1. School of Surveying and mapping, East China University of Technology, Nanchang, China
2. State Key Laboratory of Resources and Environmental Information Systems, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China
3. Key Laboratory of Mine Environmental Monitoring and Improving around Poyang Lake, Ministry of Natural Resources, China
4. CNNC Engineering Research Center of 3D Geographic Information, East China University of Technology, Nanchang, China
5. School of Resource and Environmental Sciences, Wuhan University, Wuhan, China
6. College of Resources and Environment, University of Academy of Sciences, Beijing, China