Gaurav Garg Pramod Kumar Sharma Santanu Chaudhury Ragini Choudhury An Appearance Based Approach for Video Object Extraction and Representation. 536-539 2002 ICPR (2) http://doi.ieeecomputersociety.org/10.1109/ICPR.2002.1048358 db/conf/icpr/icpr2002-2.html#GargSCC02