1. State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, and Collaborative Innovation Center of Geospatial Technology, Wuhan, China
2. Department of Geography, Hong Kong Baptist University
3. Shenzhen Key Laboratory of Spatial Smart Sensing and Services, Shenzhen University
4. Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University
5. Department of Geography, University of Tennessee