1. College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, Jiangsu, China
2. Jiangsu Province Engineering Research Center of Airborne Detecting and Intelligent Perceptive Technology, Geological Exploration Technology Institute of Jiangsu Province, Jiangsu, Nanjing, China
3. Anhui Provincial Key Laboratory of Multimodal Cognitive Computation, Anhui University, Hefei, Anhui, China
4. School of Computer Science, Nanjing University of Posts and Telecommunications, Nanjing, Jiangsu, China
5. Faculty of Data Science, City University of Macau, Macau, China
6. Department of Geography, The University of Hong Kong, Hong Kong, China