Research Article

Camera Calibration for Long-Distance Photogrammetry Using Unmanned Aerial Vehicles

Table 2

Errors between reconstructed positions and ideal positions (unit: m).

Point numberGroup 1Group 2Group 3Group 4Group 5

612.690.398.368.683.2
101.440.313.320.350.21
120.160.320.110.360.19
150.130.300.090.280.21
200.120.280.090.220.16
250.120.280.090.170.17
300.110.260.080.150.15
350.110.250.080.140.16
400.100.220.080.130.15