1. State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan, China
2. Collaborative Innovation Center of Geospatial Technology, Wuhan University, Wuhan, China
3. Center for Geographic Analysis, Harvard University, Cambridge, MA, USA
4. Department of Informatics, New Jersey Institute of Technology, Newark, NJ, USA
5. Intelligent Transportation System Research Center, Wuhan University of Technology, Wuhan, China
6. University of Michigan, Ann Arbor, USA
7. Geography Science and Planning School, Guangxi Normal University, Nanning, China
8. Key Laboratory of Environment Change and Resources Use in Beibu Gulf, Guangxi Teachers Education University, Nanning, China