1. Postgraduate, Geospatial Information College, Information Engineering Univ., Zhengzhou 450001, China. ORCID: .
2. Associate Professor, Geospatial Information College, Information Engineering Univ., Zhengzhou 450001, China; Associate Professor, Dept. of Geodesy, State Key Laboratory of Geo-information Engineering, Xi’an 710054, China.
3. Professor, Geospatial Information College, Information Engineering Univ., Zhengzhou 450001, China (corresponding author).
4. Lecturer, Geospatial Information College, Information Engineering Univ., Zhengzhou 450001, China.
5. Doctoral Student, Geospatial Information College, Information Engineering Univ., Zhengzhou 450001, China.
6. Postgraduate, Geospatial Information College, Information Engineering Univ., Zhengzhou 450001, China.