1. College of Surveying and Geo-Informatics, Tongji University, Shanghai, China
2. College of Surveying and Geo-Informatics, Urban Mobility Institute, Tongji University, Shanghai, China
3. College of Civil and Surveying and Mapping Engineering, Jiangxi University of Science and Technology, Ganzhou, China
4. Shanghai Research Institute for Intelligent Autonomous Systems, Tongji University, Shanghai, China