Facial expression recognition using radial encoding of local Gabor features and classifier synthesis.

Wenfei Gu Cheng Xiang Y. V. Venkatesh Dong Huang Hai Lin Facial expression recognition using radial encoding of local Gabor features and classifier synthesis. 80-91 2012 45 Pattern Recognition 1 http://dx.doi.org/10.1016/j.patcog.2011.05.006 db/journals/pr/pr45.html#GuXVHL12