1. Multimodal human–computer interaction: a survey;Jaimes;Computer Vision and Image Understanding,2007
2. Head pose estimation in computer vision: a survey;Murphy-Chutorian;IEEE Transactions on Pattern Analysis and Machine Intelligence,2009
3. Visual tracking for multimodal human computer interaction;Yang,1998
4. Detecting faces in images: a survey;Yang;IEEE Transactions on Pattern Analysis and Machine Intelligence,2002
5. Face-tracking as an augmented input in video games: enhancing presence, role-playing and control;Wang,2006