Agisoft Metashape
Processing Report
28 June 2024
Survey Data
>9
9
8
7
6
5
4
3
2
1
50 m
Fig. 1. Camera locations and image overlap.
Number of images: 45 Camera stations: 45
Flying altitude: 73.8 m Tie points: 5,281
Ground resolution: 2.03 cm/pix Projections: 18,666
Coverage area: 0.044 km² Reprojection error: 5.26 pix
Camera Model Resolution Focal Length Pixel Size Precalibrated
Test_Pro (8.38mm) 5472 x 3648 8.38 mm 2.51 x 2.51 μm No
Table 1. Cameras.
Page 2
Camera Calibration
4 pix
Fig. 2. Image residuals for Test_Pro (8.38mm).
Test_Pro (8.38mm)
45 images
Type Resolution Focal Length Pixel Size
Frame 5472 x 3648 8.38 mm 2.51 x 2.51 μm
Value Error F Cx Cy K1 K2 K3 P1 P2
F 3447.23 1.3e+02 1.00 -0.57 -0.72 -0.87 0.80 0.92 0.17 0.08
Cx 37.2113 1.4 1.00 0.40 0.45 -0.41 -0.56 0.44 -0.05
Cy 1.56876 1.3 1.00 0.63 -0.57 -0.67 -0.14 0.31
K1 -0.063282 0.0054 1.00 -0.89 -0.67 -0.21 -0.13
K2 0.0311299 0.006 1.00 0.51 0.20 0.08
K3 0.0328515 0.008 1.00 0.12 0.06
P1 0.00020437 9.5e-05 1.00 -0.00
P2 -5.2704e-05 6.4e-05 1.00
Table 2. Calibration coefficients and correlation matrix.
Page 3
Ground Control Points
1.2 cm
0.96 cm
0.72 cm
0.48 cm
0.24 cm
0 cm
-0.24 cm
-0.48 cm
-0.72 cm
-0.96 cm
-1.2 cm
x 20
point 1
point 2
point 3
Control points Check points
50 m
Fig. 3. 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 (cm) Y error (cm) Z error (cm) XY error (cm) Total (cm)
3 26.7196 12.3983 0.652516 29.456 29.4632
Table 3. Check points RMSE.
X - Easting, Y - Northing, Z - Altitude.
Page 4
Label X error (cm) Y error (cm) Z error (cm) Total (cm) Image (pix)
point 1 -4.22785 -2.37686 1.10563 4.9746 3.260 (21)
point 2 -24.8039 15.0866 3.88732e-05 29.0317 0.000 (16)
point 3 -38.8421 15.0962 0.234315 41.6732 0.585 (16)
Total 26.7196 12.3983 0.652516 29.4632 2.077
Table 4. Check points.
X - Easting, Y - Northing, Z - Altitude.
Page 5
Digital Elevation Model
2.04 km
2.01 km
50 m
Fig. 4. Reconstructed digital elevation model.
Resolution: 32.5 cm/pix
Point density: 9.45 points/m²
Page 6
Processing Parameters
General
Images 45
Aligned images 45
Markers 3
Coordinate system MAGNA-SIRGAS 2018 / Origen-Nacional (EPSG::9377)
Rotation angles Yaw, Pitch, Roll
Tie Points
Points 5,281 of 6,305
RMS reprojection error 0.164495 (5.25748 pix)
Max reprojection error 0.550731 (53.1042 pix)
Mean key point size 30.0346 pix
Point colors 3 bands, uint8
Key points No
Average tie point multiplicity 3.70944
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 27 seconds
Matching memory usage 156.85 MB
Alignment time 7 seconds
Alignment memory usage 13.30 MB
Optimization parameters
Parameters f, cx, cy, k1-k3, p1, p2
Adaptive camera model fitting No
Exclude corners No
Optimization time 0 seconds
Date created 2024:06:28 08:15:20
Software version 2.1.2.18358
File size 513.66 KB
Depth Maps
Count 45
Depth maps generation parameters
Quality Lowest
Filtering mode Mild
Max neighbors 16
Processing time 6 minutes 5 seconds
Memory usage 446.36 MB
Date created 2024:06:28 08:47:04
Software version 2.1.2.18358
File size 6.51 MB
Point Cloud
Points 477,170
Point attributes
Page 7
Color 3 bands, uint8
Normal
Point classes
Created (never classified) 477,170
Depth maps generation parameters
Quality Lowest
Filtering mode Mild
Max neighbors 16
Processing time 6 minutes 5 seconds
Memory usage 446.36 MB
Point cloud generation parameters
Processing time 10 seconds
Memory usage 246.99 MB
Date created 2024:06:28 08:47:15
Software version 2.1.2.18358
File size 6.29 MB
DEM
Size 841 x 743
Resolution 32.5 cm/pix
Coordinate system MAGNA-SIRGAS 2018 / Origen-Nacional (EPSG::9377)
Reconstruction parameters
Source data Point cloud
Interpolation Enabled
Processing time 1 seconds
Memory usage 10.45 MB
Date created 2024:06:28 09:20:01
Software version 2.1.2.18358
File size 1.54 MB
Orthomosaic
Size 13,455 x 11,887
Resolution 2.03 cm/pix
Coordinate system MAGNA-SIRGAS 2018 / Origen-Nacional (EPSG::9377)
Colors 3 bands, uint8
Reconstruction parameters
Blending mode Mosaic
Surface DEM
Enable hole filling Yes
Enable ghosting filter No
Processing time 1 minutes 49 seconds
Memory usage 1.15 GB
Date created 2024:06:28 09:26:12
Software version 2.1.2.18358
File size 417.10 MB
System
Software name Agisoft Metashape Professional
Software version 2.1.2 build 18358
OS Windows 64 bit
RAM 13.92 GB
CPU AMD Ryzen 5 3500U with Radeon Vega Mobile Gfx
GPU(s) None
Page 8
