Research Article
Camera Calibration for Long-Distance Photogrammetry Using Unmanned Aerial Vehicles
Table 2
Errors between reconstructed positions and ideal positions (unit: m).
| | Point number | Group 1 | Group 2 | Group 3 | Group 4 | Group 5 |
| | 6 | 12.69 | 0.39 | 8.36 | 8.68 | 3.2 | | 10 | 1.44 | 0.31 | 3.32 | 0.35 | 0.21 | | 12 | 0.16 | 0.32 | 0.11 | 0.36 | 0.19 | | 15 | 0.13 | 0.30 | 0.09 | 0.28 | 0.21 | | 20 | 0.12 | 0.28 | 0.09 | 0.22 | 0.16 | | 25 | 0.12 | 0.28 | 0.09 | 0.17 | 0.17 | | 30 | 0.11 | 0.26 | 0.08 | 0.15 | 0.15 | | 35 | 0.11 | 0.25 | 0.08 | 0.14 | 0.16 | | 40 | 0.10 | 0.22 | 0.08 | 0.13 | 0.15 |
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