Scott Keltiefjellet High Res
Reconstruction uncertainty: 10 Projection accuracy: 2.4 Reprojection error: 0.3 Dense Cloud Confidence: 5 Connected component size 99%
09 July 2024
Survey Data
Fig. 1. Camera locations and image overlap.
| Camera Model | Resolution | Focal Length | Pixel Size | Precalibrated |
| L2D-20c (12.29mm) | 5280 x 3956 | 12.29 mm | 3.36 x 3.36 μm | No |
| Test_Pro (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 L2D-20c (12.29mm).
| L2D-20c (12.29mm) |
| 80 images |
| Type | Resolution | Focal Length | Pixel Size |
| Frame | 5280 x 3956 | 12.29 mm | 3.36 x 3.36 μm |
| Value | Error | F | Cx | Cy | K1 | K2 | K3 | P1 | P2 | |
| F | 3710.43 | 0.51 | 1.00 | 0.09 | -0.76 | -0.02 | 0.04 | -0.00 | 0.02 | -0.08 |
| Cx | -24.2757 | 0.47 | 1.00 | -0.02 | -0.04 | 0.02 | 0.04 | 0.87 | 0.04 | |
| Cy | 3.42705 | 0.84 | 1.00 | -0.01 | -0.02 | 0.01 | 0.02 | 0.31 | ||
| K1 | 0.0260256 | 0.00015 | 1.00 | -0.94 | 0.88 | -0.05 | -0.11 | |||
| K2 | -0.0883783 | 0.00055 | 1.00 | -0.98 | 0.02 | 0.00 | ||||
| K3 | 0.117645 | 0.00066 | 1.00 | 0.03 | 0.02 | |||||
| P1 | 0.000402436 | 3.9e-05 | 1.00 | 0.06 | ||||||
| P2 | -0.000480874 | 2.4e-05 | 1.00 |
Table 2. Calibration coefficients and correlation matrix.
Camera Calibration
Fig. 3. Image residuals for Test_Pro (10.26mm).
| Test_Pro (10.26mm) |
| 117 images |
| Type | Resolution | Focal Length | Pixel Size |
| Frame | 5472 x 3648 | 10.26 mm | 2.41 x 2.41 μm |
| Value | Error | F | Cx | Cy | K1 | K2 | K3 | P1 | P2 | |
| F | 4340.1 | 0.49 | 1.00 | 0.09 | -0.71 | 0.10 | 0.04 | -0.04 | 0.09 | -0.23 |
| Cx | 16.7386 | 0.7 | 1.00 | -0.10 | 0.05 | -0.01 | -0.00 | 0.95 | -0.02 | |
| Cy | -51.2612 | 0.92 | 1.00 | -0.10 | 0.04 | -0.04 | -0.09 | 0.56 | ||
| K1 | 0.000541535 | 0.00017 | 1.00 | -0.91 | 0.85 | 0.05 | -0.26 | |||
| K2 | 0.0218005 | 0.00065 | 1.00 | -0.98 | -0.01 | 0.10 | ||||
| K3 | -0.0273706 | 0.00084 | 1.00 | -0.01 | -0.08 | |||||
| P1 | 0.00075292 | 5.2e-05 | 1.00 | -0.02 | ||||||
| P2 | -0.00350224 | 3.5e-05 | 1.00 |
Table 3. Calibration coefficients and correlation matrix.
Camera Locations
Fig. 4. 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) |
| 1.19357 | 2.06724 | 1.62766 | 2.38707 | 2.88918 |
Table 4. Average camera location error.
X - Longitude, Y - Latitude, Z - Altitude.
Digital Elevation Model
Fig. 5. Reconstructed digital elevation model.
Processing Parameters
| General | |
| Cameras | 197 |
| Aligned cameras | 197 |
| Coordinate system | WGS 84 (EPSG::4326) |
| Rotation angles | Yaw, Pitch, Roll |
| Tie Points | |
| Points | 3,783 of 82,082 |
| RMS reprojection error | 0.149352 (0.318011 pix) |
| Max reprojection error | 0.575092 (1.50379 pix) |
| Mean key point size | 2.11509 pix |
| Point colors | 3 bands, uint8 |
| Key points | No |
| Average tie point multiplicity | 10.6903 |
| Alignment parameters | |
| Accuracy | High |
| 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 | Yes |
| Matching time | 4 minutes 4 seconds |
| Matching memory usage | 434.33 MB |
| Alignment time | 4 minutes 49 seconds |
| Alignment memory usage | 277.17 MB |
| Optimization parameters | |
| Parameters | f, cx, cy, k1-k3, p1, p2 |
| Adaptive camera model fitting | No |
| Optimization time | 2 seconds |
| Date created | 2023:07:25 17:31:50 |
| Software version | 2.0.2.16334 |
| File size | 13.74 MB |
| Depth Maps | |
| Count | 183 |
| Depth maps generation parameters | |
| Quality | Medium |
| Filtering mode | Mild |
| Max neighbors | 16 |
| Processing time | 3 minutes 32 seconds |
| Memory usage | 1.89 GB |
| Date created | 2024:07:09 10:28:57 |
| Software version | 2.1.0.17532 |
| File size | 332.08 MB |
| Point Cloud | |
| Points | 15,365,879 |
| Point attributes | |
| Color | 3 bands, uint8 |
| Normal | |
| Confidence | 6 - 100 |
| Point classes | |
| Created (never classified) | 15,365,879 |
| Depth maps generation parameters | |
| Quality | Medium |
| Filtering mode | Mild |
| Max neighbors | 16 |
| Processing time | 3 minutes 32 seconds |
| Memory usage | 1.89 GB |
| Point cloud generation parameters | |
| Processing time | 8 minutes 51 seconds |
| Memory usage | 4.50 GB |
| Date created | 2024:07:09 10:37:49 |
| Software version | 2.1.0.17532 |
| File size | 275.43 MB |
| Model | |
| Faces | 1,977,294 |
| Vertices | 988,985 |
| Vertex colors | 3 bands, uint8 |
| Texture | 8,192 x 8,192 x 10, 4 bands, uint8 |
| Depth maps generation parameters | |
| Quality | Medium |
| Filtering mode | Mild |
| Max neighbors | 16 |
| Processing time | 3 minutes 32 seconds |
| Memory usage | 1.89 GB |
| Point cloud generation parameters | |
| Processing time | 8 minutes 51 seconds |
| Memory usage | 4.50 GB |
| Reconstruction parameters | |
| Surface type | Arbitrary |
| Source data | Point cloud |
| Interpolation | Enabled |
| Strict volumetric masks | No |
| Processing time | 4 minutes 9 seconds |
| Memory usage | 5.93 GB |
| Texturing parameters | |
| Mapping mode | Generic |
| Blending mode | Mosaic |
| Texture size | 8,192 |
| Enable hole filling | Yes |
| Enable ghosting filter | Yes |
| UV mapping time | 1 minutes 2 seconds |
| UV mapping memory usage | 2.80 GB |
| Blending time | 17 minutes 55 seconds |
| Blending memory usage | 49.05 GB |
| Date created | 2024:07:09 10:50:47 |
| Software version | 2.1.0.17532 |
| File size | 575.97 MB |
| System | |
| Software name | Agisoft Metashape Professional |
| Software version | 2.1.0 build 17532 |
| OS | Windows 64 bit |
| RAM | 127.78 GB |
| CPU | Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz |
| GPU(s) | GeForce RTX 2080 |
| Intel(R) UHD Graphics 630 |