1. School of Computer Science, China University of Geosciences, Wuhan 430074, China
2. Hubei Key Laboratory of Intelligent Geo-Information Processing, China University of Geosciences, Wuhan 430074, China
3. Xinjiang Key Laboratory of Mineral Resources and Digital Geology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
4. Institute of Space Science and Applied Technology, Harbin Institute of Technology, Shenzhen 518055, China
5. Academy for Advanced Interdisciplinary Studies, Peking University, Beijing 100088, China