1. State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan, People’s Republic of China
2. Collaborative Innovation Center of Geospatial Technology, Wuhan University, Wuhan, People’s Republic of China
3. Faculty of Geomatics, East China University of Technology, Nanchang, People’s Republic of China
4. School of Geography and Information Engineering, China University of Geosciences, Wuhan, People’s Republic of China