1. Key Laboratory of Land Consolidation in Shanxi Province, Xian, Shanxi, China
2. School of Land Engineering, Changan University, Xian, Shanxi, China
3. School of Geology Engineering and Geomatics, Changan University, Xian, Shanxi, China
4. PIESAT Information Technology Co. Ltd, Beijing, China
5. High-Tech Institute of Xian, Xian, Shanxi, China