Fig. 3

Residuals of the Hongqi-1-H9 imagery under three different terrains in latitude and longitude.x and y axes correspond to the residual values of three different areas and the corresponding residual counts, respectively
Residuals of the Hongqi-1-H9 imagery under three different terrains in latitude and longitude.x and y axes correspond to the residual values of three different areas and the corresponding residual counts, respectively