Table 7.
Results of TLS data and TLS data filtration. MAE: mean absolute error.
| REGISTRATION | First Series | Second Series | Third Series | |
| MAE [m] | 0.001 | 0.001 | 0.001 | |
| RMS [m] | 0.002 | 0.001 | 0.002 | |
| FILTRATION | Number of Elements in Point Clouds | |||
| Filtration Stage | Filtration Algorithm | First Series | Second Series | Third Series |
| - | Periodic point cloud | 48,531,393 | 53,926,203 | 24,984,892 |
| 1 | SOR filter | 45,665,543 | 49,787,683 | 24,368,852 |
| 2 | Noise filter | 43,137,503 | 47,036,862 | 22,828,872 |
| 3 | Bilateral filter | 43,053,399 | 47,020,857 | 22,828,515 |
| Percentage of the reduction of the elements of point clouds [%] | 11 | 13 | 9 | |