1. State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, China
2. School of Geodesy and Geomatics, Wuhan University, 129 Luoyu Road, Wuhan 430079, China
3. State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan 430079, China
4. School of Human Settlements and Civil Engineering, Xi’an Jiaotong University, Xi’an 710049, China