Gerardfjella
Processing Report
09 February 2022
Survey Data
Fig. 1. Camera locations and image overlap.
| Camera Model | Resolution | Focal Length | Pixel Size | Precalibrated |
| L1D-20c (10.26mm) | 5472 x 3648 | 10.26 mm | 2.41 x 2.41 μm | No |
Table 1. Cameras.
Camera Calibration
Fig. 2. Image residuals for L1D-20c (10.26mm).
L1D-20c (10.26mm)
199 images
| Value | Error | F | Cx | Cy | B1 | B2 | K1 | K2 | K3 | P1 | P2 | |
| F | 4333.38 | 0.08 | 1.00 | 0.04 | 0.05 | -0.72 | 0.05 | -0.06 | 0.04 | -0.03 | 0.02 | -0.14 |
| Cx | 32.2549 | 0.093 | 1.00 | -0.01 | 0.00 | 0.19 | 0.01 | -0.01 | 0.01 | 0.89 | 0.04 | |
| Cy | -60.0913 | 0.12 | 1.00 | -0.59 | 0.01 | -0.03 | -0.02 | 0.01 | -0.03 | 0.59 | ||
| B1 | 18.3115 | 0.091 | 1.00 | -0.07 | 0.03 | 0.04 | -0.04 | 0.05 | -0.08 | |||
| B2 | 25.0478 | 0.074 | 1.00 | -0.01 | -0.01 | 0.01 | -0.17 | 0.02 | ||||
| K1 | 0.00435364 | 2.5e-05 | 1.00 | -0.94 | 0.89 | 0.01 | -0.09 | |||||
| K2 | 0.0311312 | 0.0001 | 1.00 | -0.98 | -0.00 | 0.02 | ||||||
| K3 | -0.0313561 | 0.00013 | 1.00 | 0.00 | -0.02 | |||||||
| P1 | 0.000447152 | 6.6e-06 | 1.00 | 0.03 | ||||||||
| P2 | -0.0034637 | 3.7e-06 | 1.00 |
Table 2. Calibration coefficients and correlation matrix.
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 (m) | Y error (m) | Z error (m) | XY error (m) | Total error (m) |
| 1.97998 | 1.60805 | 2.02663 | 2.55071 | 3.25781 |
Table 3. Average camera location error.
X - Longitude, Y - Latitude, Z - Altitude.
Digital Elevation Model
Fig. 4. Reconstructed digital elevation model.
Processing Parameters
| General | |
| Cameras | 199 |
| Aligned cameras | 199 |
| Coordinate system | WGS 84 (EPSG::4326) |
| Rotation angles | Yaw, Pitch, Roll |
| Point Cloud | |
| Points | 60,104 of 76,674 |
| RMS reprojection error | 0.370334 (0.519916 pix) |
| Max reprojection error | 1.34184 (23.0426 pix) |
| Mean key point size | 1.34237 pix |
| Point colors | 3 bands, uint8 |
| Key points | No |
| Average tie point multiplicity | 14.7897 |
| Alignment parameters | |
| Accuracy | Highest |
| Generic preselection | No |
| Reference preselection | No |
| Key point limit | 40,000 |
| Tie point limit | 4,000 |
| Exclude stationary tie points | No |
| Guided image matching | No |
| Adaptive camera model fitting | Yes |
| Matching time | 49 minutes 54 seconds |
| Matching memory usage | 892.41 MB |
| Alignment time | 1 minutes 48 seconds |
| Alignment memory usage | 76.65 MB |
| Optimization parameters | |
| Parameters | f, b1, b2, cx, cy, k1-k3, p1, p2 |
| Adaptive camera model fitting | No |
| Optimization time | 4 seconds |
| Software version | 1.7.2.12040 |
| File size | 18.92 MB |
| Depth Maps | |
| Count | 199 |
| Depth maps generation parameters | |
| Quality | Medium |
| Filtering mode | Mild |
| Processing time | 8 minutes 40 seconds |
| Memory usage | 1.44 GB |
| Software version | 1.7.2.12040 |
| File size | 371.76 MB |
| Dense Point Cloud | |
| Points | 16,976,266 |
| Point colors | 3 bands, uint8 |
| Depth maps generation parameters | |
| Quality | Medium |
| Filtering mode | Mild |
| Processing time | 8 minutes 40 seconds |
| Memory usage | 1.44 GB |
| Dense cloud generation parameters | |
| Processing time | 17 minutes 31 seconds |
| Memory usage | 3.86 GB |
| Software version | 1.7.2.12040 |
| File size | 291.30 MB |
| Model | |
| Faces | 1,129,288 |
| Vertices | 569,795 |
| Vertex colors | 3 bands, uint8 |
| Texture | 4,096 x 4,096 x 10, 4 bands, uint8 |
| Depth maps generation parameters | |
| Quality | Medium |
| Filtering mode | Mild |
| Processing time | 8 minutes 40 seconds |
| Memory usage | 1.44 GB |
| Reconstruction parameters | |
| Surface type | Arbitrary |
| Source data | Dense cloud |
| Interpolation | Enabled |
| Strict volumetric masks | No |
| Processing time | 7 minutes 6 seconds |
| Memory usage | 8.95 GB |
| Texturing parameters | |
| Mapping mode | Generic |
| Blending mode | Mosaic |
| Texture size | 4,096 |
| Enable hole filling | Yes |
| Enable ghosting filter | Yes |
| UV mapping time | 2 minutes 39 seconds |
| UV mapping memory usage | 3.60 GB |
| Blending time | 10 minutes 25 seconds |
| Blending memory usage | 5.29 GB |
| Software version | 1.7.2.12040 |
| File size | 257.47 MB |
| Tiled Model | |
| Texture | 3 bands, uint8 |
| Depth maps generation parameters | |
| Quality | Medium |
| Filtering mode | Mild |
| Processing time | 8 minutes 40 seconds |
| Memory usage | 1.44 GB |
| Reconstruction parameters | |
| Source data | Dense cloud |
| Tile size | 256 |
| Face count | Medium |
| Enable ghosting filter | No |
| Processing time | 38 minutes 40 seconds |
| Memory usage | 2.90 GB |
| Software version | 1.7.2.12040 |
| File size | 368.51 MB |
| System | |
| Software name | Agisoft Metashape Professional |
| Software version | 1.7.2 build 12040 |
| OS | Windows 64 bit |
| RAM | 127.78 GB |
| CPU | Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz |
| GPU(s) | GeForce RTX 2080 |