1. Key Laboratory of Remote Sensing and Digital Earth, Aerospace Information Research Institute, Chinese Academy of Sciences (AIRCAS), Beijing, People’s Republic of China
2. China Aero Geophysical Survey and Remote Sensing Center for Natural Resources, Beijing, People’s Republic of China
3. National Space Science Center, Chinese Academy of Sciences, Beijing, People’s Republic of China
4. Key Laboratory of Remote Sensing and Digital Earth, Faculty of Geographical Science, Jointly Sponsored by Beijing Normal University and Aerospace Information Research Institute of Chinese Academy of Sciences, Beijing Normal University, Beijing, People’s Republic of China