Hyung-Ki Roh Seonghoon Kang Seong-Whan Lee Multiple People Tracking Using an Appearance Model Based on Temporal Color. 4643-4646 2000 ICPR http://csdl.computer.org/comp/proceedings/icpr/2000/0750/04/07504643abs.htm db/conf/icpr/icpr2000-4.html#RohKL00