1. China University of Mining and Technology, NASG Key Laboratory of Land Environment and Disaster Monitoring, Xuzhou, China
2. China University of Mining and Technology, Jiangsu Key Laboratory of Resources and Environmental Information Engineering, Xuzhou, China
3. China University of Mining and Technology, School of Environment Science and Spatial Informatics, Xuzhou, China
4. East China University of Technology, Faculty of Geomatics, Nanchang, China