Media type: E-Article Title: Boarding Time Estimation Using the Passenger Density Distribution on the Bus Contributor: Wang, Tao; Xu, Keyu; Tian, Junfang; Zhang, Jing; Gao, Ziyou; Li, Shubin imprint: Institute of Electrical and Electronics Engineers (IEEE), 2022 Published in: IEEE Transactions on Intelligent Transportation Systems Language: Not determined DOI: 10.1109/tits.2021.3124296 ISSN: 1524-9050; 1558-0016 Origination: Footnote: