Simon Clippingdale Mahito Fujii Face Recognition for Video Indexing: Randomization of Face Templates Improves Robustness to Facial Expression. 32-40 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2849&spage=32 2003 conf/vlbv/2003 VLBV db/conf/vlbv/vlbv2003.html#ClippingdaleF03