1. The Key Laboratory of Digital Earth Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, People’s Republic of China
2. Sichuan Provincial Key Laboratory of Information Coding and Transmission, Southwest Jiaotong University, Chengdu, People’s Republic of China
3. Center of Information and Communication Technologies, Fondazione Bruno Kessler, Trento, Italy
4. Research Center for Space Optical Engineering, Harbin Institute of Technology, Harbin, People’s Republic of China
5. Department of Information Engineering and Computer Science, University of Trento, Trento, Italy