1. School of Remote Sensing and Information Engineering, Wuhan University, Wuhan, China
2. The Key Laboratory of Natural Resources Monitoring and Supervision in Southern Hilly Region, Ministry of Natural Resources, Changsha, China
3. School of Resource and Environmental Sciences, Wuhan University, Wuhan, China
4. Collaborative Innovation Center of Geospatial Technology, Wuhan, China
5. The State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan, China