@inproceedings{KotsiaNikolaidisPitas_ICASSP2007, author = {I. Kotsia, N. Nikolaidis and I. Pitas}, title = {Facial Expression Recognition In Videos Using A Novel Multi-class Support Vector Machines Variant}, booktitle = {International Conference on Acoustics, Speech and Signal Processing (ICASSP)}, pages = {}, year = 2007 }