1. School of Remote Sensing and Geomatics Engineering, Nanjing University of Information Science and Technology, Nanjing, China
2. School of Computer Science, Nanjing University of Information Science and Technology, Nanjing, China
3. Beijing Key Laboratory for Remote Sensing of Environment and Digital Cities, Faculty of Geographical Science, Beijing Normal University, Beijing, China
4. Univ. Grenoble Alpes, CNRS, Grenoble INP, GIPSA-Lab, Grenoble, France