1. State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan, People’s Republic of China
2. GeoComputation Center for Social Sciences, Wuhan University, Wuhan, People’s Republic of China
3. School of Remote Sensing and Information Engineering, Wuhan University, Wuhan, People’s Republic of China
4. Key Laboratory of Advanced Public Transportation Science, Ministry of Transport, Beijing, People’s Republic of China
5. Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong