@inproceedings{BuciuKotsiaPitas_ICASSP2005,
 author = { I. Buciu, I. Kotsia and I.Pitas}, 
 title = {Facial expression analysis under partial occlusion},
  booktitle = {IEEE International Conference on Acoustics, Speech and Signal Processing, (ICASSP)},
  pages = {},
   year = 2005
  }