1. State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan, China
2. Hubei Luojia Laboratory, Wuhan, China
3. Collaborative Innovation Center of Geospatial Technology, Wuhan University, Wuhan, China
4. National Geomatics Center of China, Beijing, China
5. School of Geomatics and Urban Spatial Information, Beijing University of Civil Engineering and Architecture, Beijing, China
6. Shanghai Weizhizhuoxin Information Technology Co. Ltd, Shanghai, China