1. Beijing Key Laboratory for Sensor, School of Applied Sciences, Jianxiangqiao Campus, Beijing Information Science and Technology University, Beijing 100101, China
2. International Research Center of Big Data for Sustainable Development Goals, Beijing 100094, China
3. State Key Laboratory of Remote Sensing Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China
4. Key Laboratory of Digital Earth Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China
5. Beijing Key Laboratory for Optoelectronic Measurement Technology, Beijing Information Science & Technology University, Beijing 100192, China
6. Key Laboratory of Modern Measurement & Control Technology, Ministry of Education, Beijing Information Science & Technology University, Beijing 100192, China
7. College of Letters and Science, University of California, Santa Barbara, CA 93106, USA