Agisoft Metashape
Processing Report
19 May 2022
Survey Data
Fig. 1. Camera locations and image overlap.
Number of images: 279 Camera stations: 279
Flying altitude: 31.2 m Tie points: 190,170
Ground resolution: 9.19 mm/pix Projections: 959,439
Coverage area: 8.94e+03 m² Reprojection 0.507 pix
error:
Camera ModelResolution Focal LengthPixel Size Precalibrated
FC7203 4000 x 2250 4.49 mm 1.76 x 1.76No
(4.49mm) μm
Table 1. Cameras.
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Camera Calibration
Fig. 2. Image residuals for FC7203 (4.49mm).
FC7203 (4.49mm)
279 images
Type Resolution Focal Length Pixel Size
Frame 4000 x 2250 4.49 mm 1.76 x 1.76
μm
Value Error F Cx Cy K1 K2 K3 P1 P2
F 3170.46 3.3 1.00 -0.79 0.96 0.41 -0.61 0.66 -0.18 0.29
Cx -11.8155 0.075 1.00 -0.75 -0.34 0.48 -0.52 0.40 -0.25
Cy 5.25475 0.15 1.00 0.40 -0.59 0.64 -0.18 0.37
K1 0.0150871 0.00025 1.00 -0.50 0.50 -0.58 0.81
K2 -0.0440133 0.00031 1.00 -0.99 0.17 -0.24
K3 0.0426004 0.00041 1.00 -0.18 0.26
P1 -4.13195e-05 4e-06 1.00 -0.52
P2 -0.000152979 6.2e-06 1.00
Table 2. Calibration coefficients and correlation matrix.
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Camera Locations
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 (cm) Y error (cm) Z error (cm) XY error (cm) Total error (cm)
28.6184 42.7071 21.7672 51.4093 55.8276
Table 3. Average camera location error.
X - Longitude, Y - Latitude, Z - Altitude.
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Digital Elevation Model
95 m
74 m
20 m
Fig. 4. Reconstructed digital elevation model.
Resolution: 3.68 cm/pix
Point density: 740 points/m²
Processing Parameters
General
Cameras 279
Aligned cameras 279
Coordinate system WGS 84 (EPSG::4326)
Rotation angles Yaw, Pitch, Roll
Point Cloud
Points 190,170 of 210,449
RMS reprojection error 0.130824 (0.506569
pix)
Max reprojection error 0.394701 (17.8214 pix)
Mean key point size 3.51895 pix
Point colors 3 bands, uint8
Key points No
Average tie point multiplicity 5.61101
Alignment parameters
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Accuracy High
Generic preselection Yes
Reference preselection Source
Key point limit 40,000
Tie point limit 4,000
Guided image matching No
Adaptive camera model fitting No
Matching time 10 minutes 41 seconds
Matching memory usage 1.22 GB
Alignment time 14 minutes 36 seconds
Alignment memory usage 134.91 MB
Software version 1.6.1.10009
Depth Maps
Count 279
Depth maps generation parameters
Quality Medium
Filtering mode Mild
Processing time 59 minutes 26 seconds
Dense Point Cloud
Points 11,642,346
Point colors 3 bands, uint8
Depth maps generation parameters
Quality Medium
Filtering mode Mild
Processing time 59 minutes 26 seconds
Dense cloud generation parameters
Processing time 39 minutes 51 seconds
Software version 1.6.1.10009
Model
Faces 2,328,443
Vertices 1,166,712
Vertex colors 3 bands, uint8
Depth maps generation parameters
Quality Medium
Filtering mode Mild
Processing time 59 minutes 26 seconds
General
Reconstruction parameters
Surface type Arbitrary
Source data Dense cloud
Interpolation Enabled
Strict volumetric masks No
Processing time 13 minutes 59 seconds
Software version 1.6.1.10009
Tiled Model
Texture 3 bands, uint8
Depth maps generation parameters
Quality Medium
Filtering mode Mild
Processing time 59 minutes 26 seconds
Reconstruction parameters
Source data Dense cloud
Tile size 256
Face count High
Enable ghosting filter No
Processing time 1 hours 16 minutes
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Software version 1.6.1.10009
DEM
Size 4,171 x 4,306
Coordinate system WGS 84 (EPSG::4326)
Reconstruction parameters
Source data Dense cloud
Interpolation Enabled
Processing time 20 seconds
Software version 1.6.1.10009
Orthomosaic
Size 11,576 x 13,676
Coordinate system WGS 84 (EPSG::4326)
Colors 3 bands, uint8
Reconstruction parameters
Blending mode Mosaic
Surface DEM
Enable hole filling Yes
Processing time 9 minutes 12 seconds
Software version 1.6.1.10009
System
Software name Agisoft Metashape Professional
Software version 1.6.1 build 10009
OS Windows 64 bit
RAM 7.69 GB
CPU 11th Gen Intel(R) Core(TM) i7-11370H @
3.30GHz
GPU(s) GeForce RTX 3050 Laptop GPU
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