blank line] [∧]/[∨]

Preview pane
Available
annotation list

Positions
[Annotation > Preview Annotation] tab

NOTE: The user can choose to have annotations always displayed on the screen,
independent of the status. For details, consult your service engineer.

1 Select the position of the annotations.

Select Top/Left, Bottom/Left, Top/Right, or Bottom/Right at the corners of
the preview pane.

2 Specify the Font and the size option.

Perform this procedure while checking the preview pane.
Click the Font drop-down arrow, and then select an option from the list.
Click the size drop-down arrow, and then select an option from the list.

30
 2. System Setup Screen

3 Reserve the target annotations for the selected position.

Select from among the available annotation list, and then click [Add]. The
selection appears in the selected item list.

Available annotations for each position (Preview Annotation tab)

Top/Left: Patient ID*, Patient Name*, Birth (birthday), Age, Sex
Bottom/Left: Acquisition Time*, Total Exposure Time*, Total DAP*
(Dose Area Product), Total Absorbed Dose*, Total Air
Kerma*, Free HDD Space*, Acquisition Date, Study
Description, Patient Orientation
Top/Right: KVP* (kilo-voltage peak), Exposure Time*, X-ray Tube
Current*, mAs*, SID (Source image receptor distance), SOD
(Source object distance)
Bottom/Right: REX* (Reached Exposure value), EI* (Exposure Index), DI*
(Deviation Index), EIt (See step 3 in 3.6 for details on EI, DI,
and EIt.)
* Shown by default.

NOTE: Because the same annotation cannot be used for two or more positions,
previously selected annotations are excluded from the available annotation
list.

To delete annotations from the selected item list

Click the target annotations to highlight them, and then click [Delete]. Clicking
on a highlighted annotation unselects it.

To add blank annotations

Click [Blank line] to add a blank annotation to the selected item list.

To show only the value without the annotation title

Clear the check box for the target annotation on the selected item list.

4 Change the order of annotations.

Click the target annotation to highlight it, and then click [∧] or [∨].

31
2. System Setup Screen

2.5.2 Free Annotation/Laterality Marker tab

In addition to the annotations preset in the Preview Annotation tab and the Film
Annotation tab, custom annotations can be created ahead of time for the Annotation
dialog box; they are embedded on both the screen preview and film sheet images
(refer to 6.4 in the Operation Manual).
Furthermore, the font type and font size of the free annotations and the laterality
marker can be selected in this tab. The position of the laterality marker can also be
specified (refer to 6.1.4 in the Operation Manual).

Free Annotation list

[Add]

[Delete]

[∧]/[∨]

Text box

[Annotation > Free Annotation/Laterality Marker] tab

1 Enter a free annotation.

Enter a free annotation in the text box, and then click [Add]. The annotation
appears in the free annotation list.

NOTE: Make sure that the length of annotations is as short as possible so that they
do not overlap each other and overflow the preview pane.

To delete annotations from the free annotation list

Click the target annotation to highlight it, and then click [Delete]. A click of a
highlighted annotation unselects it.

32
 2. System Setup Screen

2 Specify the Font and size options for free annotations.

Use the options under the Free Annotation title.
Click the Font drop-down arrow, and then select an option from the list.
Click the size drop-down arrow, and then select an option from the list.

3 Change the order of annotations in the free annotation

list.
Click the target annotation to highlight it, and then click [∧] or [∨]. The order
arranged in this tab will be reflected in the list in the Annotation dialog box.

4 Specify the Font and size options for laterality markers.

Use the options under the Laterality Marker title.
Click the Font drop-down arrow, and then select an option from the list.
Click the size drop-down arrow, and then select an option from the list.

NOTE: The marker position and embedding options are specified for each protocol.
See Laterality Marker in Protocol Settings in 3.4.1 for details.

33
2. System Setup Screen

2.5.3 Film Annotation tab

Annotations embedded on each printed image and margin on a film are selected and
arranged on the two sub-tabs under the Film Annotation tab. The annotations to be
set on the Film Box Annotation tab are applied on each film margin, and those to be
set on the Image Box Annotation tab are applied on each image.
Although the Image Box Annotation tab differs from the Film Box Annotation tab in the
position and number of available annotations, operations on these sub-tabs are the
same. In this section, the Film Box Annotation tab is used for explanation.

Image Box Annotation tab Selected position is

shown.
Film Box
Annotation tab Font and size
option

Positions
Selected item list

[Add] [Delete]

[Blank line] [∧]/[∨]

Available
Preview pane
annotation list

FreeText1/
Positions FreeText2

[Annotation > Film Annotation > Film Box Annotation] tab

1 Select the position of the annotations.

Select Top/Left, Bottom/Left, Top/Right, or Bottom/Right at the corners of
the preview pane. Additionally, Top/Center and Bottom/Center options are
available for the Film Box Annotation.

2 Specify the Font and the size option.

Perform this procedure while checking the preview pane.
Click the Font drop-down arrow, and then select an option from the list.
Click the size drop-down arrow, and then select an option from the list.

NOTE: Be sure to specify a font that matches the current language setting.
Otherwise, a font other than the selected one may be applied to preview
annotations.
NOTE: The actual size of the annotations cannot be previewed on the preview pane
of the Film Annotation tab.

34
 2. System Setup Screen

3 Reserve the target annotations for the selected position.

Select from among the available annotation list, and then click [Add]. The
selection appears in the selected item list.

To add free annotations

Enter/modify a text in the FreeText1/FreeText2 text box, select FreeText1/
FreeText2 in the available annotation list, and then click [Add].

To add blank annotations

Click [Blank line] to add a blank annotation to the selected item list.

Available annotations for each position (Film Box Annotation tab)

The following items can be embedded at all corners and Top/Center and
Bottom/Center of a film.
Patient ID*, Patient Name*, Birth (birthday), Age, Sex, Height, Weight,
Accession No., Study Date, Study Time, Study Description, Referring
Physician, Reading Physician, Operator, Institution Name*, Comment,
FreeText1, FreeText2

Available annotations for each position (Image Box Annotation tab)

The following items can be embedded at all corners of an image.
Patient ID, Patient Name, Birth (birthday), Age, Sex, Height, Weight,
Accession No., Study Date, Study Time, Study Description, Patient
Orientation, Referring Physician, Reading Physician, Operator, Institution
Name, Comment, IP Parameter, FreeText1, FreeText2, Detector Name,
Protocol Name, Body Part, View Position, Series Description, KVP*,
Exposure Time*, X-ray Tube Current*, mAs*, Series Date*, Series Time*,
Acquisition Date, Acquisition Time, Grid, Focal Spot Size, Code Meaning,
SID, SOD, Absorbed Dose*, DAP*, AirKerma*, REX, EI*, DI*, EIt
* Shown by default.

The IP Parameter option available for Image Box Annotation

If the IP Parameter option is selected, the values and options for image processing
parameters that are applied to the image will be printed on the film.
For details on the meaning of the printed values, see 6 in Appendix.

NOTE: Because the same annotation cannot be used for two or more positions,
previously selected annotations are excluded from the available annotation
list.

To delete annotations from the selected item list

Click the target annotations to highlight them, and then click [Delete]. Clicking
on a highlighted annotation unselects it.

To show only the value without the annotation title

Clear the check box for the target annotation on the selected item list.

Continued
35
2. System Setup Screen

4 Change the order of annotations.

Click the target annotation to highlight it, and then click [∧] or [∨].

36
 2. System Setup Screen

2.6 Connection tab

2.6.1 Storage tab

Storage (PACS) servers for archiving captured image data can be registered and
managed using this tab. Communication test between the Software and the storage
server can be performed using the Ping or C-ECHO command.

[Ping]

Storage server [C-ECHO]

selector

Communication
test result

Storage List

[Add]

[Delete]

[Property]

Common DICOM
output settings

1 Register a storage server in the Storage List.

Click [Add] to show the Property dialog box for registration.

Continued
37
2. System Setup Screen

To modify an existing storage server

Click the target storage server in the Storage List, and then click [Property].

Radiography Image Modality selector

Storage Commit option

Use GSPS
option Storage Commit properties

[Ping]
Communication test result

Click to cancel the operation.

[C-ECHO]
[OK]

2 Enter or modify the storage server properties.

Storage Name: Arbitrary name that identifies the storage server
Host Name: The IP address or the host name of the storage server
Port: Port number for the storage server
Called AE Title: Application entity title assigned to the storage server
necessary for DICOM communication
Radiography Image Modality:
Select the modality of the images to be transmitted to the
storage server.
Use GSPS: GSPS (Grayscale Softcopy Presentation State) service
provides consistency in the presentation of all screens and
printed images. Select this option to use the GSPS service.

To ensure image data storage using the storage commitment

function
The Software can request the storage (PACS) server to securely store the image
data. To do so, select the Storage Commit option, and then enter the properties
as in step 2 above.
After the function is enabled, when is displayed for the SC status on the
Study List in the [PAST > Past List] screen, the image data has been secured.
Note that storage commitment setting needs to be enabled on both the
Software and the destination storage server to use this function.

38
 2. System Setup Screen

SC (storage commitment) status on the Study List in the [PAST > Past List]
screen
The result for the storage commitment status can be confirmed by checking the SC
status on the Study List in the [PAST > Past List] screen. To show the SC column
header, select SC for the Past List under the Column Headers option (see 2.4.1).

To test communication between the Software and the storage

server being registered
Click [Ping] to test the TCP/IP connectivity.
Click [C-ECHO] to test the DICOM communication.
The result of the test will be shown to the right of each test button.

3 Register the storage server.

Click [OK]. If required, repeat steps 1 through 3 for another registration. Up to
five storage servers can be registered in the Storage List.

To change the order of header items in the Storage List

Drag an item and drop it in the target position.

To delete an existing storage server from the Storage List

Click the target storage server to select, and then click [Delete].

4 Select the storage server to be used.

Select the storage server selector check box, click on the drop-down arrow,
and select an option from the list (the storage servers registered in the Storage
List are listed). Up to two storage servers can be used simultaneously.

To disable the storage server in use

Clear the target storage server selector check box.

To test communication between the Software and the storage

server in use
Click [Ping] to test the TCP/IP connectivity.
Click [C-ECHO] to test the DICOM communication.
The results of both [Ping] and [C-ECHO] tests will be shown to the right of
[C-ECHO].

NOTE: If the Called AE Title or the Port setting is modified during the commitment
process, the process may fail.
NOTE: Even if some images are transmitted or an examination is in operation,
modification or deletion of the registered storage server does not affect the
current operation.

Continued
39
2. System Setup Screen

5 Modify the Common Output Setting options.

Storage Calling AE Title:
Application entity title assigned to the Software necessary
for the DICOM storage service
Commitment Calling AE Title:
Application entity title assigned to the Software necessary
for the DICOM storage commitment service
Commitment Port:
Port number for the DICOM storage commitment service

NOTE: If the Storage Calling AE Title or the Commitment Calling AE Title setting is
modified during image data transfer, the process may fail.

2.6.2 Printer tab

Printers can be registered and managed using this tab. Communication test between
the Software and the printer can be performed using the Ping or C-ECHO command.
Custom layout templates for printout image can be created. See 2.6.7 for details on
operation.

Print Output option

Printer List Film Output

Destination list

[Add] [Delete]

[Property]

Common Output
Setting

Template selector

See 2.6.7.

40
 2. System Setup Screen

1 Register a printer to the Printer List.

Click [Add] to show the Property dialog box for registration.

To modify an existing printer

Click the target printer in the Printer List, and then click [Property].

[Ping] Communication test result

[C-ECHO]

Click to cancel the operation.

[OK]

2 Enter or modify the printer properties.

Printer Name: Arbitrary name that identifies the printer
Host Name: The IP address or the host name of the printer
Port: Port number for the printer
Called AE Title: Application entity title assigned to the printer necessary for
DICOM communication

To test communication between the Software and the printer in

use
Click [Ping] to test the TCP/IP connectivity.
Click [C-ECHO] to test the DICOM communication.
The results of the test will be shown to the right of each test button.

Printer Type: Click on the drop-down arrow, and select an option from the
list. Background (specifies the color of the area outside the
cropped image from White and Black) options are available
after the Printer Type property is specified.

Continued
41
2. System Setup Screen

To confirm the Output P-Value on/off setting

When an option is selected in Printer Type, the on/off setting can be confirmed
using the Output P-Value check box.

NOTE: The preset on/off setting cannot be modified on the Software. For details,
consult your service engineer.
NOTE: Both the Illumination and Reflected ambient light options must be
specified before a printer, with the Output P-Value check box deselected, is
newly registered.

Illumination: A DICOM attribute that represents the luminance of lightbox

illuminating a piece of transmissive film, or for the case of
reflective media, the luminance obtainable from diffuse
reflection of the illumination present. When this field is left
blank, the value set on the receiving printer will be used.
Reflected ambient light:
A DICOM attribute that represents the luminance
contribution for the transmissive film image appearance due
to reflected ambient light. When this field is left blank, the
value set on the receiving printer will be used.

3 Register the printer.

Click [OK]. If required, repeat steps 1 through 3 for another registration. Up to
five printers can be registered to the Printer List.

To change the order of header items in the Printer List

Drag an item and drop it in the target position.

To delete an existing printer from the Printer List

Click the target printer to select, and then click [Delete].

NOTE: The addition and deletion of printers during image transfer does not affect
the transfer process.

4 Select a destination printer for each film setting (film size

and direction).
Click on the drop-down arrow in the Film Output Destination list, and select an
option from the list.

NOTE: The printers specified in the Film Output Destination list will output the film
selected in the Film Size and Direction options in this tab (see step 6 below)
or in the Protocol Workspace Settings screen (see 3.4.1).

42
 2. System Setup Screen

5 Modify the Common Output Setting options.

Printer Calling AE Title:
Application entity title assigned to the Software necessary
for the DICOM print service
Show the image arrangement screen at output:
Select this option to show the image arrangement screen
when clicking [End Exam]. Refer to 7.1.1 in the Operation
Manual.
Selected exposure mode to be printed automatically:
Select the Radiography check box to use the automatic
arrangement feature. Refer to 7.1.1 in the Operation Manual.

6 Set common film options.

These options will be enabled when Common to system is selected for the Film
options in the Protocol Workspace Settings screen (see 3.4.1).
Before setting the following options, click the target exposure mode tab
(Radiography or Stitch). Settings are saved for each mode.
Film Size and Direction:
Click on the drop-down arrow and select an option from the
list.
Fit option: Select a scaling option from among Fit (fit to the selected
film) and Fixed Ratio. When Fixed Ratio is selected, it is
necessary to specify the ratio in %. This setting can be
confirmed and changed in the image arrangement screen
(refer to step 3 of 7.1.1 in the Operation Manual).
Layout: Select Automatically select template depending on the
Common Cropping Size or Use specified arrangement.
When Use specified arrangement is selected, click the
template selector, click a preferred template in the pallet,
and then click [OK] in the dialog box that appears. The
selected template thumbnail appears on the selector.

Template dialog box

Template pallet

[OK]

Click to cancel selection.

Template selector

Continued
43
2. System Setup Screen

7 Enable the configured printer.

Select the Print Output check box.

To disable a printer in use

Clear the Print Output check box.

2.6.3 MWL tab

The Modality Work List (MWL) service provides central data entry (ordering and
scheduling of examinations) and management features. The HIS/RIS database server,
which provides the MWL service, can be registered using this tab. Communication
test between the Software and the database server can be performed using the Ping
or C-ECHO command.

NOTE: The MWL tab is displayed only when the MWL service is available. For
details, consult your service engineer.

Use MWL option

MWL service
properties
Search Condition

[Ping]

[C-ECHO]

Communication
test result

1 Specify a database server for the MWL service.

Select the Use MWL check box, and then enter the following properties:
Host Name: The IP address or the host name of the server
Port: Port number for the server
Called AE Title: Application entity title assigned to the server necessary for
DICOM communication
Calling AE Title: Application entity title assigned to the Software necessary
for the DICOM MWL service

44
 2. System Setup Screen

To disable the server in use

Clear the Use MWL check box.

To test communication between the Software and the server

Click [Ping] to test the TCP/IP connectivity.
Click [C-ECHO] to test the DICOM communication.
The results of both [Ping] and [C-ECHO] tests will be shown to the right of
[C-ECHO].

2 Specify preset narrowing conditions during study order

acquisition.
The narrowing conditions below are applied every time the worklist is refreshed.
Enter or select any narrowing conditions under the Search Condition title.
AE Title: Application entity title assigned to the study necessary for
DICOM communication
Station Name: An institution defined name for the modality on which the
ordered study is to be performed
Location: The location at which the ordered study is to be performed
Perform Physician:
Name of the physician scheduled to administer the ordered
study
Time Range: Relative 1 and Relative 2 refer to the period relative to the
current day or time in which the study orders are to be
conducted. Select Relative 1 (period of time by the day) or
Relative 2 (period of time by the hour), and then enter a
value for each text box. To clear the Time Range condition,
select All.
Modality: DX refers to digital X-ray radiography, and CR to computed
radiography. To cancel the condition, clear the check box.

NOTE: The Time Range and Modality options can be temporarily changed. Refer to
3.1.1 in the Operation Manual.

45
2. System Setup Screen

2.6.4 MPPS tab

The Modality Performed Procedure Step (MPPS) service provides a communication
feature between the modality and the HIS/RIS database server that exchanges the
status of ordered studies, such as in progress, completed, and so on to refresh the
related information, including the worklist. The HIS/RIS database server, which
provides the MPPS service, can be registered using this tab. Communication test
between the Software and the database can be performed using the Ping or C-ECHO
command.

NOTE: The MPPS tab is displayed only when the MPPS service is available. For
details, consult your service engineer.

Use MPPS option

MPPS service
properties
[Ping]

Communication
test result
[C-ECHO]

1 Specify a database server for the MPPS service.

Select the Use MPPS check box, and then enter the following properties:
Host Name: The IP address or the host name of the server
Port: Port number for the server
Called AE Title: Application entity title assigned to the server necessary for
DICOM communication
Calling AE Title: Application entity title assigned to the Software necessary
for the DICOM MPPS service

To disable a server in use

Clear the Use MPPS check box.

46
 2. System Setup Screen

To test communication between the Software and the server

Click [Ping] to test the TCP/IP connectivity.
Click [C-ECHO] to test the DICOM communication.
The results of both [Ping] and [C-ECHO] tests will be shown to the right of
[C-ECHO].

2.6.5 Disk Storage tab

A local disk directory of the image-capture computer can be registered using this tab,
in order to back up past image data.

Disk Storage
selector

Disk Storage Folder

List

[Add]

[Delete]

[Property]

1 Register a local disk directory to the Disk Storage Folder

List.
Click [Add] to show the Property dialog box for registration.

Continued
47
2. System Setup Screen

To modify an existing storage directory

Click the target directory in the Disk Storage Folder List, and then click
[Property].

[Browse]

Use GSPS option Click to cancel the operation and to return to the
Disk Storage tab.

[OK]
Property dialog box

2 Enter or modify the storage directory properties.

Name: Arbitrary name that identifies the directory
Path: Specifies the target directory. Click [Browse] to start
Windows Explorer and specify the directory.
Radiography Image Modality:
Select the modality that generates the images to be
transferred from among DX and CR.
Use GSPS: The GSPS (Grayscale Softcopy Presentation State) service
provides consistency in the presentation of all screens and
printed images. Select this option to use the GSPS service.

NOTE: Directories created using the [Map Network Drive] command in Windows
Explorer can also be registered as target directories.

3 Set the properties.

Click [OK]. If required, repeat steps 1 through 3 for another registration. Up to
five directories can be registered to the Disk Storage Folder List.

To change the order of header items in the Disk Storage Folder List
Drag an item and drop it in the target position.

To delete an existing directory from the Disk Storage Folder List

Click the target directory to select, and then click [Delete].

48
 2. System Setup Screen

4 Select the directory to be used.

Select the Disk Storage selector check box, click on the drop-down arrow, and
select an option from the list (the directories registered in the Disk Storage
Folder List are listed).

NOTE: When a destination directory is selected, the directory options (Local DB or

Disk storage) are displayed in the [PAST > Past List] screen (refer to 5.3 in
the Operation Manual).

To disable the directory in use

Clear the Disk Storage selector check box.

2.6.6 GenCom tab

Communication between the Software and the X-ray generating device can be set
using this tab.
Detector settings are indicated on the examination screens by the communication
(refer to 4.1 in the Operation Manual).

Communicate with
the x-ray
generating device
option

[Apply]

Click to cancel the

operation.

[OK]

1 Enable the communication with the X-ray generating

device.
Select the Communicate with the x-ray generating device check box.

To disable the communication with the X-ray generating device

Clear the Communicate with the x-ray generating device check box.

49
2. System Setup Screen

2.6.7 Layout Template

Custom templates can be created on this screen in order to arrange images on a film
sheet. Each segment in which an image is placed is called an “image box.”

1 Show the Layout Template screen.

Click [Layout Template] (see also step 5 and 6 in 2.6.2).

[Layout Template]

[Connection > Printer] tab

Thumbnails for
eight basic
templates

[New]

[Edit]

[Delete]

[Exit]

NOTE: The eight basic templates cannot be selected, modified, or deleted.

50
 2. System Setup Screen

2 Enable template edit mode.

To create a custom template

Click [New]. The basic template 1 ✕ 1 (horizontal ✕ vertical) appears in place of
the template thumbnails.

To modify an existing custom template

Click the target custom template to highlight it, and then click [Edit].

Divide Grid option

Border Width option

[Reset]

[OK]

Click to cancel the

operation.

[Divide], [Merge]

Image box

Basic template 1x1 Ex: Modify to create template

2x1

3 Select the target image box(es) to be modified.

To divide the image box

Click a single image box to highlight it in blue.
Continued
51
2. System Setup Screen

To merge the image boxes

Click the target and the neighboring image box to highlight them in blue. Note
that a third click cancels the selection.

4 Modify the image box(es).

To divide the image box

Specify the number of image boxes to be created in the target image box, and
then click [Divide]. Click on the drop-down arrow of the Divide Grid option, and
select an option from the list.
The number of horizontal divisions can be set using the left-hand drop-down
arrow, and the number of vertical divisions using the right-hand drop-down
arrow.

To merge the image boxes

Click [Merge].

To modify the border width

Click on the drop-down arrow for the Border Width option, and select an option
from the list.

To restore the original template

Click [Reset].

5 Continue modifications.
If necessary, repeat steps 2 through 4.

6 Set the newly created or modified custom template.

Click [OK]. The newly created template thumbnail is added to the list. When an
existing custom template is modified, the changes are reflected in the original
template.

To delete an existing custom template

Click the target custom template to highlight it, click [Delete] and then click [OK]
in the confirmation dialog box that appears.

7 Return to the [Connection > Printer] screen.

Click [Exit].

52
3 System Tools

3.1 Using the system tools

3.2 Log Viewer
3.3 Process Viewer
3.4 Protocol Editor
3.5 QC Tool
3.6 Image Proc (Image Processing Adjustment)
3.7 DB Backup
3. System Tools

3.1 Using the system tools

The technical system setup options (for modification of protocols, image quality
assurance, and so on) can be accessed from the system tool buttons. First learn basic
operation in 3.1.1, and then access the necessary setup options guided by the system
tool option finder in 3.1.2.

3.1.1 Basic operations

1 Show the system setup screen.

Click on the [EXAM] or [PAST] screen.

(System setup button)

[EXAM] or [PAST] screen

System tool buttons

[Cancel]

System setup screen

54
 3. System Tools

2 Access the target system setup tool.

Click the target system tool button.

NOTE: The available system tool buttons vary depending on the privileges granted
to a user (see step 2 in 2.2). [QC Tool] is disabled during examination, and
[Protocol Editor] and [Image Proc] are disabled during examination and
image review.

To use the tools

See 3.2 through 3.7.

To return to the previous [EXAM] or [PAST] screen

Click [Cancel]. The screen shown before clicking returns.

3.1.2 System tool option finder

Log Viewer button (See 3.2)

Confirmation of errors, classified in three levels; Fatal, Error, and Warning, that
occurred during operation

Process Viewer button (See 3.3)

Confirmation of the status of the data transfer process

Protocol Editor button (See 3.4)

Addition, modification, bundled selection and deletion of protocols, and
configuration of the protocol list
Protocol Settings:
Protocol Name, Comment, Exposure Protocol Code,
Laterality Marker, Body Part, Patient Orientation, View
Position, Laterality (Marker Placement, DICOM Attribute),
Default Workspace
Protocol Workspace Settings:
Grid Name, Printable area of an oversized image, Flip
and Rotate, Cropping Area Options, Cropping Area,
Alignment Reference Area, Alignment, Custom Area,
Film options, Film Size and Direction, Fit option, Layout
APR Editor: Exposure type, Source object distance(SOD), Source
imaging receptor distance(SID), Number of partial
images, APR ID

Continued
55
3. System Tools

QC Tool button (See 3.5)

Calibration: Creation of detector correction data for securing image
quality. During Calibration, X-ray exposure is required.
Performance Test:
Check of the detector and image quality. During
Performance Test, X-ray exposure is required.
Self-diagnosis: Check of the detector and image quality using test patterns
and other images. During Self-diagnosis, X-ray exposure is
not required.

Image Proc button (See 3.6)

Modification of the image processing parameters included in the protocol

DB Backup button (See 3.7)

Database Backup, Output Exam Log

Logout button (Refer to 2.2 in the Operation Manual)

Logout from the Software.

button (Refer to 2.2 in the Operation Manual)

Shutdown the image-capture computer.

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 3. System Tools

3.2 Log Viewer

To maintain the radiography system and the software in good condition, service
engineers as well as users can refer to the errors that users encountered during
operation using the Log Viewer button. The errors are classified in three levels; Fatal,
Error, and Warning, and are displayed in the error log list. For details on errors, refer to
9.1 in the Operation Manual.

Search conditions [Clear]

Column header

Error log list

[Exit]

Log Viewer

1 Narrow down the error logs.

Enter any of the following narrowing conditions. The list will be refreshed every
time any condition is entered.
DateTime: Specify the period of time in which the errors occurred by
date.
Category: Specify the levels of errors.
Error Code: Specify part of or the entire error code.
Description: Specify part of the description.

To clear the entered search conditions

Click [Clear].

2 Confirm the entire description and additional information.

Click the target error log on the list. The error log is highlighted and its entire
description and additional information are displayed in the bottom of the screen.

3 Exit the Log Viewer to return to the system setup screen.

Click [Exit].

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3. System Tools

3.3 Process Viewer

The current status and result of an image/arranged images (film sheet)/study/PPS data
transfer can be confirmed in the process viewer. Users can manually resend data that
was not transmitted and can also stop or cancel data being processed. See also 2.3
for details on the refresh interval for the process list.

Performed Procedure Step (PPS)

The data to be transmitted to the RIS database that indicates the completion of the
ordered study. This data is used for updating the worklist and so on.

[Suspended]/
Column header [In Process]

Process list

[Detail]

[Retry]

[Delete]

[Exit Process
Viewer]
Process viewer

1 Utilize the process list.

To sort the listed data

Click a sort item in the column header. To switch between ascending and
descending sort order, click the same item again.

To rearrange the order of the column header

Drag an item and drop it in the target position. The column width can be
modified by dragging the border.

Classification of processes
The following appear in the Status column;
Idling: The data is waiting to be transferred.
Processing: The data is being processed.
Sending: The data is being transferred.
Error: The data transfer failed.

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 3. System Tools

To select the target data

Click the target data to highlight it. To unselect the data, click it again.

2 Check the details of the target data.

Click the target data in the list, and then click [Detail].

To delete the target data

Click the target data, and then click [Delete].

3 Resend the target data.

Click the data with an Error indication in its Status column, and then click
[Retry].

4 Suspend target data by study.

Click the data with a Processing or Sending indication in its Status column, and
then click [Suspended].

To restart suspended process

Click the suspended data, and then click [In Process].

5 Exit the process viewer.

Click [Exit Process Viewer].

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3. System Tools

3.4 Protocol Editor

Preset protocols to be selected during an Exam preparation (refer to 3.2 in the
Operation Manual) are organized on the protocol tray and users can create and modify
study orders using the tray. When new protocols are required to suit on-site
operations, follow the steps below.

NOTE: Operations for this tool require the ProtocolEdit Administrations privileges
(see step 2 in 2.2).

3.4.1 Modifying the protocol

Protocol edit mode
section
Body part selector
Workspace edit
mode section

Frequently-used
protocols tray

Recently-used
protocols tray

[Exit]

Protocol Editor screen (body part search mode)

To exit to the Protocol Editor

Click [Exit].

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 3. System Tools

1 Select the target protocol in the protocol tray.

Click the target protocol in the Frequently-used protocols or Recently-used
protocols tray. The name and workspace of the selected protocol appear in the
protocol and workspace edit mode sections.

NOTE: Users can operate Protocol Editor in category search mode as well. For
details on protocol search mode, refer to 3.2.2 in the Operation Manual.

Name of the selected protocol

Workspace of the selected protocol

2 Modify the protocol.

Protocols in this software

A protocol has a set of basic properties that are common to the workspaces
associated with the protocol. Meanwhile, the workspace properties can differ from
each other. In this software, the protocols—there are as many as workspaces—are
organized in the protocol trays, represented as protocol buttons to enable easy
selection, and the selected buttons are also displayed in the study information pane.

To modify the protocol properties

Click [Edit] in the protocol edit mode section and modify the properties in the
Protocol Settings screen.

To modify the workspace properties

Click [Edit] in the workspace edit mode section, click [Next] in the Protocol
Settings screen, and modify the properties in the Protocol Workspace Settings
screen and the APR Editor screen. For details on each screen, see the
respective sections below.

NOTE: The Protocol Settings screens displayed by clicking [Edit] in both the protocol
edit mode and workspace edit mode sections are the same. Changes in this
screen affect all workspaces that are associated with the protocol.

Continued
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3. System Tools

Protocol edit mode section

[Edit]

Workspace edit mode

section

Exposure Protocol
Code list

[Delete]

[Add] Click to cancel the

modification.

[Next]/[OK]
[Property]

Protocol Settings screen

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 3. System Tools

Protocol Settings
Protocol Name: Arbitrary name that identifies the protocol
Comment: Arbitrary comment
Exposure Protocol Code:
See “To modify a protocol code meaning” below for details.
Laterality Marker (for L and R):
Specify the position of embedded laterality markers using [L]
and [R] on the toolbar (refer to 6.1.4 in the Operation
Manual), and the embedding option.
Click on the Position drop-down arrow, and select an option
from the list.
Options combining the vertical position (Top, Middle, or
Bottom) with the horizontal position (Left, Center, or Right)
are available (e.g. Middle-Center).
To automatically embed laterality marker(s) after every
exposure, select the Embed in the image automatically
after exposure check box.
DICOM Attributes:
The values for the following four options are transferred to
the RIS/HIS database, PACS, and so on as DICOM
attributes.
Body Part: Click on the drop-down arrow, and select an option from the
list.
Patient Orientation:
Click on the drop-down arrow, and select an option from the
list.
A (anterior), P (posterior), R (right), L (left), H (head), F (foot),
and a combination of these are available.
View Position: Click on the drop-down arrow, and select an option from the
list. Empty, AP, PA, LL, RL, RLD, LLD, RLO, and LLO are
available. This option is available when the modality type is
DX and CR.
Laterality: Select the laterality attribute from L (left body part), R (right
body part), B (left and right body parts), U (body part without
laterality attribute).
To associate the Laterality Marker option defined marker
with a DICOM attribute in the event of transfer, select the
Use Laterality Marker as the DICOM Attribute option.
Refer to 6.1.4 in the Operation Manual for details on
embedding laterality markers.
Default Workspace:
Select a target workspace from those available.

Continued
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3. System Tools

To modify a protocol code meaning

Users can describe a subtitle or alternative title of the protocol using the code
meaning. When Show Code Meaning under the Protocol Settings option (see
2.4.1) is selected, the code meaning specified below serves as the protocol
name instead of that acquired from the HIS/RIS database.
To create a new code meaning, clear any selections in the Exposure Protocol
Code list, click [Add], enter both the Code Value and Code Meaning (not
essential), and then click [OK]. Up to ten code meanings can be registered.

Exposure Protocol Code list

Code Value text box

Code Meaning text box

Click to cancel the modification.

[OK]

NOTE: The Code Meaning text box is active only when the Code Value is specified.

To modify an existing code meaning, click a target item in the Exposure Protocol
Code list and click [Property].
Modify the description in the Code Meaning text box and then click [OK].
To delete an existing code meaning, select an item in the Exposure Protocol
Code list and click [Delete].

To enter changes and return to the Protocol Editor screen

After protocol properties are modified, click [OK] in the Protocol Settings screen
(see page 62).

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 3. System Tools

Protocol Workspace Settings

NOTE: Users cannot create a workspace. Consult your service engineer.

To display the Protocol Workspace Settings screen, click [Next] in the Protocol
Settings screen.
Radiography and Stitch exposure mode tabs each have a different set of
options. Click the target exposure mode tab before configuring the options
located under the tab.

Exposure mode
tab

Template selector

Click to return to
the Protocol
Settings screen.

Click to proceed to
the APR Editor
screen.

Protocol Workspace Settings screen

NOTE: If [Next] is not displayed, click [Cancel] or [OK] to return to the Protocol
Settings screen and click [Edit] in the Workspace edit mode section (see
page 61).

Grid Name: Click on the drop-down arrow, and select an option from the
list.
Printable area of an oversized image:
Click on the drop-down arrow, and select an option from the
list (Top aligned, Center aligned, and Bottom aligned) to
specify the image box position within the oversized image.
That is to say, the image is cropped again to fit the image
box, and printed out.
Flip and Rotate (Radiography mode):
Click on the drop-down arrow, and select an option from the
list depending on the patient posture and the direction of the
detector. The image sensor dimensions (in pixels) are
indicated on the right of this option.
Cropping Area Options:
Select the cropping area applied to data transferred to
storage servers from Common to system and Specific to
protocol. The area specified in Common Cropping Area
options in the System Settings tab (see 2.3.1) will be applied
when Common to system is selected.

Continued
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3. System Tools

Cropping Area: When the above Specific to protocol option is selected,

select the cropping area that will be applied to an image
captured using the current protocol. Detected Irradiated
Field, Custom Area, and Effective Area are available.
Alignment Reference Area:
When Custom Area is selected for the Cropping Area option,
select from among Detected Irradiated Field (cropping
area position will vary depending on an irradiated field) and
Entire Effective Area (cropping area position will be
identical to all examinations as long as the Alignment option
is the same).
Alignment: Select the alignment position from among Top aligned,
Center aligned, and Bottom aligned.
Custom Area: When Custom Area is set for the Initial position, specify the
cropping area size and unit, and then select the initial
cropping area position.
Film options: Select the following three options that will be applied to an
image captured using a protocol. Common to system and
Specific to protocol are available. The settings specified in
common film options in the [Connection > Printer] tab (see
step 6 in 2.6.2) will be applied when Common to system is
selected.
Film Size and Direction:
Specify the size and direction of the film using the drop-
down list when Specific to protocol is set for the Film
options.
Fit option: Select one of the initial zooming options; Fit or Fixed Ratio.
When Fixed Ratio is selected, specify the zooming ratio in
%. These settings affect Fit Style and Zoom Ratio in the
image arrangement screen (refer to step 3 of 7.1.1 in the
Operation Manual).
Layout: Select either Automatically select template depending on
the Common Cropping Size or Use specified
arrangement.
When Use specified arrangement is selected, click the
template selector, click a preferred template in the pallet,
and then click [OK] in the dialog box that appears. The
selected template thumbnail appears on the selector (see
also step 6 in 2.6.2).

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APR Editor
To display the APR Editor screen, click [Next] in the Protocol Workspace
Settings screen.
When the anatomical program (APR) is used for the communication with the
X-ray generator, the exposure summary appears in the system status bar, and
the following properties can be confirmed.

Click to return to
the Protocol
Workspace
Settings screen.

[OK]

APR Editor screen

Exposure type: Exposure type of the currently modifying protocol

(Radiography or Stitch) is indicated. Radiography refers to
digital X-ray radiography.
Select Prolonged Exposure option to enable the prolonged
exposure feature.
Source object distance(SOD):
Enter the distance between the X-ray tube and the patient.
Source imaging receptor distance(SID):
Enter the distance between the X-ray tube and the detector.
Number of partial images:
When Stitch is set for Exposure type, the preset number of
partial images is indicated.
APR ID: The ID that is informed to the X-ray generator is indicated for
each exposure type.

3 Set the properties.

Click [OK] in the Protocol Settings screen (see page 62) or the APR Editor
screen.

4 Exit the Protocol Editor.

Click [Exit] in the Protocol Editor screen (see page 60).

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3. System Tools

3.4.2 Creating new protocols

A new protocol is created by editing an existing protocol. Be sure to select an existing
protocol with appropriate parameter configurations to use in creating the new
protocol.

1 Select an original protocol.

See step 1 in 3.4.1 for details on operation.

2 Duplicate the original protocol.

Click [Copy] in the protocol edit mode section and click [OK] in the COPY dialog
box. A new protocol, with “COPY(serial number)” added at the end of the
protocol name, appear at the end of both the frequently-used or recently-used
protocol trays.

Protocol edit mode section

[Copy]

Workspace edit mode section

Workspace label selector

[Set]

3 Modify the copy protocol to create a new protocol.

See 3.4.1 for details on operation.

4 Select a workspace label for the protocol being created.

Select an option in the workspace label selector.

NOTE: The automatically selected option in the workspace label selector indicates
the original workspace for the selected protocol.

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5 Locate the destination for the protocol being created in

the protocol tray.
Click [Set]. Body part search mode changes to category tray mode, and
available destinations indicated by blank rectangles appear in the protocol tray.
If necessary, change the tray using the category tab.

Click to cancel new

protocol
Category tabs arrangement.

Destinations

6 Arrange the protocol being created.

Click the target destination.

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3. System Tools

3.4.3 Packaging a set of protocols in a single protocol

The PrePack feature, which enables a single click selection of a set of protocols
required for a specific examination, streamlines study order creation in the radiology
room.

1 Show the PrePack dialog box to create a PrePack

protocol.
Click [Create PrePack].

[Create PrePack]

PrePack Name
text box

Packaged protocol list

PrePack dialog box

2 Label the PrePack protocol.

Enter the PrePack protocol name in the PrePack Name text box.

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3 Select target protocols from the protocol tray.

Click the target protocol in a protocol tray. Selections are added to the
packaged protocol list.

Packaged protocol list

Protocol trays

[∧]/[∨]

[Delete]

Click to cancel [Set]/[OK]

packaging.

To change the order of the protocol

Select a target protocol in the list and click [∧] or [∨].

To delete a protocol from the packaged protocol list

Select a target protocol in the list and click [Delete].

4 Locate the destination for the PrePack protocol being

created in the protocol tray.
Click [Set]. Available destinations indicated by blank rectangles appear in the
protocol tray. If necessary, change the tray using the category tab.

5 Arrange the PrePack protocol being created.

Click the target destination.

Continued
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3. System Tools

To modify an existing PrePack protocol

Select a target PrePack protocol in a protocol tray, click [Edit] to show the
PrePack dialog box, follow the above steps 2 and 3, and then click [OK] to end
modification.

NOTE: Before starting modification, it is necessary that the Protocol Editor is in

category search mode (not body part search mode). If necessary, click
[Search by Category] to change the mode.

[Edit]

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3.4.4 Organizing the protocol trays

NOTE: Before starting modification, it is necessary that the Protocol Editor is in

category search mode (not body part search mode). If necessary, click
[Search by Category] to change mode.

[Move]

[Category List] [Delete]

Protocol Editor screen (category search mode)

To delete the protocols

Select the target protocol in the tray, click [Delete], and click [OK] in the
Confirmation dialog box.

Continued
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3. System Tools

To move the protocols

Select the target protocol in the tray, click [Move], and select the destination
among available destinations indicated by blank rectangles that appear in the
protocol tray.

Category tabs

Destinations
Check box

Click to cancel
move.

NOTE: Protocols can be moved to other trays as well as the current tray. In such
cases, select the target category tab and select the target destination.

To enable/disable the protocol tray

Select (to enable) or clear (to disable) the check box on the category tab for the
target protocol tray.

NOTE: Users cannot access the protocols on the disabled tray during protocol
selection in the [EXAM > Examination] and [EXAM > Manual] screens.

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 3. System Tools

To enable tray arrangement mode

Click [Category List]. In this mode, users can rename the category tabs and
change their position. To set the modifications and exit this mode, click [OK].

[∧]/[∨]

[Rename] [OK]

Protocol Editor screen (tray arrangement mode)

To modify the category tab names

In tray arrangement mode, select the target category tab, click [Rename] to
show the Rename Tab dialog box, modify the category tab name in the text box,
and then click [OK] in the dialog box.

[Rename]

TabName text box

Click to cancel [OK]

modification.
Rename Tab dialog box

To change the order of the category tabs

Select the target category tab and click [∧] or [∨].

NOTE: The category tabs are arranged from top to bottom and left to right.

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3.4.5 Automatically applying protocols to a study

The software can be configured to apply protocols (up to 30 protocols)
automatically to a study that has no protocol when the study is acquired from
the HIS/RIS database, magnetic card, and so on. The configuration described
below can be enabled when the Automatically apply protocol option in the
Customize Display tab 2 is selected (see 2.4.1).

1 Show the AutoProto Application dialog box.

Click [AutoProto Application].

[AutoProto Application]

Protocol Editor (body part

search mode)

Selected protocol list

AutoProto Application
dialog box

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 3. System Tools

2 Select the target protocols.

Click the target protocol in the protocol tray. Selections are added to the list in
the AutoProto Application dialog box.

[∧]/[∨]

[Delete]
Click to cancel the
setting.
[OK]

To delete selected protocols

Click the target protocol in the AutoProto Application dialog box and click
[Delete].

To change the order of selected protocols

Click the target protocol in the AutoProto Application dialog box and click [∧] or
[∨].

3 Complete the setting.

Click [OK].

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3. System Tools

3.5 QC Tool
Be sure to confirm that there is no person in the radiology room during
CAUTION Calibration and Performance Test to prevent the possibility of any persons
exposing themselves to X-ray exposure.

To assure the strict image quality required for medical imaging systems, calibration
measures for the connected detector are provided for the Software.

NOTE: Use of this tool requires the Calibration Administrations privileges (see step 2
in 2.2).
NOTE: Be sure to remove the grid from the detector before conducting the following
steps.

3.5.1 Calibrating the detector

The Calibration (for the detector correction data generation) and Performance Test (for
the detector inspection) procedures are almost the same. First conduct the
Calibration, and then the Performance Test for confirmation.

NOTE: The frequency of implementation of calibrations and performance tests

differs depending on the detector type. For details, refer to the Digital
Radiography CXDI series User’s Manual.
NOTE: Screens in Calibration mode are used for the following steps.

1 Enter calibration/performance test mode and select the

target detector.
Click [Calibration] or [Performance Test], and then select a detector.

[Calibration]

[Performance Test]

Available detectors/
workspaces

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2 Start the calibration/performance test.

Click [Start].

Calibration/
performance test
type and the
number of images
to be captured

[Start]

Previous X-ray
generator
calibration/
performance test
settings

[History]

[Exit QC]
Calibration start screen

NOTE: Selection of the calibration/performance test type and the number of the
images to be captured cannot be modified. For details, consult your service
engineer.

To confirm the calibration/performance test history

Before clicking [Start], click [History]. To close the dialog box, click [OK].

Calibration history dialog box Performance Test history

[OK] dialog box [OK]

Continued
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3. System Tools

3 Start exposure.
Confirm that the indicator appears in the system status bar, and then
press and hold the exposure switch of the X-ray generator.

System status bar

Exposure
switch

Current calibration or
performance test
number/total number
of calibrations or
performance tests

Click to return to the

calibration/
performance test
start screen.

Check result list

Exposure Memo

[Next]/[End]/[Retry]

To record the exposure conditions used for the current calibration/

performance test
For further reference, enter the exposure conditions in the Exposure Memo.
These text boxes are available when all the calibrations/performance tests are
complete.

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 3. System Tools

To automatically calculate the msec/mAs value in the Exposure

Memo
Select one of the Auto (calculation) check boxes for msec (exposure time) and
mAs (current-time product) to enable the auto calculation feature.
After entering the mA (X-ray tube current) value, if one of the values for msec
and mAs is entered, the other value will automatically be calculated.

When an error occurred during calibration/performance test

Confirm the details of a calibration/performance test result in the Check result
list. After confirming the results, change the X-ray generator settings based on
the results of the failed calibration, and then click [Retry].

4 Set the detector and X-ray generator to ready status.

Click [Next].

5 Repeat calibration/performance test.

Repeat steps 3 and 4 until all the calibrations/performance tests are complete.

6 End the calibration/performance test.

Click [End].

7 Exit the QC Tool.

Click [Exit QC] in the calibration/performance test start screen.

3.5.2 Inspecting the detector (Performance Test)

A Performance Test by itself can also be conducted to maintain the detector. In
accordance with the medical site guidelines, the test should be performed on a regular
basis. If problems are detected, perform calibration. See 3.5.1 for details on operation.

NOTE: Before conducting a performance test, be sure to adjust the X-ray generator
based on the Exposure Memo data recorded during previous calibration.
NOTE: Be sure to inform your service engineer of the error code that appears during
a performance test.

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3.5.3 Inspecting the detector/power box (Self-diagnosis)

The Software inspects the connected detector/power box using test pattern images
and so on.

NOTE: The frequency of implementation of the self-diagnosis differs depending on

the detector type. For details, refer to the Digital Radiography CXDI series
User’s Manual.
NOTE: Be sure to inform your service engineer of the error code that appears during
a self-diagnosis.

1 Enter Self-diagnosis mode and select the target

workspace.
Click [Self-diagnosis], and then select a workspace.

Available
workspaces

[Self-diagnosis]

The connection with

the detector is
incomplete, or the
power box is turned off.

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NOTE: A battery indicator and a signal strength indicator are shown on the
workspace for wireless detectors. For the wireless detector, refer to the
Digital Radiography CXDI series User’s Manual.
Example of workspace indicator for wireless detectors

Battery indicator Signal strength indicator

: 60–100% charge : Strong
: 9–59% : Medium

: 5–8%* : Poor
: No signal
: 4% or less*

* When the indication changes to or , a warning/error dialog box appears

to prompt a battery recharge.

2 Start the self-diagnosis.

Click [Start]. The Software starts self-diagnosis, and the results appear in the
Results list.

Test type

Results list

[Start]

[History]

[Exit QC]

Self-diagnosis start screen

NOTE: Selection of the test type cannot be modified. For details, consult your
service engineer.

Continued
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3. System Tools

To confirm the self-diagnosis history

Before clicking [Start], click [History]. To close the dialog box, click [OK].

[OK]

3 Exit the QC Tool.

Click [Exit QC] in the Self-diagnosis start screen.

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3.6 Image Proc (Image Processing Adjustment)

Image processing parameters included in the protocol can be modified while
simulating the processing parameter settings using the sample image that was
previously captured.

NOTE: Use of this tool requires the ImageProcessing Administrations privileges (see
step 2 in 2.2).

1 Select the target protocol.

Click the target protocol in the Frequently-used protocols or Recently-used
protocols tray and click [Edit Radiography] or [Edit Stitch] depending on the
selected protocol.

[Edit Radiography]/
[Edit Stitch]

Protocol selection
screen

Name of the
selected protocol/
workspace

[Exit]

Another protocol selection method is available. Refer to 3.2.2 in the Operation

Manual.

Continued
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3. System Tools

2 Select a target sample image.

Select a sample image from the list while checking the preview thumbnail, and
then click [Next].

NOTE: Up to 100 of the most recent images can be available for simulations.

If a sample image is not required

Select the No Reference Image option, and then click [Next].

Target exposure
type
Target protocol
Narrowing name and
conditions workspace

Column header
Preview thumbnail
Sample image list

No Reference Image
option

[Next]
Sample image selection screen
Click to cancel the operation and
return to the protocol selection screen.

To change the narrowing conditions for the sample image list

Select one of the following options; Selected protocol only (shows only
images captured using the same protocols as the target protocol), Similar
anatomical parts (shows only images captured using protocols whose
anatomical parts are similar to the target protocol), and All Images (all available
images).

To sort the sample image

Click a sort item in the column header. To switch between ascending and
descending sort order, click the same item again.

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3 Modify the image processing parameters.

Refer to 6.2, and 7.3 in the Operation Manual for details on operation.

To set the EIt value

Enter a value in the EIt text box referring to the current EI value. If the text box is
left blank, DI cannot be calculated.

NOTE: The values of EI, EIt, and DI can be embedded on both the preview screen
and film sheet images. See 2.5 for details on operation.

EI (Exposure Index)
EI is an approximative indicator of the dose that reaches the detector, as calculated
per IEC 62494-1 standards from the captured images.
Under the same exposure conditions, the indicator and the dose are proportional.
Depending on the exposure conditions, the indicator may vary on a 10 percent basis
up to several 100 percent larger. For details, refer to IEC 62494-1.

EIt (Target Exposure Index)

EIt is the target EI level. Set the appropriate EIt using EI obtained from previous
captured radiographic images as feedback.

DI (Deviation Index)
DI is a logarithmic index indicating the difference between the EI and EIt. When the EI
value is the same as EIt, the DI is calculated as 0. The bigger the difference between
EI and EIt, the larger the DI absolute value becomes. A positive DI value is calculated
when EI is bigger than EIt, and a negative value is calculated when EI is smaller than
EIt.

(Arrangement)
EIt text box

(Output settings)

EI value
Toolbar

Image Processing
dialog box

Click to cancel the

operation and return
to the sample image
selection screen. Click to cancel the
operation and
return to the
protocol selection
Processing parameter edit screen screen.
[OK]

Continued
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3. System Tools

NOTE: The result of the Grid Suppression control is not reflected in the preview
image. However, the result can be confirmed solely in the printed image. If
required, proceed to step 4.
NOTE: The result of the Peripheral Mask control is not reflected in the preview
image. However, the Peripheral Mask result can be confirmed in the [EXAM >
Examination] or [PAST > View] screen. Refer to Chapter 5 in the Operation
Manual.

4 Transfer the resulting image, if required.

Click , select the destination, and then click [Send Image].
Refer to 7.2 in the Operation Manual for details on operation.

Saving or printing the resulting images for strict image evaluation

To evaluate the resulting image quality, it is recommended to check the images on the
DICOM viewer or on printed film sheet. In such cases, the Patient ID and Series
Description options are provided in the Output Settings dialog box. For example, enter
a title that indicates that the image is not for examination in the Patient ID text box,
and also enter a summary of the parameter modifications in the Series Description text
box.

Patient ID text box

Series Description text box

Click to cancel the operation.

[Send Image]

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When the image arrangement screen appears

Refer to “7.1.1 Arranging images automatically” in the Operation Manual.

5 Set image processing parameter.

Click [OK] in the processing parameter edit screen.

6 Exit image processing parameter edit mode.

Click [Exit] in the protocol selection screen.

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3. System Tools

3.7 DB Backup
On the Backup screen, all of the Software databases or specific examination
information can be manually backed up to a preset destination directory. Be sure to
back up the database before performing any major modification of the Software.

NOTE: Users cannot change the destination directories for both options. For details,
consult your service engineer.

Destination Destination
directory for the directory for the
Software examination
databases information

[Execution]

[Exit]

To exit backup mode

Click [Exit].

3.7.1 Database Backup option

1 Check the status of current processes.

Make sure that no Idling, Processing, or Sending status process is listed in the
Process Viewer (see 3.1.1 and 3.3).

Note: Data being transferred cannot be backed up properly.

2 Perform backup for all of the Software databases.

Click [Execution] for this option.

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 3. System Tools

3.7.2 Output Exam Log option

The following information can be backed up in a CSV format file: Image capture date,
image capture time, accession number, exposure mode, protocol name, body part,
patient orientation, operator name, image rejection date, image rejection time, reason
for image rejection, and name of operator who rejected the image.

1 Specify target examinations by period of time.

Enter the year, month, and date for both the Start Date and End Date option.

NOTE: When the Start Date and End Date are not specified, log data of all
examinations are output.

2 Perform backup for the examination information.

Click [Execution] for this option.

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92
Appendix

1 Imaging Parameters
2 Saving Imaging Parameters
3 Details of Imaging Parameters
4 Adjustment Procedure
5 Technical Overview of Image Processing
6 Printing IP Parameter Values on Printed Images
7 Monitor Gamma Adjustment
Appendix

Introduction
This appendix gives instructions for user adjustment to imaging parameters for captured images from Canon
digital radiography system CXDI series and CXDI Control Software NE (hereafter “the Software”) systems.
For details on operating procedure, refer to the chapter 1 through 3 of this Setup Guide and the separate
Operation Manual. The Software includes image processing functions to produce optimal images. Site-
specific adjustments are made during installation by service engineers.
For questions or technical issues when using imaging parameters to adjust captured images, contact your
service engineer.

NOTE: Before adjusting imaging parameters, calibrate the output devices, such as local preview monitors,
PACS, HD DICOM monitors, and film printers, to ensure consistent image appearance. Insufficient
calibration will make adjustment of interrelated imaging parameters complex and prevent optimal
image quality from being obtained easily.
NOTE: If you find undesirable artifacts on adjusted images or realize any loss of details necessary for
diagnosis, attenuate the effect of adjustments or cancel them. Be sure to check that the adjusted
images are acceptable.

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 Appendix

1 Imaging Parameters
1.1 Overview of Imaging Parameters
The Software incorporates a variety of image processing to enable consistently
optimal imaging.
Settings have already been configured to leverage this processing for optimal
rendering (in each study, each anatomical part, and each patient). It is also possible to
fine-tune imaging by altering the intensity or level of processing through customization
of imaging parameters.

1.2 Classification of Imaging Parameters

Imaging parameters are classified into three levels (1–3).
Level 1: General imaging parameters that are occasionally applied to specific
patients.
Level 2: Imaging parameters that are rarely applied to specific patients.
In general, there is no need to adjust these parameters.
Level 3: Global parameters, not restricted to specific patients.

1.3 Access Privileges

Whether or not users can access imaging parameters depends on two levels of
authorization, based on their image processing privileges. In this appendix, users
authorized for advanced adjustment of image processing parameters are called
imaging administrators. Users without this authorization are simply called regular
users.
Regular users:
Users who can edit level 1 parameters.
Imaging administrators:
Administrators who can edit all parameters (levels 1–3).
However, regular user privileges (for level 1 image adjustment) are sufficient in most
workflows. When regular users attempt to access level 2 or 3 image adjustment
parameters, the Authorization dialog box appears indicating insufficient privileges.

When the Authorization dialog box appears

Entering the login name and password of a user with higher-level authorization in this
dialog box grants provisional access to level 2 and 3 parameters.
This provisional access is valid only until the current study is finished. After the current
study, even if users attempt to access level 2 or 3 parameters for multiple studies of
the same patient, the login name and password of an imaging administrator is
required.

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Appendix

1.4 How to Access Imaging Parameters

To access level 2 parameters, click indicator 2 in the access level selector/indicator in
the Image Processing pane. To access level 3 parameters, when level 2 parameters
are displayed, click indicator 3 in the access level selector/indicator.

Access level selector/indicators

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 Appendix

2 Saving Imaging Parameters

This chapter gives overview of saving imaging parameters. Parameters are saved per-
protocol basis* and per-study basis.
The categories, parameters (functions), and levels of image adjustment are as follows.
The table also indicates whether adjusted parameters can be saved as the default
parameters. See also 2.1 Adjustment and Saving of Default Parameters.
* Default (per-protocol basis) parameters are automatically applied to the captured
images as default setting.
Level Can be
Category Parameter Saved as
1 2 3 Defaults
Right Rotation ✓ ✓ ✓ Yes
Left Rotation ✓ ✓ ✓ Yes
Generals
Horizontal Flip ✓ ✓ ✓ Yes
Vertical Flip ✓ ✓ ✓ Yes
Dynamic range ✓ ✓ ✓ No
Analysis
ROI ✓ ✓ ✓ No
Category ✓ Yes
Anatomical Part Anatomical Part ✓ Yes
Direction ✓ Yes
Curve Shape ✓ Yes
Brightness Adjustment ✓ Yes
REX*1 ✓ Yes
LUT Base Brightness*2 ✓ Yes
Base Contrast ✓ Yes
Brightness ✓ ✓ ✓ No
Contrast ✓ ✓ ✓ No
Edge Enhancement ✓ ✓ Yes
Enhancement*2 Edge Frequency ✓ Yes
Contrast Boost ✓ ✓ Yes
Dynamic Range Dark Region ✓ ✓ Yes
Adjustment*2 Bright Region ✓ ✓ Yes
Noise Reduction*2 Effect ✓ ✓ Yes
Grid Suppression ✓ Yes
Grid Suppression
Grid Name ✓ Yes
Sharpness Adjustment*3 Effect ✓ Yes
Peripheral Mask Mask ✓ Yes
*1 Only when REX is selected for Brightness Adjustment
*2 Only when Auto is selected for Brightness Adjustment
*3 Only when Radiography is selected for the exposure mode

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Appendix

2.1 Adjustment and Saving of Default Parameters

2.1.1 Adjustment
Among default imaging parameters, level 3 parameters are global and not restricted to
specific patients. When configuring these parameters, use values that represent the
optimal average values across multiple subjects. The adjustment procedure is
described in the next chapter.

Interfaces enabling editing of default parameters

Interface Adjustment Scenario Notes
Image Proc Adjustment after specifying a The protocol name must be
button protocol known in advance.
EXAM tab Adjustment during a study
Parameters are saved during level
Adjustment after selecting a 3 adjustment by clicking [Save As
PAST tab patient who has already been Default].
imaged
For details on the Image Proc button, see Chapter 3.1 and 3.6 of this Setup Guide.

2.1.2 Saving
Default parameters can be saved on a per-protocol basis. These parameters can be
edited in the above three interfaces, but saving requires imaging administrator
privileges. Default parameters cannot be saved with regular user privileges.

2.2 Adjustment and Saving of Study Parameters

2.2.1 Adjustment
Essentially, adjustment is only possible for level 1 imaging parameters. However, if
additional fine-tuning is desired, adjust level 2 imaging parameters. Adjustment of
level 3 imaging parameters is not necessary. The adjustment procedure is described in
the next chapter.

Interfaces enabling editing of study parameters

Interface Adjustment Scenario Notes
Adjustment immediately after
EXAM tab -
image capture
Adjustment after a study is
PAST tab -
finished

2.2.2 Saving
Study parameters can be saved, as needed. These parameters can be edited in the
above two interfaces and be saved with regular user privileges. The same applies to
users with imaging administrator privileges.

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3 Details of Imaging Parameters

This chapter gives explanations of each parameter function and operating procedures
for these parameters.

NOTE: If you find undesirable artifacts on adjusted images or realize any loss of
details necessary for diagnosis, attenuate the effect of adjustments or cancel
them. Be sure to check that the adjusted images are acceptable.
NOTE: To confirm the results of effects in the imaging parameters, check images
after transfer to storage or output to film.

3.1 Main Parameters

The number of parameters varies depending on the Brightness Adjustment setting.
Two Brightness Adjustment settings are available: Auto and REX.

NOTE: Auto: Mode for automatic tone curve adjustment, for uniform brightness in
the region of examination regardless of X-ray dose
REX: Mode for tone curve adjustment to change brightness of the region of
examination based on X-ray dose

Top screen of Image Processing pane*

1) 1)
2-A) 2-B)
3) 6)
4) 7)
5) 8)
6)
7)
8) REX Mode

Click a category to access

image adjustment parameters
Auto Mode based on user privileges.

* This pane appears in [EXAM > Examination] and [Past > View] screens.

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Appendix

3.2 Description of Parameters

1) Anatomical Part
Functions for automatic adjustment of image tone after exposure. Complete the
Anatomical Part and Direction settings according to study objectives and the
anatomical part involved. For example, specify Chest in Anatomical Part for automatic
tone adjustment after exposure suited to chest diagnosis.

Category and Anatomical Part

The anatomical parts are categorized as follows;
Category Anatomical Part
Upper Gastrointestinal
Lower Gastrointestinal
Contrast-Medium Hepato Billiary Pancreatic
Urinary
Myelo
Skull
Ear
Skull Nose Sinus
Nose
Mandible
Chest
Child Chest
Chest/Abdomen
Infant Chest
Abdomen
Cervical Spine
Spine Thoracic Spine
Lumbar Spine
Clavicle
Shoulder
Rib Cage Scapula
Rib
Sternum

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 Appendix

Category Anatomical Part

Pelvis
Sacrum
Pelvis Ilium
Coccyx
Pubis
Humerus
Elbow
Upper-Extremity Forearm
Wrist
Hand
Hip Joint
Femur
Knee
Lower-Extremity
Leg
Ankle
Foot
Other Unknown
Whole Spine
Stitch* Full Leg
Unknown
* Only for stitching protocol

Direction
Imaging directions (orientations) are as follows;
Front
Lateral
Other

Continued
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Appendix

2-A) LUT (Auto mode)

Adjusts tone curve parameters.

Curve Shape
Specify the tone curve. Select one of the following four tone curves
SA: S-shaped tone curve equivalent to standard radiographic film
SB: S-shaped tone curve with higher contrast in bright regions
SC: S-shaped tone curve with higher contrast in dark regions
LN: Uniform contrast throughout all brightnesses

Brightness Adjustment
Select Auto.
In Auto mode, the tone curve will automatically be adjusted so that the brightness of
the overall examination region of all images will be almost the same regardless of the
X-ray dose.

Base Brightness (1 to 29)

Specify the standard brightness.
Set the value higher for brighter images. Conversely, set it lower for darker images.
Choose values that represent optimal average values across multiple subjects.

Base Contrast (1 to 29)

Specify the standard contrast.
Set the value higher for more overall contrast. Conversely, set it lower for less contrast
overall.
Choose values that represent optimal average values across multiple subjects.

Brightness (-10 to +10)

Used to fine-tune brightness. Adjust the brightness in a range of -10 to +10 relative to
the Base Brightness value.
Set the value higher for brighter images. Conversely, set it lower for darker images.
The supported adjustment range depends on the Base Brightness value. In some
cases, the range may be narrower than -10 to +10.

Contrast (-10 to +10)

Used to fine-tune contrast. Adjust the contrast in a range of -10 to +10 relative to the
Base Contrast value.
Set the value higher for more overall contrast. Conversely, set it lower for less contrast
overall.
The supported adjustment range depends on the Base Contrast value. In some cases,
the range may be narrower than -10 to +10.

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 Appendix

2-B) LUT (REX mode)

Adjusts tone curve parameters.

NOTE: REX mode is used for manual studies (when the X-ray dose was intentionally
controlled to achieve a specific image brightness) or in follow-up exams
when imaging is based on film density*¹, for example.
*¹ Or on brightness, in display-based diagnosis.

Curve Shape
See 2-A) LUT (Auto mode).

Brightness Adjustment
Select REX.
In REX mode, the brightness of the overall examination region of an image varies
depending on the X-ray dose (images are darker at higher X-ray doses and brighter at
lower doses).

REX (0 to 65535)
Specify the standard brightness in REX mode.
Set the value higher for brighter images. Conversely, set it lower for darker images.

NOTE: The REX (Reached Exposure Index) value is equivalent to that of the output
from the image sensor pixels that are included in a region, where the
referential density of 0.75D is applied, in a diagnostic image captured using
the CXDI system.
If the applied imaging parameters are the same in Auto mode, the REX value
varies depending on the X-ray dose that reaches the image sensor, and
provides an indication of the X-ray dose radiated from the generator.

Base Contrast (1 to 29)

See 2-A) LUT (Auto mode).

Brightness (-10 to +5)

Used to fine-tune brightness. Adjust the brightness in a range of –10 to +5 relative to
the Base Brightness.
Set the value higher for brighter images. Conversely, set it lower for darker images.

Contrast (-10 to +10)

See 2-A) LUT (Auto mode).

Continued
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Appendix

3) Enhancement
Adjusts image enhancement parameters.

Select the check box to activate enhancement. The following three parameters are
available.

Edge Enhancement (0 to 20)

Set the value higher to emphasize image edges, making images sharper.

Edge Frequency (1 to 7)
Adjust the frequency range for edge enhancement.
Set the value lower for edge enhancement in low-frequency regions. This is suitable
for large structures such as organs and bones.
Set the value higher for edge enhancement in high-frequency regions. This is suitable
when imaging blood vessels, trabecular bones, or other small structures.

Contrast Boost (0 to 20)

Set the value higher to enhance local contrast. This increases sharpness in thicker
areas of the body, as in trunk imaging.

4) Dynamic Range Adjustment

Adjusts the dynamic range adjustment parameters.

Select the Dark Region check box to activate dynamic range adjustment of dark
regions. Conversely, select Bright Region to activate dynamic range adjustment of
bright regions.

Dark Region (1 to 20)

Set the value higher to brighten dark image areas. If dark image areas are too dark,
increase the value. If they are too bright, decrease the value.

Bright Region (1 to 20)

Set the value higher to darken bright image areas. If bright image areas are too bright,
use a large value. If they are too dark, use a low value.

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5) Noise Reduction (1 to 10)

Reduces graininess in image areas of low X-ray exposure.

Select the check box to activate noise reduction. Set the value higher to reduce
graininess. However, images will be somewhat less sharp.

6) Grid Suppression (On/Off)

Reduces the appearance of grid lines in captured images.

When this check box is selected, grid suppression is applied to images at the time of
transfer to storage or film output. If a grid other than the one set at the parameter
configuration is used, select the check box to activate grid suppression, and then the
name of the grid that is attached.

NOTE: In order to check the effect of this image processing, examine images
transferred to storage or output to film. Results of grid suppression cannot
be seen in images as displayed.

7) Sharpness Adjustment (1 to 3)
Increases the sharpness of the image by eliminating blurring.

Select the check box to activate sharpness adjustment. Set the value higher to
increase sharpness.

8) Peripheral Mask (On/Off)

Peripheral masking is a function to conceal areas outside the region of examination.

When this check box is selected, the masking effect is applied to a captured image.
Refer to 6.1.7 in the Operation Manual.

NOTE: The masking is not applied to images shown in the preview image on the
processing parameter edit screen during modification of a protocol (see 3.6
in this Setup Guide). Masking is translucent on EXAM and PAST screens. At
the time of output, an opaque black mask conceals peripheral images.

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3.3 Other Parameters

Dynamic range
In the figure, the subject’s dynamic range is bounded by shadow/highlight adjustment
sliders. However, because the optimal dynamic range is normally set after automatic
analysis, avoid moving the sliders. Note that these sliders cannot be used while the
color is brown.

Shadow adjustment slider

Histogram
Highlight adjustment slider

Determining if the Dynamic Range is Suitable

Examine both the image preview and the histogram to determine suitability. Determine
the exact histogram range that corresponds to the subject’s dynamic range. This
range does not include peripheral areas, metal objects, or blank, transparent areas.
Accurate judgment requires some experience. For function details, see 5.2.3 Dynamic
Range Analysis and 5.3.2 Dynamic Range Adjustment in this appendix.

ROI
For specifying the region of interest. If there are overexposed highlights or
underexposed shadows, click this button and specify the ROI.

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4 Adjustment Procedure
This chapter gives instructions for adjusting exposure images through various
parameters. Before adjusting imaging parameters, calibrate the output devices, such
as local preview monitors, PACS, HD DICOM monitors, and film printers, to ensure
consistent image appearance. Insufficient calibration will make adjustment of
interrelated imaging parameters complex and prevent optimal image quality from
being obtained easily.

NOTE: If you find undesirable artifacts on adjusted images or realize any loss of
details necessary for diagnosis, attenuate the effect of adjustments or cancel
them. Be sure to check that the adjusted images are acceptable.

4.1 Default Parameters

For image adjustment involving default parameters, perform adjustment on multiple
exposure images of various physiques and specify the average values as default
parameters.
The process first involves refinement of the overall/bright area/dark area image
appearance by adjusting the tone curve and dynamic range, followed by refinement of
image details by adjusting noise reduction and image enhancement.
Figure 4.1 presents a flowchart of the procedure for adjusting default parameters.
Table 4.1 describes each step in this process.

Continued
107
Appendix

START

1) Select an image for adjustment

2) Deactivate Enhancement, Dynamic Range Adjustment, and Noise Reduction.

3) Set the LUT/tone curve: LUT > Curve Shape

4) Adjust ROI brightness: LUT > Base Brightness

5) Adjust ROI contrast: LUT > Base Contrast

If dark regions are too dark

6) Adjust dark regions:

Dynamic Range Adjustment > Dark Region

If bright regions are too bright

7) Adjust bright regions:

Dynamic Range Adjustment > Bright Region

If the brightness of dark or bright regions

is still unacceptable
If there is undesirable graininess

8) Adjust noise reduction: Noise Reduction > Effect

If images are blurry

9) Set the edge frequency for enhancement:

Enhancement > Edge Frequency

10) Adjust sharpness:

Enhancement > Edge Enhancement

If local contrast is insufficient

11) Adjust local contrast:

Enhancement > Contrast Boost

END

Figure 4.1. Flowchart of the Adjustment Procedure for Default Parameters

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 Appendix

No. Description
Select images for parameter adjustment.
1)
At this time, avoid images for which automatic analysis failed.
Deactivate image enhancement, dynamic range adjustment, and noise
2)
reduction.
Adjust tone curve parameters (curve shape, base brightness, and base
contrast).
At this time, adjust the settings for optimal ROI brightness and local
3) to 5) contrast. Note that you can specify a high value in the base contrast
parameter, even if this causes underexposed shadows in dark areas
and overexposed highlights in bright areas. You can correct this later by
adjusting the dynamic range.
If dark areas are too dark compared to the brightness of the ROI,
6)
activate dark region control and adjust the value.
Similarly, if bright areas are too bright compared to the brightness of the
7)
ROI, activate bright region control and adjust the value.
If the base contrast parameter is set too high relative to the image’s
dynamic range, steps 6) and 7) may not be effective in achieving optimal
brightness in dark and bright areas. In this case, set the base contrast
5) to 7)
parameter lower and repeat steps 6) and 7). If the base contrast
parameter is set low, local contrast of the ROI will be low, but you can
correct local contrast later in the enhancement parameter.
Check image areas of low X-ray exposure. If there is undesirable
graininess, activate noise reduction and adjust the value. Note that it
8) may be difficult to verify effect processing on local computers used for
previewing images. Refer to a printed film image or HD DICOM monitor
to verify effect processing as you adjust the parameters.
Check image sharpness. If images are blurry, activate enhancement
and edge frequency and adjust the value. Note that it may be difficult to
9) and 10) verify effect processing on local computers used for previewing images.
Refer to a printed film image or HD DICOM monitor to verify effect
processing as you adjust the parameters.
Check the local contrast of images. If contrast is too low, activate
11)
contrast boost and adjust the value.
Table 4.1. Flowchart Description for Default Parameters

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Appendix

4.2 Study Parameters

Image quality is automatically optimized to account for individual variation in X-ray
dose, physique, and other factors. For this reason, no fine-tuning of parameters is
generally necessary. However, the effect of tone curve and dynamic range adjustment
will be inconsistent if automatic analysis fails, and in this case, the parameters must
be fine-tuned.

NOTE: Enhancement and noise reduction parameters, on the other hand, need not
be adjusted after default parameters are determined because the results of
automatic analysis are not applicable to this image processing.

Figure 4.2 presents a flowchart of the procedure for fine-tuning study parameters. This
procedure involves changing tone curves and dynamic range to adjust the brightness.
Table 4.2 describes each step in this process.

START

If ROI brightness differs greatly from base brightness

1) Adjust ROI brightness: [ROI] of the toolbar

To fine-tune ROI brightness

2) Adjust ROI brightness: LUT > Brightness

To adjust ROI contrast

3) Adjust ROI contrast: LUT > Contrast

To adjust brightness of dark regions

4) Adjust dark regions:

Dynamic Range Adjustment > Dark Region

To adjust brightness of bright regions

5) Adjust bright regions:

Dynamic Range Adjustment > Bright Region

END

Figure 4.2. Flowchart of Adjustment Procedure for Study Parameters

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 Appendix

No. Description
Automatic analysis may fail if the ROI brightness differs significantly from the
1) base brightness, or if there are overexposed highlights or underexposed
shadows. Adjust the ROI image manually to make sure it is suitable.
To fine-tune ROI brightness, adjust the brightness parameter of tone curves.
2) Correct inconsistent automatic analysis of patients, and fine-tune ROI
adjustment results as needed.
To change local contrast in the ROI, adjust the contrast parameter of tone
3)
curves.
If dark areas are too dark relative to ROI brightness, use a higher value for
4) dark region control. If areas are too bright, on the other hand, reduce the
value.
If bright areas are too bright relative to ROI brightness, use a higher value for
5) bright region control. If areas are too dark, on the other hand, reduce the
value.
Table 4.2. Adjustment Flowchart Description for Study Parameters

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5 Technical Overview of Image Processing

This chapter presents a technical overview for users of image processing by the
Software.

5.1 Overview of Image Processing

Image processing by the Software can be broadly classified into three stages of image
processing: pre-processing, automatic analysis, and processing images for use in
diagnosis as shown in Figure 5.1. In each case, after conversion to digital signals,
image from the FPD (at this point, the images are referred to as “raw image.”*¹) is pre-
processed for uniformity. After pre-processing (at which point images are referred to
as “pre-processed image”), automatic analysis is conducted to determine image
features or characteristics. This is followed by processing to prepare images suitable
for diagnosis. At this stage of image processing, multiple imaging parameters*² can be
adjusted interactively to provide diagnosis images tailored to a variety of
requirements. Also at this stage, the results of analysis are applied in optimal image
processing for the X-ray dose and patient physique involved.
*¹ Raw images produced by the LANMIT system are irrelevant to end users.
*² Details on configurable parameters are given in 3 Details of Imaging Parameters.

Raw Image
(Images from the FPD )

Pre-processing

Pre-processed Image

Automatic Analysis

Image Processing for

Diagnosis
Diagnosis Image

Image Display Device Storage

Figure 5.1. Image Processing Sequence

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 Appendix

5.2 Automatic Analysis

Images produced by the digital radiography system CXDI series and the Software
have a wide dynamic range (extending to about four digits). For this reason, automatic
analysis must be conducted to determine which part of the dynamic range will be
useful in diagnosis and adjust the density (brightness) accordingly to prepare effective
images for diagnosis. Automatic analysis must also detect what image areas were
exposed to X-rays, because the area of exposure varies by study. Another role of the
Software in automatic analysis is to calculate the Reached Exposure index and
analyze a variety of image characteristics in other ways. This section describes the
typical process of automatic analysis.

5.2.1 Detection of Irradiated Fields

Although the CXDI detector has a large effective area, the actual exposure area may
be limited to an area smaller than this, depending on the study. The area is therefore
detected automatically, by isolating the irradiated field. A schematic diagram of
detection is shown in Figure 5.2. To detect this area, original, pre-processed images
are analyzed to extract the edges of the irradiated field from multiple edge
components in the image based on position, intensity, and other criteria. The area
bounded by these edges is determined to be the area of exposure. Although this
technique enables accurate detection of irradiated fields even when X-rays strike the
detector at an angle, it cannot be used to detect multiple exposure areas.

Cropped

Source Image Edges Edges of

Extracted Exposure Area
Extracted

Masked
Figure 5.2. Schematic diagram of detection of irradiated fields
Operators can save time in imaging setup and improve throughput by using the area
detected as the initial value in cropping and peripheral masking (which masks areas
outside the field).
If detection fails, the area for cropping and peripheral masking must be set manually.
For details on cropping and peripheral masking, refer to 6.1.6 and 6.1.7 in the
separate Operation Manual.

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5.2.2 Image Feature Analysis

Generally consistent density (brightness) in the region of interest (ROI) is maintained
for all subjects and X-ray doses by the Software through tone conversion*3. This
processing requires a representative pixel value (the “reference pixel value”) of the ROI
to be determined from captured images. The reference pixel value is calculated
automatically through image feature analysis. A schematic diagram of analysis is
shown in Figure 5.3 and Figure 5.4. Because the reference pixel value sought varies
depending on the anatomical part studied, anatomically specific algorithms are used
for image feature analysis. Analysis accuracy is enhanced through various means. For
example, after the ROI is determined directly from irradiated image areas, the average
ROI value is used as the reference pixel value (as shown in Figure 5.3). Alternatively,
the ROI is determined from a histogram of irradiated image areas and its center of
mass is used as the reference pixel value (as shown in Figure 5.4). Both methods are
also used together.*³ Tone conversion is described in greater detail in 5.3.1 Image
Tone Transformation.
*³ If analysis fails, the ROI must be set manually. For instructions on manual
configuration, refer to 6.1.5 in the separate Operation Manual.

ROI

ROI Average Output

Source Image
Image Feature Analysis
Figure 5.3. Schematic diagram of image-based image feature analysis

Histogram ROI Center of

Output
Mass
Pixel Value
Source Image
ROI
Image Feature Analysis
Figure 5.4. Schematic diagram of histogram-based image feature analysis

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5.2.3 Dynamic Range Analysis

To enable dynamic range adjustment, the Software uses the subject’s dynamic range
as the density (brightness) range in settings, regardless of subject physique. This
processing requires an understanding of how the available dynamic range
corresponds to the specific dynamic range of the subject (that is, what part of the
dynamic range should be used for the subject). This part is calculated automatically
through dynamic range analysis. A schematic diagram of analysis is shown in Figure
5.5. Analysis involves extracting the region that remains after areas other than the
subject (such as X-ray shielding or areas of direct exposure on the FPD) are
subtracted from the irradiated field. The range between minimum and maximum
values in this area is then calculated*4, which represents the dynamic range of the
subject. Dynamic range adjustment is described in greater detail in 5.3.2 Dynamic
Range Adjustment.
*4 If analysis fails, the subject’s dynamic range must be set manually by referring a
histogram. For details, refer to Dynamic Range in 3.3. Other Parameters in this
appendix and 6.2.1 in the separate Operation Manual.

Minimum Value of
Subject
Output
Maximum Value of
Subject

Histogram Histogram

Pixel Pixel Value

Dynamic Range of Value Dynamic Range of
Pre-processed Image Subject

Source Image Dynamic Range Analysis

Figure 5.5. Schematic diagram of dynamic range analysis

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Appendix

5.3 Image Processing for Diagnosis

Pre-processed images are not always sufficient for use in diagnosis. For this reason,
they must be converted to suitable images. Some parameters to prepare images for
diagnosis can be adjusted in the Software. This section describes typical image
processing in preparation for diagnosis.

5.3.1 Image Tone Transformation

Images produced by the digital radiography system CXDI series and the Software
have a wide dynamic range (extending to about four digits). For this reason, to prepare
images suitable for diagnosis, the part of the dynamic range that will be useful in
diagnosis must be determined and suitable shading assigned. Additionally, because
conventionally produced images are standard in diagnosis, image shading must also
match that of conventional images. This processing is referred to as tone
transformation. Figure 5.6 shows a relevant schematic diagram.

Darker
Tone Curve Tone Curve
Density (Brightness)

Shifted

Resulting
X-ray Dose Higher Image
(Source Pixel Value)
Reference Pixel Value Reference Pixel Value

Source Image Source Image

(Low X-ray Dose) (High X-ray Dose)
Figure 5.6. Schematic diagram of image tone transformation
In logarithmically transformed pre-processed image, representing higher or lower X-
ray doses can be done simply by shifting the tone curve laterally. Thus, as shown in
Figure 5.6, tone curves are shifted laterally depending on the dose so that the
reference pixel value is at the desired density (brightness). As mentioned in the context
of image feature analysis, the reference pixel value is calculated from the same,
region-specific ROI regardless of the subject or dose. In this way, image tone
transformation automatically adjusts the ROI to the desired density (brightness)
regardless of the subject or dose. Moreover, because tone curves resembling the
characteristic curves of conventional systems are used, this system provides
diagnosis images equivalent to conventional images.

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5.3.2 Dynamic Range Adjustment

As described, image tone transformation yields diagnosis images equivalent to
conventional images, regardless of the subject or dose. However, with this processing
alone, it is difficult to represent the entire subject while maintaining sufficient contrast.
This is due to the subject’s wide dynamic range, particularly in regions where subject
depth varies significantly. For this reason, the entire subject is represented while
maintaining sufficient contrast through dynamic range adjustment. Specifically, as
shown in Figure 5.7, tone curves established in image tone transformation (“reference
tone curves”) are adjusted to keep the subject’s dynamic range within the desired
range of visibility. This adjustment of reference tone curves maintains visibility even in
regions of the subject that would normally be affected by overexposed highlights or
underexposed shadows. The adjustment also maintains the correlation between
reference pixel values and desired density (brightness) and maintains tone curve
gradients around reference pixel values. Thus, the subject’s dynamic range can be
kept within the desired range of visibility without changing the density (brightness) or
local contrast (difference between the local contrast of structures) of the ROI. Because
the subject’s dynamic range is calculated automatically through dynamic range
analysis, reference tone curves are also adjusted automatically to suit the subject’s
dynamic range.

Density (Brightness) Reference

Tone Curve

Adjusted Tone
Visible Range

Curve

X-ray Dose
Histogram (Source Pixel Value)

Reference Pixel
Value
Dynamic Range of Subject
Figure 5.7. Tone curve adjustment
However, merely adjusting tone curves this way causes low local contrast where the
tone curve gradient is slight, as in the profile signals shown in Figure 5.8, which
obscures these structures. For this reason, the dynamic range adjustment performed
compensates for local contrast, keeping the subject's dynamic range within the range
of visibility without reducing local contrast of main structures in the subject, as shown
in Figure 5.9.

Continued
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Appendix

Pixel Value Pixel Value

Local Contrast

Visible Range
Image Tone
Transformation

Position Position
Figure 5.8. Alteration of local contrast

Pixel Value Pixel Value

Local Contrast

Visible Range

Image Tone
Transformation

Position Position
Figure 5.9. Compensation for local contrast
Figure 5.10 shows a schematic diagram of dynamic range adjustment. As mentioned,
this adjustment compensates for local contrast relative to images after tone
transformation. Local contrast compensation is performed by adding tone-
transformed images to images resulting from compensation for local contrast, which
are created by extracting main structural components in each frequency band from
images produced by breaking down source images into multiple frequency bands.

Source Image Tone-Transformed Resulting Image

Image

Image after Local Contrast Compensation

Figure 5.10. Schematic diagram of dynamic range adjustment

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5.3.3 Image Enhancement

A variety of factors including X-ray and light scattering may cause blurriness in the raw
image actually captured. Blurry images are made clearer and easier to see through
image enhancement. A schematic diagram of enhancement is shown in Figure 5.11.
After source images are broken down into multiple frequency bands, enhanced
images are produced by extracting structures for enhancement in each frequency
band. Image enhancement is then performed by adding enhanced images to source
images.

Source Image Resulting Image

Enhanced Image
Figure 5.11. Schematic diagram of image enhancement
In enhancement, edges and local contrast are emphasized by changing the structures
subject to enhancement. To enhance edges, the edges of the structures are
emphasized by generating overshoot and undershoot along edges, as is shown in
Figure 5.12. Local contrast is enhanced by amplifying local differences between
structures, as shown in Figure 5.13.

Pixel Value Pixel Value

Overshoot

Enhancement Undershoot
(Edge)

Position Position
Figure 5.12. Schematic diagram of edge enhancement

Continued
119
Appendix

Pixel Value Pixel Value

Local Contrast
Enhancement
(Local Contrast)

Position Position
Figure 5.13. Schematic diagram of local contrast enhancement

5.3.4 Noise Reduction

The raw image captured may also be affected by system noise, X-ray quantum noise,
and various other types of noise superimposed onto the images. In this case, noise
and image graininess is reduced through noise reduction. A schematic diagram of
noise reduction is shown in Figure 5.14. Here, a noise image is created by extracting
the noise superimposed in each frequency band from images obtained by breaking
down source images into multiple frequency bands. The noise image is subtracted
from source images, for adaptive noise reduction according to the X-ray dose.

Source Image Resulting Image

Noise Image
Figure 5.14. Schematic diagram of noise reduction

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 Appendix

6 Printing IP Parameter Values on Printed

Images
If the IP Parameter option is selected on the Film Annotation tab (see 2.5.3 of this
Setup Guide), the values for image processing parameters that are applied to the
image will be printed on the film output in the following format.

6.1 IP Parameter indication details

Parameters are segmented into (six groups only for stitch images) by colons, and they
consist of group or option identifying alphabets or numbers, and parameter values.

Parameter 2
(no alphabet) Curve Shape SB
Base Brightness 22,
Brightness 1,
Parameter 4 Parameter 6
Base Contrast 15,
D Dark Region 5, G Grid
Contrast -2
Bright Region 10 Suppression 1

A12,2 : SB22,1,15,-2 : E10,5,10 : D5,10 : N5 : G1 : S2

Parameter 1 Parameter 3 Parameter 5 Parameter 7

A Lumbar Spine 12, E Edge Enhancement 10, N Noise S Sharpness
Lateral 2 Edge Frequency 5, Reduction 5 Adjustment 2
Contrast Boost 10

For details on the meaning of the printed values, see the table below.

Continued
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Appendix

Corresponding Image
Group Alphabet Processing Indication
Parameter
0: Unknown
1: Skull
2: Ear
3: Nose Sinus
4: Nose
5: Mandible
6: Chest
7: Child Chest
8: Infant Chest
9: Abdomen
10: Cervical Spine
11: Thoracic Spine
12: Lumbar Spine
13: Clavicle
14: Shoulder
15: Scapula
16: Rib
17: Sternum
18: Pelvis
19: Sacrum
20: Ilium
Anatomical Part
21: Coccyx
Parameter 1 A 22: Pubis
23: Humerus
24: Elbow
25: Forearm
26: Wrist
27: Hand
28: Hip Joint
29: Femur
30: Knee
31: Leg
32: Ankle
33: Foot
34: Upper Gastrointestinal
35: Lower Gastrointestinal
36: Hepato Billiary Pancreatic
37: Urinary
38: Myelo
100: Unknown (Stitch)
101: Whole Spine
102: Full Leg
0: Other
Direction 1: Front
2: Lateral

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 Appendix

Corresponding Image
Group Alphabet Processing Indication
Parameter
Curve Shape SA/SB/SC/LN
When the Auto option is selected
for Brightness Adjustment, a
value between 1 and 29 will be
Base Brightness printed.
Parameter 2 None When the REX option is selected
for Brightness Adjustment, “*”
will be printed.
Brightness -10 to 10
Base Contrast 1 to 29
Contrast -10 to 10
When the Edge Enhancement
check box is selected, values for
Edge Enhancement, Edge
Frequency, and Contrast Boost
Enhancement
will be printed.
When the Edge Enhancement
Parameter 3 E
check box is not selected, “*” will
be printed.
Edge Enhancement 0 to 20
Edge Frequency 1 to 7
Contrast Boost 0 to 20
When the Dark Region check box
is selected, a Dark Region value
Dark Region (1 to 20) will be printed.
When the Dark Region check box
is not selected, “*” will be printed.
Parameter 4 D When the Bright Region check
box is selected, a Bright Region
value (1 to 20) will be printed.
Bright Region
When the Bright Region check
box is not selected, “*” will be
printed.
When the Noise Reduction check
box is selected, a Noise
Reduction value (1 to 10) will be
Parameter 5 N Noise Reduction printed.
When the Noise Reduction check
box is not selected, “*” will be
printed.
When the Grid Suppression
check box is selected, 1 will be
printed.
Parameter 6 G Grid Suppression
When the Grid Suppression
check box is not selected, “*” will
be printed.
When the Sharpness Adjustment
check box is selected, the value
Parameter 7 S Sharpness Adjustment (1 to 3) will be printed. When the
check box is not selected, “S”
and value are not printed.

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Appendix

7 Monitor Gamma Adjustment

If [Gamma Adjustment] appears on the System Settings tab, users can adjust the
monitor gamma and save the adjustment result.

[Gamma
Adjustment]

System Settings tab

1 Start monitor gamma adjustment.

Click [Gamma Adjustment].

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 Appendix

If a confirmation dialog box appears

Users can confirm the adjustment results but cannot save the result. Click [OK]
and go to step 2. If there is a 0.4 or greater difference in the monitor gamma
value before and after the adjustment, the adjustment result should be saved.
Consult a service engineer to change and save the setting.

If the value entry screen appears

Users can adjust the monitor gamma and can save the adjustment result. Enter
values in the Luminance and Contrast ratio text box (both values may be found
in a catalog or user’s manual for the monitor display), click [Next], and go to
step 2.
Luminance text
box

Contrast ratio text

box

Click [Next] to go
to the adjustment
screen
corresponding to
the option selected
here.

Click to return to
the [System
Settings] tab.

[Next]
Value entry screen

Continued
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Appendix

2 Adjust the monitor gamma using luminance patches.

NOTE: Eight different luminance patches have a square at their center whose
brightness can be adjusted by the use of the monitor gamma control. Adjust
the monitor gamma so that all the eight squares inside each of the luminance
patches are clearly and equally defined.

Point the monitor gamma control and rotate the scroll wheel on the mouse or
click the arrows of the control.
To brighten the center squares of the luminance patches, move the slider to the
right.
To darken the center squares of the luminance patches, move the slider to the
left.

NOTE: It is recommended to lower the monitor gamma value if adjustment is

performed in a darker room. On the other hand, raise the monitor gamma
value if adjustment is performed in a brighter room.

Adjustment mode
options

Luminance patches

Monitor gamma Click to return to

control the [System
Settings] tab.

[OK]
Normal mode screen

NOTE: While the screens for Normal Mode and Tight Mode appear almost the
same, lower contrast around the border of the center square of the
luminance patch in tight mode is suited to fine-adjust the monitor gamma.

126
 Appendix

3 Confirm the adjustment result using the SMPTE test

pattern.
Select the SMPTE mode option from among the adjustment mode options. See
step 2 in 2.3.2 of this Setup Guide for details on confirmation method.

NOTE: If required, monitor gamma can also be adjusted in this mode using the
monitor gamma control.

4 End monitor gamma adjustment.

Click [OK]. The adjustment result is saved and the screen will return to the
[System Settings] tab.

NOTE: If a confirmation dialog box appears in step 1, [OK] will be disabled and the
adjustment results cannot be saved. In such cases, click [Cancel] to return to
the [System Settings] tab, and consult your service engineer.

127
Index

A Connection 37
Access Point Setting 18 Contrast ratio 125
Access privileges 95 Cropping Area Options 65
Age 23 Customize Display 23
Align images using markers 19
Anatomical Part 100 D
APR ID 67 Data transfer
Automatic analysis 112, 113 Resending 59
Automatic Next Protocol Selection 24 Suspending 59
Automatically apply protocol 26 Database Backup 90
AutoProto Application 76 Database server 44
DB Backup 90
B Default Parameters 107
Background color 41 Description List Items 26
Backup Device Information 18
Database 90 DI 31, 87
Birth 23 Diagnosis images 112
Blank line 31, 35 DICOM Attributes 63
Body Part 63 Disk Storage 47
Divide Grid 52
Dynamic Range Adjustment 117
C Dynamic Range Analysis 115
Calibration 78
Called AE Title
MPPS 46
E
MWL 44 EI 31, 87
Printer 41 EIt 31, 87
Storage 38 Essential Input Setting 23
Calling AE Title Examination Screen 24
MPPS 46 Exposure Protocol Code 63
MWL 44 Exposure type 67
Category tabs 69
C-ECHO F
MPPS 47 Film Annotation 34
MWL 45 Film Box Annotation 34
Printer 41 Film options 66
Storage 39 Film Output Destination 42
Character Set 18 Fixed Ratio 43
Classification of Imaging Parameters 95 Flipping 65
Code Meaning 64 Free Annotation 32
Code Value 64
Column header
Rearranging 58 G
Column Headers 25 Gamma Adjustment 124
Commitment Calling AE Title 40 GenCom 49
Commitment Port 40 Grid Name 65
Common Cropping Area options 20 Grid Suppression 105
Common Output Setting 40 GSPS
Communication test result 37, 41 Storage 38
Connect GEN 12 GUI Color Taste Selection 19

128
 Index

H P
Help Display 24 Patient Info Input Mode 23
Patient Name Input Form 23
Patient Orientation 63
I Performance Test 78, 81
Image box 50 Peripheral Mask 105
Image Box Annotation 34 Per-protocol basis 97, 98
Image Enhancement 119 Ping
Image Feature Analysis 114 MPPS 47
Image Proc 85 MWL 45
Image processing for diagnosis 112, 116 Printer 41
Image Tone Transformation 116 Storage 39
Image type PPS 58
Print out 43 PrePack protocol 70
Imaging administrators 95 Pre-processed image 112
Imaging Parameters 95 Pre-processing 112
Input Reject Reason 24 Preview Annotation 30
Institution Name 19 Print format
IP Parameter 35, 121 End Exam 43
Irradiated Fields 113 Printable area of an oversized image 65
Printer 40
L Printer Calling AE Title 43
Laterality 63 Process Viewer 58
Laterality Marker 32, 63 Refresh 19
Layout Template Prolonged Exposure 67
Button 40 Protocol
Edit 51 Creating 68
Screen 50 Modifying 60
Local contrast 117 Settings 26, 63
Log Viewer 57 Protocol Editor 60
Logout 56 Protocol tray
Luminance 125 Organizing 73
Protocol Workspace Settings 65
M
Measurement Object 24 Q
Monitor Gamma 21 QC Tool 78
MPPS 46
MWL 44 R
Radiography Image Modality 38
N Raw image 112
Noise Reduction 120 Reference pixel value 114
Normal Mode 126 Reference tone curves 117
Number of partial images 67 Refresh Interval 19
Regular users 95
Rotation 65
O
Output Exam Log 91

129
Index

S
Screen Saver 18
Selected protocol only 86
Self-diagnosis 82
Show Code Meaning 26
Show Stitch Screen automatically after ending
every EXAM 19
Shutdown 56
SID 67
Similar anatomical parts 86
SMPTE 21, 127
SOD 67
Software Version 18
Stitch Setting 19
Storage 37
Storage Calling AE Title 40
Storage Commit 38
Study Information Display Setting 24
Study Parameters 98, 110
System Settings 18
System setup option 14
System tool 54

T
Tight Mode 126
Toolbar options 27

U
User Administration 16

V
View Position 63

W
Workspace
Settings 63

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 *L-IE-4162E*

CANON INC. Medical Equipment Group

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Telephone: (81)-3-3758-2111

CANON U.S.A., INC.

CANON MEDICAL SYSTEMS
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Telephone: (61)-2-9805-2000

PUB. L-IE-4162E 0911P0.001 © CANON INC. 2011 Printed in Japan