Facial event mining using coupled hidden markov models.

Limin Ma Qiang Zhou Mehmet Celenk David M. Chelberg Facial event mining using coupled hidden markov models. 1405-1408 2004 conf/icip/2004 ICIP http://dx.doi.org/10.1109/ICIP.2004.1419765 db/conf/icip/icip2004-2.html#MaZCC04