Soo Yeong Kwak Ilkwon Park Juyong Lee Hyeran Byun Guntae Bae Automatic background substitution using monocular camera and temporal foreground probability model. 506-510 2008 ICUIMC http://doi.acm.org/10.1145/1352793.1352899 conf/icuimc/2008 db/conf/icuimc/icuimc2008.html#KwakPLBB08