@inproceedings{BuciuKotsiaPitas_PCI2003,
 author = { I. Buciu, I. Kotsia and I.Pitas}, 
 title = {Recognition of facial expressions in presence of partial occlusion},
  booktitle = {9th Panhellenic Conference on Informatics (PCI)},
  pages = {},
   year = 2003
  }