Orthorectification of WorldView-3 Satellite Image Using Airborne Laser Scanning Data

Table 1

Summary of residual errors of GCPs for orthoimages (unit: meter).

Warp image and DSM	Orthorectified image	RMSE
WorldView-3 and DSM 31 cm		0.638
WorldView-3 and DSM 50 cm		0.764
WorldView-3 and DSM 1 m		1.302
WorldView-3 and DSM 2 m		1.718
WorldView-3 and DSM 3 m		2.106
WorldView-3 and DSM 5 m		3.26
WorldView-3 and DSM 10 m		5.529
WorldView-3 and DSM 15 m		6.501
WorldView-3 and DSM 20 m		7.175
WorldView-3 and free DEM 30 m		7.947