1. Laboratory of Pattern Analysis and Machine Intelligence, School of Electronic and Information Engineering, Ningbo University of Technology, Ningbo 315211, China
2. Research Institute of Intelligent Engineering and Data Applications, School of Electronic and Electrical Engineering, Shanghai Institute of Technology, Shanghai 200235, China
3. State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
4. University of Chinese Academy of Sciences, Beijing 100049, China
5. Sino-Belgian Joint Laboratory of Geo-Information, Urumqi 830011, China
6. CAS Research Centre for Ecology and Environment of Central Asia, Urumqi 830011, China
7. Center for Geo-Spatial Information, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
8. School of Management, Cranfield University, Cranfield MK43 0AL, UK