Research on the Trajectory Model for ZY-3

Table 2

The assessment of accuracy for geometric correction (unit: pixel).

Number of GCPs
46	0.0767	0.0215	0.0797
36	0.0706	0.0217	0.0739
26	0.0508	0.0146	0.0529
16	0.0725	0.0161	0.0743
10	0.0795	0.0276	0.0841