College of Computer Science and Hubei Key Laboratory of Intelligent Geo-Information Processing;
China University of Geosciences;
Wuhan 430074;
China;
College of Marine Science and Technology;
China University of Geosciences;
Wuhan 430074;
China;
Laboratory of Geographic Information and Spatial Analysis;
Department of Geography and Planning;
Queen's University;
Kingston ON K7L3N6;
Canada;
Faculty of Information Engineering;
China University of Geosciences;
Wuhan 430074;
China;
School of Electrical and Electronic Engineering;
Huazhong University of Science and Technology;
Wuhan 430074;
China;