1. College of Computer and Information Engineering, Xiamen University of Technology; Big Data Institute of Digital Natural Disaster Monitoring in Fujian, Xiamen University of Technology, Xiamen, China and Fujian Key Laboratory of Sensing and Computing for Smart Cities, School of Informatics, Xiamen University, Xiamen, China
2. UNISOC, Pudong New Area, Shanghai, China
3. Jiangxi Key Laboratory of Soil Erosion and Prevention; Jiangxi Institute of Soil and Water Conservation, Nanchang, Jiangxi Province, China