1. State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing, People's Republic of China
2. University of Chinese Academy of Sciences, Beijing, People's Republic of China
3. Beijing Piesat Information Technology Co., Ltd., Beijing, People's Republic of China
4. Zhejiang-CAS Application Center for Geoinformatics, Jiashan, People's Republic of China
5. School of Life Sciences, Arizona State University, Tempe, AZ, USA