Agisoft Metashape
Processing Report
28 July 2024
Survey Data
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200 m
Fig. 1. Camera locations and image overlap.
Number of images: 44 Camera stations: 41
Flying altitude: 210 m Tie points: 10,077
Ground resolution: 15.3 cm/pix Projections: 28,133
Coverage area: 0.661 km² Reprojection error: 0.906 pix
Camera Model Resolution Focal Length Pixel Size Precalibrated
FC3411 (8.38mm) 2736 x 1824 8.38 mm 5.01 x 5.01 μm No
Table 1. Cameras.
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Camera Calibration
1 pix
Fig. 2. Image residuals for FC3411 (8.38mm).
FC3411 (8.38mm)
44 images
Type Resolution Focal Length Pixel Size
Frame 2736 x 1824 8.38 mm 5.01 x 5.01 μm
Value Error F Cx Cy K1 K2 K3 P1 P2
F 997.662 56 1.00 0.69 0.02 -0.99 1.00 0.80 -0.27 -0.65
Cx -1.77244 0.33 1.00 -0.01 -0.68 0.69 0.56 -0.20 -0.42
Cy 8.99666 0.27 1.00 -0.01 0.02 0.02 -0.12 0.03
K1 -0.0226169 0.0026 1.00 -0.99 -0.74 0.27 0.64
K2 0.00701719 0.0016 1.00 0.75 -0.27 -0.64
K3 0.000160218 6.4e-005 1.00 -0.24 -0.51
P1 -0.00011205 2e-005 1.00 0.13
P2 -0.000345416 2.8e-005 1.00
Table 2. Calibration coefficients and correlation matrix.
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Camera Locations
10 m
8m
6m
4m
2m
0m
-2 m
-4 m
-6 m
-8 m
-10 m
x 15
200 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)
1.12895 1.66223 3.18418 2.00936 3.76517
Table 3. Average camera location error.
X - Longitude, Y - Latitude, Z - Altitude.
Page 4
Digital Elevation Model
290 m
160 m
200 m
Fig. 4. Reconstructed digital elevation model.
Resolution: 1.22 m/pix
Point density: 0.667 points/m²
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Processing Parameters
General
Cameras 44
Aligned cameras 41
Coordinate system W GS 84 (EPSG::4326)
Rotation angles Yaw, Pitch, Roll
Point Cloud
Points 10,077 of 10,607
RMS reprojection error 0.114363 (0.906345 pix)
Max reprojection error 0.343641 (11.6976 pix)
Mean key point size 7.33268 pix
Point colors 3 bands, uint8
Key points No
Average tie point multiplicity 2.8632
Alignment parameters
Accuracy Medium
Generic preselection Yes
Reference preselection Yes
Key point limit 40,000
Tie point limit 4,000
Adaptive camera model fitting No
Matching time 2 minutes 15 seconds
Alignment time 27 seconds
Software version 1.5.3.8469
Depth Maps
Count 40
Depth maps generation parameters
Quality Low
Filtering mode Mild
Processing time 37 seconds
Dense Point Cloud
Points 299,626
Point colors 3 bands, uint8
Depth maps generation parameters
Quality Low
Filtering mode Mild
Processing time 37 seconds
Dense cloud generation parameters
Processing time 8 seconds
Software version 1.5.3.8469
Model
Faces 4,009
Vertices 2,089
Vertex colors 3 bands, uint8
Texture 4,096 x 4,096, 4 bands, uint8
Depth maps generation parameters
Quality Low
Filtering mode Mild
Processing time 37 seconds
Reconstruction parameters
Surface type Arbitrary
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General
Source data Depth maps
Interpolation Enabled
Strict volumetric masks No
Processing time 4 minutes 39 seconds
Texturing parameters
Mapping mode Generic
Blending mode Mosaic
Texture size 4,096
Enable hole filling Yes
Enable ghosting filter Yes
UV mapping time 21 seconds
Blending time 4 minutes 5 seconds
Software version 1.5.3.8469
Tiled Model
Texture 3 bands, uint8
Depth maps generation parameters
Quality Low
Filtering mode Mild
Processing time 37 seconds
Reconstruction parameters
Source data Dense cloud
Tile size 256
Face count Low
Processing time 4 minutes 10 seconds
Software version 1.5.3.8469
DEM
Size 697 x 1,155
Coordinate system W GS 84 (EPSG::4326)
Reconstruction parameters
Source data Dense cloud
Interpolation Enabled
Processing time 1 seconds
Software version 1.5.3.8469
Orthomosaic
Size 4,968 x 8,064
Coordinate system W GS 84 (EPSG::4326)
Colors 3 bands, uint8
Reconstruction parameters
Blending mode Mosaic
Surface DEM
Enable hole filling Yes
Processing time 1 minutes 19 seconds
Software version 1.5.3.8469
Software
Version 1.5.3 build 8469
Platform W indows 64
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