1. School of Computer and Information Engineering, Henan University, Kaifeng, China
2. Henan Province Engineering Research Center of Spatial Information Processing, Kaifeng, China
3. Henan Key Laboratory of Big Data Analysis and Processing, Kaifeng, China
4. Academy for Advanced Interdisciplinary Studies, Henan University, Kaifeng, China
5. Land Satellite Remote Sensing Application Center, Ministry of Natural Resources, Beijing, China