Sandsteinfjellet
Dense cloud confidence 3-255 Connected component size 99%
23 February 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)
161 images
Value | Error | F | Cx | Cy | B1 | B2 | K1 | K2 | K3 | P1 | P2 | |
F | 4344.37 | 0.15 | 1.00 | -0.02 | 0.19 | -0.70 | 0.11 | -0.02 | 0.07 | -0.05 | 0.02 | 0.07 |
Cx | 41.6592 | 0.25 | 1.00 | -0.05 | 0.08 | 0.29 | 0.01 | 0.00 | -0.00 | 0.96 | -0.12 | |
Cy | -59.4375 | 0.18 | 1.00 | -0.46 | -0.09 | 0.00 | -0.00 | 0.01 | -0.04 | 0.64 | ||
B1 | 7.50966 | 0.16 | 1.00 | 0.11 | -0.04 | 0.04 | -0.05 | 0.03 | -0.10 | |||
B2 | 31.1337 | 0.14 | 1.00 | -0.02 | 0.03 | -0.03 | 0.19 | -0.01 | ||||
K1 | 0.00519537 | 7.4e-05 | 1.00 | -0.95 | 0.88 | 0.01 | -0.09 | |||||
K2 | 0.0173103 | 0.00032 | 1.00 | -0.98 | 0.00 | 0.05 | ||||||
K3 | -0.0245884 | 0.00042 | 1.00 | 0.00 | -0.05 | |||||||
P1 | 0.0015034 | 1.7e-05 | 1.00 | -0.12 | ||||||||
P2 | -0.00382349 | 7.3e-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) |
0.879589 | 1.43176 | 1.85067 | 1.68036 | 2.49972 |
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 | 161 |
Aligned cameras | 161 |
Coordinate system | WGS 84 (EPSG::4326) |
Rotation angles | Yaw, Pitch, Roll |
Point Cloud | |
Points | 53,112 of 75,510 |
RMS reprojection error | 0.568027 (1.17982 pix) |
Max reprojection error | 2.20036 (48.397 pix) |
Mean key point size | 2.10069 pix |
Point colors | 3 bands, uint8 |
Key points | No |
Average tie point multiplicity | 10.7841 |
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 | 5 minutes 9 seconds |
Matching memory usage | 601.95 MB |
Alignment time | 7 minutes 5 seconds |
Alignment memory usage | 58.35 MB |
Optimization parameters | |
Parameters | f, cx, cy, k1-k3, p1, p2 |
Adaptive camera model fitting | Yes |
Optimization time | 8 seconds |
Software version | 1.7.3.12473 |
File size | 13.88 MB |
Depth Maps | |
Count | 161 |
Depth maps generation parameters | |
Quality | High |
Filtering mode | Mild |
Max neighbors | 100 |
Processing time | 28 minutes 40 seconds |
Memory usage | 7.13 GB |
Software version | 1.7.3.12473 |
File size | 1.11 GB |
Dense Point Cloud | |
Points | 37,163,291 |
Point colors | 3 bands, uint8 |
Depth maps generation parameters | |
Quality | High |
Filtering mode | Mild |
Max neighbors | 100 |
Processing time | 28 minutes 40 seconds |
Memory usage | 7.13 GB |
Dense cloud generation parameters | |
Processing time | 1 hours 37 minutes |
Memory usage | 10.81 GB |
Software version | 1.7.3.12473 |
File size | 753.52 MB |
Model | |
Faces | 2,467,531 |
Vertices | 1,239,069 |
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 | 28 minutes 40 seconds |
Memory usage | 7.13 GB |
Reconstruction parameters | |
Surface type | Arbitrary |
Source data | Dense cloud |
Interpolation | Enabled |
Strict volumetric masks | No |
Processing time | 13 minutes 22 seconds |
Memory usage | 20.61 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 57 seconds |
UV mapping memory usage | 3.37 GB |
Blending time | 6 minutes 34 seconds |
Blending memory usage | 5.33 GB |
Software version | 1.7.2.12040 |
File size | 303.17 MB |
Tiled Model | |
Texture | 3 bands, uint8 |
Depth maps generation parameters | |
Quality | High |
Filtering mode | Mild |
Max neighbors | 100 |
Processing time | 28 minutes 40 seconds |
Memory usage | 7.13 GB |
Reconstruction parameters | |
Source data | Dense cloud |
Tile size | 256 |
Face count | Medium |
Enable ghosting filter | No |
Processing time | 1 hours 8 minutes |
Memory usage | 2.07 GB |
Software version | 1.7.2.12040 |
File size | 203.78 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 |