Fjordnibba
Processing Report
31 January 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)
412 images
| Value | Error | F | Cx | Cy | B1 | B2 | K1 | K2 | K3 | P1 | P2 | |
| F | 4349.65 | 0.097 | 1.00 | 0.07 | 0.70 | -0.95 | 0.05 | -0.03 | 0.06 | -0.06 | 0.09 | 0.05 |
| Cx | 5.23627 | 0.062 | 1.00 | 0.01 | -0.06 | 0.38 | 0.01 | 0.00 | -0.00 | 0.84 | -0.10 | |
| Cy | -48.1564 | 0.097 | 1.00 | -0.84 | -0.04 | -0.02 | 0.00 | -0.00 | 0.04 | 0.55 | ||
| B1 | 0.139967 | 0.11 | 1.00 | 0.00 | 0.00 | -0.00 | 0.00 | -0.09 | -0.15 | |||
| B2 | 1.96452 | 0.051 | 1.00 | 0.01 | 0.01 | -0.01 | -0.09 | -0.02 | ||||
| K1 | 0.00582482 | 2.3e-05 | 1.00 | -0.96 | 0.90 | 0.01 | -0.07 | |||||
| K2 | 0.0296575 | 9.8e-05 | 1.00 | -0.98 | 0.01 | 0.02 | ||||||
| K3 | -0.0305395 | 0.00012 | 1.00 | -0.01 | -0.02 | |||||||
| P1 | -0.000329116 | 4.3e-06 | 1.00 | -0.11 | ||||||||
| P2 | -0.00357665 | 2.7e-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) |
| 1.65877 | 1.79583 | 2.53417 | 2.44469 | 3.52115 |
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 | 412 |
| Aligned cameras | 412 |
| Coordinate system | WGS 84 (EPSG::4326) |
| Rotation angles | Yaw, Pitch, Roll |
| Point Cloud | |
| Points | 107,526 of 155,238 |
| RMS reprojection error | 0.472352 (0.750497 pix) |
| Max reprojection error | 5.23597 (27.1251 pix) |
| Mean key point size | 1.48732 pix |
| Point colors | 3 bands, uint8 |
| Key points | No |
| Average tie point multiplicity | 15.9099 |
| 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 | 3 hours 9 minutes |
| Matching memory usage | 1.59 GB |
| Alignment time | 7 minutes 22 seconds |
| Alignment memory usage | 262.36 MB |
| Optimization parameters | |
| Parameters | f, b1, b2, cx, cy, k1-k3, p1, p2 |
| Adaptive camera model fitting | No |
| Optimization time | 10 seconds |
| Software version | 1.7.2.12040 |
| File size | 40.65 MB |
| Depth Maps | |
| Count | 412 |
| Depth maps generation parameters | |
| Quality | Medium |
| Filtering mode | Mild |
| Processing time | 20 minutes 42 seconds |
| Memory usage | 1.81 GB |
| Software version | 1.7.2.12040 |
| File size | 729.97 MB |
| Dense Point Cloud | |
| Points | 27,777,025 |
| Point colors | 3 bands, uint8 |
| Depth maps generation parameters | |
| Quality | Medium |
| Filtering mode | Mild |
| Processing time | 20 minutes 42 seconds |
| Memory usage | 1.81 GB |
| Dense cloud generation parameters | |
| Processing time | 39 minutes 22 seconds |
| Memory usage | 5.34 GB |
| Software version | 1.7.2.12040 |
| File size | 472.81 MB |
| Model | |
| Faces | 1,848,358 |
| Vertices | 930,577 |
| 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 | 20 minutes 42 seconds |
| Memory usage | 1.81 GB |
| Reconstruction parameters | |
| Surface type | Arbitrary |
| Source data | Dense cloud |
| Interpolation | Enabled |
| Strict volumetric masks | No |
| Processing time | 10 minutes 27 seconds |
| Memory usage | 14.50 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 19 seconds |
| UV mapping memory usage | 3.63 GB |
| Blending time | 44 minutes 28 seconds |
| Blending memory usage | 5.18 GB |
| Software version | 1.7.2.12040 |
| File size | 327.17 MB |
| Tiled Model | |
| Texture | 3 bands, uint8 |
| Depth maps generation parameters | |
| Quality | Medium |
| Filtering mode | Mild |
| Processing time | 20 minutes 42 seconds |
| Memory usage | 1.81 GB |
| Reconstruction parameters | |
| Source data | Dense cloud |
| Tile size | 256 |
| Face count | Medium |
| Enable ghosting filter | No |
| Processing time | 1 hours 7 minutes |
| Memory usage | 3.13 GB |
| Software version | 1.7.2.12040 |
| File size | 638.01 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 |