[1] Key Laboratory of Mine Environmental Monitoring and Improving around Poyang Lake of Ministry of Natural Resources, East China University of Technology, Nanchang,330013, China
[2] School of Surveying and Geoinformation Engineering, East China University of Technology, Nanchang,330013, China
[3] Jiangxi Province Engineering Research Center of Surveying, Mapping and Geographic Information, Nanchang,330025, China