1. Lucas-kanade 20 years on: a unifying framework;Simon Baker;International Journal of Computer Vision,2004
2. Fast, reliable head tracking under varying illumination: an approach based on registration of texture-mapped 3d modells;Marco La Cascia;IEEE Transactions on Pattern Analysis and Machine Intelligence,2000
3. Optical flow constraints on deformable models with applications to face tracking;Douglas DeCarlo;International Journal of Computer Vision,2000
4. F. Dornaika, J. Ahlberg, Model-based head and facial motion tracking, in: 12th International Conference on Image Analysis and Processing (ICIAP), 2003.
5. G.J. Edwards, C.J. Taylor, T.F. Cootes, Learning to identify and track faces in image sequences, in: International Conference on Face and Gesture Recognition, 1998, pp. 260–265.