Yuji Iwahori Shinya Okada Haruki Kawanaka Shinji Fukui Robert J. Woodham Particle Filter Based Tracking for Crossing of Targets with Similar Pattern. 307-310 2007 MVA http://b2.cvl.iis.u-tokyo.ac.jp/mva/proceedings/2007CD/papers/08-20.pdf conf/mva/2007 db/conf/mva/mva2007.html#IwahoriOKFW07