1. College of Mechanical and Control Engineering, Guangxi Key Laboratory of Spatial Information and Geomatics, and the College of Geomatics and Geoinformation, Guilin University of Technology, Guilin, China
2. College of Mechanical and Control Engineering and Guangxi Key Laboratory of Spatial Information and Geomatics, Guilin University of Technology, Guilin, China
3. College of Physics and Electronic Information Engineering, Guilin University of Technology, Guilin, China
4. Guangxi Key Laboratory of Spatial Information and Geomatics and the College of Mechanical and Control Engineering, Guilin University of Technology, Guilin, China
5. College of Geomatics and Geoinformation, Guilin University of Technology, Guilin, China
6. College of Mathematics and Statistics, Guilin University of Technology, Guilin, China
7. Guangxi Key Laboratory of Special Engineering Equipment and Control, Guilin University of Aerospace Technology, Guilin, China
8. International Business Department, South Surveying & Mapping Technology Co., Ltd., Guangzhou, China