School of Computer;
Wuhan University;
Wuhan 430072;
Hubei;
China;
Software College;
Northeastern University;
Shenyang 110004;
Liaoning;
China;
State Key Laboratory of Information Engineering in Surveying;
Mapping and Remote Sensing;
Wuhan University;
Wuhan 430072;
Hubei;
China;
Research Center of Spatial Information and Digital Engineering;
Wuhan University;
Wuhan 430072;
Hubei;
China;