Agisoft Metashape

Processing Report
05 April 2022
Survey Data
>9
9
8
7
6
5
4
3
2
1

2m

Fig. 1. Camera locations and image overlap.

Number of images: 65 Camera stations: 65

Flying altitude: 4.67 m Tie points: 63,601
Ground resolution: 1.1 mm/pix Projections: 262,028
Coverage area: 42 m² Reprojection error: 2.25 pix

Camera Model Resolution Focal Length Pixel Size Precalibrated

FC6510 (8.8mm) 5472 x 3078 8.8 mm 2.53 x 2.53 μm No
FC6510 (8.8mm) 5472 x 3078 8.8 mm 2.53 x 2.53 μm No
FC6510 (8.8mm) 5472 x 3078 8.8 mm 2.53 x 2.53 μm No
FC6510 (8.8mm) 5472 x 3078 8.8 mm 2.53 x 2.53 μm No
Table 1. Cameras.

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Camera Calibration

1 pix
Fig. 2. Image residuals for FC6510 (8.8mm).

FC6510 (8.8mm)
57 images

Type Resolution Focal Length Pixel Size

Frame 5472 x 3078 8.8 mm 2.53 x 2.53 μm

Value Error F Cx Cy K1 K2 K3 P1 P2

F 3669.65 0.22 1.00 -0.10 0.04 -0.04 0.20 -0.18 -0.12 0.06

Cx 2.46411 0.37 1.00 0.01 0.01 -0.02 0.01 0.95 0.03

Cy 17.0323 0.59 1.00 0.00 0.00 -0.01 -0.00 0.96

K1 0.0062317 0.00019 1.00 -0.94 0.88 0.01 0.01

K2 -0.014922 0.00061 1.00 -0.98 -0.01 0.00

K3 0.0144517 0.00062 1.00 0.00 0.00

P1 0.00038885 3e-05 1.00 0.01

P2 0.00117966 3.7e-05 1.00

Table 2. Calibration coefficients and correlation matrix.

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Camera Calibration

1 pix
Fig. 3. Image residuals for FC6510 (8.8mm).

FC6510 (8.8mm)
6 images

Type Resolution Focal Length Pixel Size

Frame 5472 x 3078 8.8 mm 2.53 x 2.53 μm

Value Error F Cx Cy K1 K2 K3 P1 P2

F 3670.7 0.31 1.00 -0.16 0.02 -0.37 0.40 -0.36 -0.14 0.04

Cx 2.70312 0.54 1.00 0.02 0.02 -0.02 0.01 0.94 0.04

Cy 16.6966 0.65 1.00 -0.01 0.01 -0.01 0.02 0.92

K1 0.00714127 0.00047 1.00 -0.96 0.91 0.05 0.00

K2 -0.017607 0.0017 1.00 -0.98 -0.02 -0.00

K3 0.0171481 0.0017 1.00 0.01 0.00

P1 0.000366299 4.9e-05 1.00 0.03

P2 0.00114177 4.4e-05 1.00

Table 3. Calibration coefficients and correlation matrix.

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Camera Calibration

3 pix
Fig. 4. Image residuals for FC6510 (8.8mm).

FC6510 (8.8mm)
1 images

Type Resolution Focal Length Pixel Size

Frame 5472 x 3078 8.8 mm 2.53 x 2.53 μm

Value Error F Cx Cy K1 K2 K3 P1 P2

F 3670.15 0.83 1.00 0.12 0.25 -0.63 0.74 -0.70 0.12 0.21

Cx 2.99017 1.7 1.00 -0.13 0.10 -0.07 0.07 0.98 -0.12

Cy 12.6732 1.4 1.00 -0.03 0.15 -0.17 -0.15 0.93

K1 0.00509053 0.0017 1.00 -0.95 0.90 0.09 -0.02

K2 -0.00975676 0.0052 1.00 -0.99 -0.06 0.13

K3 0.00824365 0.0047 1.00 0.07 -0.14

P1 0.000533871 0.00018 1.00 -0.14

P2 0.000669072 0.00014 1.00

Table 4. Calibration coefficients and correlation matrix.

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Camera Calibration

3 pix
Fig. 5. Image residuals for FC6510 (8.8mm).

FC6510 (8.8mm)
1 images

Type Resolution Focal Length Pixel Size

Frame 5472 x 3078 8.8 mm 2.53 x 2.53 μm

Value Error F Cx Cy K1 K2 K3 P1 P2

F 3667.92 1.3 1.00 0.31 0.23 -0.23 0.38 -0.32 0.03 0.09

Cx 3.80432 2.6 1.00 0.12 0.09 -0.02 0.03 0.81 0.07

Cy 16.2911 2.2 1.00 0.21 -0.10 0.09 -0.07 0.85

K1 0.00899306 0.0029 1.00 -0.91 0.84 -0.21 -0.01

K2 -0.0285592 0.0095 1.00 -0.98 0.08 0.06

K3 0.0307334 0.01 1.00 -0.03 -0.07

P1 0.000664882 0.00027 1.00 0.03

P2 0.00115835 0.0002 1.00

Table 5. Calibration coefficients and correlation matrix.

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Camera Locations
170 m
136 m
102 m
68 m
34 m
0m
-34 m
-68 m
-102 m
-136 m
-170 m

x1

2m

Fig. 6. 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)
1.27781 2.42467 163.365 2.74077 163.388
Table 6. Average camera location error.

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Ground Control Points
0.6 mm
102 0.48 mm
0.36 mm
0.24 mm
0.12 mm
0 mm
103 -0.12 mm
-0.24 mm
-0.36 mm
-0.48 mm
-0.6 mm
101

x 300

100
Control points Check points
2m

Fig. 7. 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)
4 0.567375 0.0973061 0.371896 0.575659 0.685339
Table 7. Control points RMSE.

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Label X error (mm) Y error (mm) Z error (mm) Total (mm) Image (pix)
100 -0.26208 -0.106122 -0.140722 0.315833 0.294 (5)
101 0.793836 0.158645 0.367373 0.888992 0.405 (4)
102 -0.738874 -0.032171 -0.502502 0.894135 0.707 (5)
103 0.207035 -0.0202229 0.382038 0.435001 0.300 (5)
Total 0.567375 0.0973061 0.371896 0.685339 0.461
Table 8. Control points.

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Digital Elevation Model
1.9 m

-1.7 m

2m

Fig. 8. Reconstructed digital elevation model.

Resolution: 2.48 cm/pix

Point density: 0.163 points/cm²

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Processing Parameters

General
Cameras 65
Aligned cameras 65
Markers 4
Coordinate system Local Coordinates (m)
Rotation angles Yaw, Pitch, Roll
Point Cloud
Points 63,601 of 64,279
RMS reprojection error 0.420567 (2.25451 pix)
Max reprojection error 9.90943 (99.1338 pix)
Mean key point size 6.08465 pix
Point colors 3 bands, uint8
Key points 213.74 MB
Average tie point multiplicity 4.10454
Alignment parameters
Accuracy High
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 18 seconds
Matching memory usage 460.08 MB
Alignment time 22 seconds
Alignment memory usage 42.50 MB
Optimization parameters
Parameters f, cx, cy, k1-k3, p1, p2
Adaptive camera model fitting No
Optimization time 0 seconds
Date created 2022:04:05 12:13:14
Software version 1.7.5.13229
File size 7.68 MB
Depth Maps
Count 65
Depth maps generation parameters
Quality High
Filtering mode Mild
Max neighbors 40
Processing time 13 minutes 10 seconds
Memory usage 3.69 GB
Date created 2022:04:05 06:48:11
Software version 1.7.5.13229
File size 248.02 MB
Dense Point Cloud
Points 7,534,817
Point colors 3 bands, uint8
Depth maps generation parameters

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 Quality High
Filtering mode Mild
Max neighbors 40
Processing time 13 minutes 10 seconds
Memory usage 3.69 GB
Dense cloud generation parameters
Processing time 5 minutes 28 seconds
Memory usage 5.67 GB
Date created 2022:04:05 06:53:40
Software version 1.7.5.13229
File size 389.32 MB
Model
Faces 29,999
Vertices 15,064
Vertex colors 3 bands, uint8
Reconstruction parameters
Surface type Arbitrary
Source data Sparse cloud
Interpolation Enabled
Strict volumetric masks No
Processing time 1 seconds
Memory usage 36.67 MB
Date created 2022:04:05 10:18:27
Software version 1.7.5.13229
File size 704.11 KB
System
Software name Agisoft Metashape Professional
Software version 1.7.5 build 13229
OS W indows 64 bit
RAM 31.73 GB
CPU Intel(R) Core(TM) i9-10885H CPU @ 2.40GHz
GPU(s) Quadro RTX 3000

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