Constrained Maximum Likelihood Learning of Bayesian Networks for Facial Action Recognition.

Cassio Polpo de Campos Yan Tong Qiang Ji Constrained Maximum Likelihood Learning of Bayesian Networks for Facial Action Recognition. 168-181 2008 ECCV (3) http://dx.doi.org/10.1007/978-3-540-88690-7_13 conf/eccv/2008-3 db/conf/eccv/eccv2008-3.html#CamposTJ08