Robust classification of face and head gestures in video

@article{Akakin2011RobustCO,
  title={Robust classification of face and head gestures in video},
  author={Hatice Çinar Akakin and B{\"u}lent Sankur},
  journal={Image Vision Comput.},
  year={2011},
  volume={29},
  pages={470-483}
}