Dirichlet-tree distribution enhanced random forests for facial feature detection. - Yuanyuan Liu; Jingying Chen; Cunjie Shan (ICIP, 2014)

A Hierarchical Regression Approach for Unconstrained Face Analysis. - Yuanyuan Liu; Jingying Chen; Cunjie Shan; Zhiming Su; Pei Cai (Int. J. Pattern Recognit. Artif. Intell., 2015)