Systemafjellet
Dense Cloud Confidence 20-255 Filter Component Size: 99%
04 March 2022
Survey Data
Fig. 1. Camera locations and image overlap.
Camera Model | Resolution | Focal Length | Pixel Size | Precalibrated |
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 Test_Pro (10.26mm).
Test_Pro (10.26mm)
91 images
Value | Error | F | Cx | Cy | B1 | B2 | K1 | K2 | K3 | P1 | P2 | |
F | 4345.41 | 0.13 | 1.00 | -0.13 | 0.08 | -0.51 | -0.20 | 0.07 | 0.06 | -0.07 | -0.12 | 0.25 |
Cx | 6.30655 | 0.19 | 1.00 | -0.15 | 0.10 | 0.55 | -0.10 | 0.07 | -0.06 | 0.93 | -0.11 | |
Cy | -51.3155 | 0.21 | 1.00 | -0.69 | -0.08 | 0.03 | -0.04 | 0.03 | -0.15 | 0.65 | ||
B1 | 9.28225 | 0.12 | 1.00 | 0.05 | -0.16 | 0.08 | -0.05 | 0.11 | -0.42 | |||
B2 | 0.424856 | 0.1 | 1.00 | -0.01 | 0.01 | -0.01 | 0.47 | -0.09 | ||||
K1 | 0.00610391 | 5.5e-05 | 1.00 | -0.94 | 0.87 | -0.09 | -0.09 | |||||
K2 | 0.0352664 | 0.0002 | 1.00 | -0.98 | 0.06 | 0.04 | ||||||
K3 | -0.0380146 | 0.00024 | 1.00 | -0.06 | -0.04 | |||||||
P1 | -6.53618e-05 | 1.2e-05 | 1.00 | -0.10 | ||||||||
P2 | -0.00392125 | 8.3e-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) |
0.480227 | 0.551516 | 1.03071 | 0.731292 | 1.26379 |
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 | 91 |
Aligned cameras | 91 |
Coordinate system | WGS 84 (EPSG::4326) |
Rotation angles | Yaw, Pitch, Roll |
Point Cloud | |
Points | 16,765 of 26,075 |
RMS reprojection error | 0.223914 (0.576674 pix) |
Max reprojection error | 0.872073 (23.2451 pix) |
Mean key point size | 2.36718 pix |
Point colors | 3 bands, uint8 |
Key points | No |
Average tie point multiplicity | 17.3442 |
Alignment parameters | |
Accuracy | Highest |
Generic preselection | Yes |
Reference preselection | Source |
Key point limit | 40,000 |
Tie point limit | 4,000 |
Exclude stationary tie points | Yes |
Guided image matching | No |
Adaptive camera model fitting | Yes |
Matching time | 2 minutes 21 seconds |
Matching memory usage | 417.68 MB |
Alignment time | 41 seconds |
Alignment memory usage | 38.54 MB |
Optimization parameters | |
Parameters | f, cx, cy, k1-k3, p1, p2 |
Adaptive camera model fitting | Yes |
Optimization time | 2 seconds |
Software version | 1.7.3.12473 |
File size | 7.37 MB |
Depth Maps | |
Count | 91 |
Depth maps generation parameters | |
Quality | High |
Filtering mode | Mild |
Max neighbors | 100 |
Processing time | 11 minutes 6 seconds |
Memory usage | 6.24 GB |
Software version | 1.7.3.12473 |
File size | 622.19 MB |
Dense Point Cloud | |
Points | 10,139,952 |
Point colors | 3 bands, uint8 |
Depth maps generation parameters | |
Quality | High |
Filtering mode | Mild |
Max neighbors | 100 |
Processing time | 11 minutes 6 seconds |
Memory usage | 6.24 GB |
Dense cloud generation parameters | |
Processing time | 35 minutes 3 seconds |
Memory usage | 7.19 GB |
Software version | 1.7.3.12473 |
File size | 318.54 MB |
Model | |
Faces | 2,027,703 |
Vertices | 1,017,106 |
Vertex colors | 3 bands, uint8 |
Texture | 4,096 x 4,096 x 10, 4 bands, uint8 |
Depth maps generation parameters | |
Quality | High |
Filtering mode | Mild |
Max neighbors | 100 |
Processing time | 11 minutes 6 seconds |
Memory usage | 6.24 GB |
Reconstruction parameters | |
Surface type | Arbitrary |
Source data | Dense cloud |
Interpolation | Enabled |
Strict volumetric masks | No |
Processing time | 8 minutes 3 seconds |
Memory usage | 3.37 GB |
Texturing parameters | |
Mapping mode | Generic |
Blending mode | Mosaic |
Texture size | 4,096 |
Enable hole filling | Yes |
Enable ghosting filter | Yes |
UV mapping time | 3 minutes 54 seconds |
UV mapping memory usage | 3.34 GB |
Blending time | 1 minutes 6 seconds |
Blending memory usage | 5.80 GB |
Software version | 1.7.3.12473 |
File size | 269.87 MB |
Tiled Model | |
Texture | 3 bands, uint8 |
Depth maps generation parameters | |
Quality | High |
Filtering mode | Mild |
Max neighbors | 100 |
Processing time | 11 minutes 6 seconds |
Memory usage | 6.24 GB |
Reconstruction parameters | |
Source data | Dense cloud |
Tile size | 128 |
Face count | Low |
Enable ghosting filter | No |
Processing time | 44 minutes 30 seconds |
Memory usage | 3.28 GB |
Software version | 1.7.3.12473 |
File size | 584.18 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) i9-10900 CPU @ 2.80GHz |
GPU(s) | NVIDIA GeForce RTX 2080 SUPER |