1. School of Remote Sensing and Information Engineering, Wuhan University, Wuhan 430079, China
2. Hubei Luojia Laboratory, Wuhan 430079, China
3. Institute of Spatial Information Technology Application, Yangtze River Scientific Research Institute, Wuhan 430014, China
4. Yunnan Institute of Water and Hydropower Engineering Investigation, Design and Research, Kunming 650021, China
5. Honghe Prefecture Large Irrigation District Administration Bureau, Mengzi 661100, China