Fadi Dornaika Bogdan Raducanu Recognizing Facial Expressions in Videos Using a Facial Action Analysis-Synthesis Scheme. 8 2006 conf/avss/2006 AVSS http://doi.ieeecomputersociety.org/10.1109/AVSS.2006.96 db/conf/avss/avss2006.html#DornaikaR06