1. Key Laboratory of Digital Earth Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, People’s Republic of China
2. University of Chinese Academy of Sciences, Chinese Academy of Sciences, Beijing, People’s Republic of China
3. Institute of Geological Survey, China University of Geosciences, Wuhan, People’s Republic of China
4. School of Computer Science, China University of Geosciences, Wuhan, People’s Republic of China