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

Table 2

Sample of horizontal distortion in buildings with height of 91–120 m.

Type of DSM	Horizontal distortion
Original image prior to orthorectification	13.5–14.5
DSM 30 cm	1.31–1.4
DSM 50 cm	1.41–1.6
DSM 1 m	2.51–3.00
DSM 2 m	3.51–4.00
DSM 3 m	5.01–5.8
DSM 5 m	8.01–10.00
DSM 10 m	9.41–11.30
DSM 15 m	10.61–12.20
DSM 20 m	10.81–12.40