1. Key Laboratory of Intelligent Perception and Image Understanding of Ministry of Education, School of Artificial Intelligence, Xidian University, Xi’an, China
2. College of Computer Science and Electronics Engineering, Hunan University, Changsha, China
3. Department of Computer Science, Institute of Transportation Studies, University of California, Irvine, CA, USA
4. Zhejiang Laboratory, Hangzhou, China
5. Hubei Key Laboratory of Transportation Internet of Things, School of Computer Science and Technology, Wuhan University of Technology, Wuhan, China