Kolosseum
Processing Report
28 January 2022
Survey Data
Fig. 1. Camera locations and image overlap.
Camera Model | Resolution | Focal Length | Pixel Size | Precalibrated |
FC2103 (4.5mm) | 4056 x 3040 | 4.5 mm | 1.6 x 1.6 μm | No |
Table 1. Cameras.
Camera Calibration
Fig. 2. Image residuals for FC2103 (4.5mm).
FC2103 (4.5mm)
171 images
Value | Error | F | Cx | Cy | K1 | K2 | K3 | P1 | P2 | |
F | 2953.5 | 0.047 | 1.00 | -0.04 | -0.23 | -0.02 | -0.01 | 0.03 | -0.04 | 0.11 |
Cx | -24.778 | 0.04 | 1.00 | -0.01 | 0.02 | -0.01 | 0.01 | 0.72 | 0.01 | |
Cy | 3.90707 | 0.05 | 1.00 | -0.05 | 0.02 | -0.02 | 0.02 | 0.32 | ||
K1 | 0.160684 | 5e-05 | 1.00 | -0.97 | 0.92 | 0.01 | -0.04 | |||
K2 | -0.519333 | 0.00015 | 1.00 | -0.98 | -0.01 | -0.03 | ||||
K3 | 0.346009 | 0.00014 | 1.00 | 0.00 | 0.04 | |||||
P1 | -0.000868737 | 3.4e-06 | 1.00 | 0.01 | ||||||
P2 | -0.00045842 | 4.1e-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) |
6.52557 | 1.65652 | 10.8188 | 6.73254 | 12.7426 |
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 | 171 |
Aligned cameras | 170 |
Coordinate system | WGS 84 (EPSG::4326) |
Rotation angles | Yaw, Pitch, Roll |
Point Cloud | |
Points | 66,581 of 858,747 |
RMS reprojection error | 0.33765 (0.534949 pix) |
Max reprojection error | 0.699988 (2.87889 pix) |
Mean key point size | 1.59085 pix |
Point colors | 3 bands, uint8 |
Key points | No |
Average tie point multiplicity | 3.30131 |
Alignment parameters | |
Accuracy | Highest |
Generic preselection | Yes |
Reference preselection | No |
Key point limit | 60,000 |
Tie point limit | 0 |
Exclude stationary tie points | Yes |
Guided image matching | No |
Adaptive camera model fitting | No |
Matching time | 7 minutes 55 seconds |
Matching memory usage | 1.20 GB |
Alignment time | 5 minutes 55 seconds |
Alignment memory usage | 314.74 MB |
Optimization parameters | |
Parameters | f, cx, cy, k1-k3, p1, p2 |
Adaptive camera model fitting | No |
Optimization time | 21 seconds |
Software version | 1.7.2.12040 |
File size | 47.26 MB |
Depth Maps | |
Count | 78 |
Depth maps generation parameters | |
Quality | Medium |
Filtering mode | Mild |
Processing time | 2 minutes 49 seconds |
File size | 78.63 MB |
Dense Point Cloud | |
Points | 3,285,939 |
Point colors | 3 bands, uint8 |
Depth maps generation parameters | |
Quality | Medium |
Filtering mode | Mild |
Processing time | 2 minutes 49 seconds |
Dense cloud generation parameters | |
Processing time | 3 minutes 58 seconds |
Software version | 1.7.2.12040 |
File size | 84.27 MB |
Model | |
Faces | 208,556 |
Vertices | 105,831 |
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 | 2 minutes 49 seconds |
Reconstruction parameters | |
Surface type | Arbitrary |
Source data | Dense cloud |
Interpolation | Enabled |
Strict volumetric masks | No |
Processing time | 2 minutes 25 seconds |
Memory usage | 1.60 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 8 seconds |
UV mapping memory usage | 3.85 GB |
Blending time | 3 minutes 33 seconds |
Blending memory usage | 3.98 GB |
Software version | 1.7.2.12040 |
File size | 158.07 MB |
Tiled Model | |
Texture | 3 bands, uint8 |
Depth maps generation parameters | |
Quality | Medium |
Filtering mode | Mild |
Processing time | 2 minutes 49 seconds |
Reconstruction parameters | |
Source data | Dense cloud |
Tile size | 256 |
Face count | Medium |
Enable ghosting filter | No |
Processing time | 28 minutes 48 seconds |
Memory usage | 2.15 GB |
Software version | 1.7.2.12040 |
File size | 91.64 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 |