Agisoft Metashape

Processing Report
23 November 2023
Survey Data
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100 m

Fig. 1. Camera locations and image overlap.

Number of images: 298 Camera stations: 298

Flying altitude: 72 m Tie points: 34,507
Ground resolution: 1.87 cm/pix Projections: 98,921
Coverage area: 0.23 km² Reprojection error: 7.06 pix

Camera Model Resolution Focal Length Pixel Size Precalibrated

FC6310R (8.8mm) 5472 x 3648 8.8 mm 2.41 x 2.41 μm Yes
Table 1. Cameras.

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Camera Calibration

2 pix
Fig. 2. Image residuals for FC6310R (8.8mm).

FC6310R (8.8mm)
298 images, precalibrated

Type Resolution Focal Length Pixel Size

Frame 5472 x 3648 8.8 mm 2.41 x 2.41 μm

Value Error F K1 K2 K3 P1 P2

Cx -27.63

Cy 10.97

F 3691.76 6.2 1.00 -0.86 0.58 -0.42 -0.05 -0.07

K1 -0.282507 0.0011 1.00 -0.88 0.76 0.04 0.08

K2 0.123678 0.0015 1.00 -0.97 -0.02 -0.06

K3 -0.0342946 0.00088 1.00 -0.00 0.05

P1 -3.33616e-05 3.7e-05 1.00 0.00

P2 0.000135142 3e-05 1.00

Table 2. Calibration coefficients and correlation matrix.

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Camera Locations
1.5 m
1.2 m
0.9 m
0.6 m
0.3 m
0m
-0.3 m
-0.6 m
-0.9 m
-1.2 m
-1.5 m

x7

100 m

Fig. 3. Camera locations and error estimates.

Z error is represented by ellipse color. X,Y errors are represented by ellipse shape.
Estimated camera locations are marked with a black dot.

X error (m) Y error (m) Z error (m) XY error (m) Total error (m)
1.6429 0.856407 0.563407 1.85272 1.93649
Table 3. Average camera location error.
X - Easting, Y - Northing, Z - Altitude.

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Ground Control Points
0.06 mm
0.048 mm
0.036 mm
0.024 mm
0.012 mm
0 mm
-0.012 mm
-0.024 mm
GCP 2 -0.036 mm
-0.048 mm
GCP 5 -0.06 mm

x 5000
GCP 1 GCP 3

GCP 4

Control points Check points

100 m

Fig. 4. GCP locations and error estimates.

Z error is represented by ellipse color. X,Y errors are represented by ellipse shape.
Estimated GCP locations are marked with a dot or crossing.

Count X error (mm) Y error (mm) Z error (mm) XY error (mm) Total (mm)
5 1.92129 1.90281 0.0354526 2.70408 2.70431
Table 4. Control points RMSE.
X - Easting, Y - Northing, Z - Altitude.

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Label X error (mm) Y error (mm) Z error (mm) Total (mm) Image (pix)
GCP 1 1.47764 -2.83854 0.0523643 3.20054 0.072 (17)
GCP 2 1.16573 1.80743 0.0136395 2.15079 0.050 (21)
GCP 3 -3.75918 2.42184 -0.0573842 4.47214 0.092 (13)
GCP 4 0.727557 -0.572494 -0.00680445 0.925815 0.041 (22)
GCP 5 0.503719 -0.765663 -0.00414085 0.916509 0.035 (20)
Total 1.92129 1.90281 0.0354526 2.70431 0.058
Table 5. Control points.
X - Easting, Y - Northing, Z - Altitude.

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Digital Elevation Model
167 m

102 m

100 m

Fig. 5. Reconstructed digital elevation model.

Resolution: 29.9 cm/pix

Point density: 11.2 points/m²

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Processing Parameters

General
Cameras 298
Aligned cameras 298
Markers 5
Coordinate system DGN95 / Indonesia TM-3 zone 49.1 (EPSG::23835)
Rotation angles Yaw, Pitch, Roll
Point Cloud
Points 34,507 of 41,159
RMS reprojection error 0.203649 (7.05575 pix)
Max reprojection error 0.925343 (86.7757 pix)
Mean key point size 32.9575 pix
Point colors 3 bands, uint8
Key points No
Average tie point multiplicity 3.10353
Alignment parameters
Accuracy Lowest
Generic preselection Yes
Reference preselection Source
Key point limit 40,000
Key point limit per Mpx 1,000
Tie point limit 4,000
Exclude stationary tie points Yes
Guided image matching No
Adaptive camera model fitting No
Matching time 1 minutes 47 seconds
Matching memory usage 196.68 MB
Alignment time 1 minutes 32 seconds
Alignment memory usage 54.33 MB
Optimization parameters
Parameters f, k1-k3, p1, p2
Adaptive camera model fitting No
Optimization time 3 seconds
Date created 2023:11:23 01:05:17
Software version 1.8.5.15259
File size 2.90 MB
Depth Maps
Count 298
Depth maps generation parameters
Quality Lowest
Filtering mode Mild
Max neighbors 16
Processing time 5 minutes 46 seconds
Memory usage 540.66 MB
Date created 2023:11:23 03:19:21
Software version 1.8.5.15259
File size 44.39 MB
Dense Point Cloud
Points 3,359,215
Point colors 3 bands, uint8
Depth maps generation parameters

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 Quality Lowest
Filtering mode Mild
Max neighbors 16
Processing time 5 minutes 46 seconds
Memory usage 540.66 MB
Dense cloud generation parameters
Processing time 1 minutes 41 seconds
Memory usage 549.59 MB
Date created 2023:11:23 03:21:02
Software version 1.8.5.15259
File size 43.70 MB
DEM
Size 1,936 x 1,672
Coordinate system DGN95 / Indonesia TM-3 zone 49.1 (EPSG::23835)
Reconstruction parameters
Source data Dense cloud
Interpolation Enabled
Processing time 10 seconds
Memory usage 131.69 MB
Date created 2023:11:23 03:28:43
Software version 1.8.5.15259
File size 11.39 MB
Orthomosaic
Size 30,975 x 26,751
Coordinate system DGN95 / Indonesia TM-3 zone 49.1 (EPSG::23835)
Colors 3 bands, uint8
Reconstruction parameters
Blending mode Mosaic
Surface DEM
Enable hole filling Yes
Enable ghosting filter No
Processing time 33 minutes 30 seconds
Memory usage 2.17 GB
Date created 2023:11:23 04:02:34
Software version 1.8.5.15259
File size 9.47 GB
System
Software name Agisoft Metashape Professional
Software version 1.8.5 build 15259
OS Windows 64 bit
RAM 7.90 GB
CPU Intel(R) Core(TM) i7-6500U CPU @ 2.50GHz
GPU(s) GeForce 920M

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