Please use this identifier to cite or link to this item: https://doi.org/10.1117/12.411839
Title: Emotion-independent face recognition
Authors: De Silva, L.C. 
Esther, K.G.P.
Issue Date: 2001
Source: De Silva, L.C.,Esther, K.G.P. (2001). Emotion-independent face recognition. Proceedings of SPIE - The International Society for Optical Engineering 4310 : 603-613. ScholarBank@NUS Repository. https://doi.org/10.1117/12.411839
Abstract: Current face recognition techniques tend to work well when recognizing faces under small variations in lighting, facial expression and pose, but deteriorate under more extreme conditions. In this paper, a face recognition system to recognize faces of known individuals, despite variations in facial expression due to different emotions, is developed. The eigenface approach is used for feature extraction. Classification methods include Euclidean distance, back propagation neural network and generalized regression neural network. These methods yield 100% recognition accuracy when the training database is representative, containing one image representing the peak expression for each emotion of each person apart from the neutral expression. The feature vectors used for comparison in the Euclidean distance method and for training the neural network must be all the feature vectors of the training set. These results are obtained for a face database consisting of only four persons.
Source Title: Proceedings of SPIE - The International Society for Optical Engineering
URI: http://scholarbank.nus.edu.sg/handle/10635/70159
ISSN: 0277786X
DOI: 10.1117/12.411839
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