1. Department of Remote Sensing Science and Technology, School of Electronic Engineering, Xidian University, Xi’an, China
2. CNRS, Bordeaux Institute of Technology (Bordeaux INP), IMB, UMR 5251, University of Bordeaux, Talence, France
3. Key Laboratory of Digital Earth Science, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing, China
4. Academy of Advanced Interdisciplinary Research, Xidian University, Xi’an, China