1. State Key Laboratory of Remote Sensing Science, Beijing Key Laboratory for Remote Sensing of Environment and Digital Cities, and Faculty of Geographical Science, Beijing Normal University, China
2. College of Resources and Environmental Sciences, Hunan Normal University, Changsha, Hunan, China
3. Key Laboratory of Geospatial Big Data Mining and Application, Hunan Normal University, Changsha, Hunan, China
4. Research Center of Geospatial Big Data Application, Chinese Academy of Surveying and Mapping, Beijing, China