1. CAS Research Center for Ecology and Environment of Central Asia, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
2. School of Management Engineering and Business, Hebei University of Engineering, Handan 056038, China
3. Center for Geo-Spatial Information, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
4. School of Information Science and Engineering, Xiamen University, Xiamen 361005, China
5. Key Laboratory of IOT Terminal Pivotal Technology, Harbin Institute of Technology, Shenzhen 518000, China