Extrapolative Location of High Resolution Remote Sensing Imageries

According to the orbital dynamical model and the kinematics model of satellite attitude, this paper developes an extrapolative location model. Testing the model on CBERS-2 high resolution satellite imageries of central China, when the depth of extrapolation is 480 km, the planimetric precision is 96.636 m including the measurement errors as well as the modeling error over than the 568 m which is the planimetric precision of systematic rectification. Thus, the validity of extrapolative location model is verified. The results show that the potential of using this model for rectifying other high resolution remote sensing imageries and object location on the condition of being short of ground control points.