1. National Engineering Research Center of Geographic Information System, China University of Geosciences (Wuhan), Wuhan 430078, China
2. China State Shipbuilding Corporation 722 Research Institute, Wuhan 430205, China
3. School of Computer Science, China University of Geosciences (Wuhan), Wuhan 430078, China
4. School of Computer Science and Artificial Intelligence, Wuhan Textile University, Wuhan 430200, China
5. Hubei Key Laboratory of Intelligent Geo-Information Processing, China University of Geosciences (Wuhan), Wuhan 430078, China