1. School of Geography and Planning, Sun Yat-sen University, Guangzhou, China
2. School of Computer Science, China University of Geosciences, Wuhan, China
3. School of Automation Science and Engineering, South China University of Technology, Guangzhou, China
4. Hyperspectral Computing Laboratory Department of Technology of Computers and Communications, Escuela Politécnica, University of Extremadura, Cáceres, Spain
5. Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
6. Guangdong Provincial Key Laboratory of Urbanization and Geo-Simulation, Guangdong Provincial Engineering Research Center for Public Security and Disaster, School of Geography and Planning, Sun Yat-sen University, Guangzhou, China