1. School of Remote Sensing and Information Engineering, Wuhan University, Wuhan, China
2. State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan, China
3. Hubei Luojia Laboratory, Wuhan, China
4. Institute of Artificial Intelligence in Geomatics, Wuhan University, Wuhan, China
5. Data Center, Shenyang Surveying and Mapping Institute Co., Ltd, Shenyang, China