Automatic extraction of eye and mouth fields from a face image using eigenfeatures and multilayer perceptrons. - Yeon-Sik Ryu; Se-Young Oh (Pattern Recognit., 2001)

Automatic Extraction of Eye and Mouth Fields from a Face Image Using Eigenfeatures and Ensemble Networks. - Yeon-Sik Ryu; Se-Young Oh (Appl. Intell., 2002)

Hybrid Classification for Face Recognition with Virtual Samples and Ensemble Neural Networks. - Yeon-Sik Ryu; Se-Young Oh (Intell. Autom. Soft Comput., 2002)

Simple hybrid classifier for face recognition with adaptively generated virtual data. - Yeon-Sik Ryu; Se-Young Oh (Pattern Recognit. Lett., 2002)