@techreport{weko_209588_1,
   author	 = "Wenhao,Huang and Akira,Tsuge and Yin,Chen and Tadashi,Okoshi and Jin,Nakazawa",
   title	 = "Bus Crowdedness Sensing Based on Deep Learning",
   year 	 = "2021",
   institution	 = "Keio University, Keio University, Keio University, Keio University, Keio University",
   number	 = "1",
   month	 = "feb"
}