Journal of Computational Science and Technology
Online ISSN : 1881-6894
ISSN-L : 1881-6894
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Development of a System for Automatic Facial Expression Analysis
Luis A. DIAGOTetsuko KITAOKAIchiro HAGIWARA
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2008 Volume 2 Issue 4 Pages 401-412

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Abstract

Automatic recognition of facial expressions can be an important component of natural human-machine interactions. While a lot of samples are desirable for estimating more accurately the feelings of a person (e.g. likeness) about a machine interface, in real world situation, only a small number of samples must be obtained because the high cost in collecting emotions from observed person. This paper proposes a system that solves this problem conforming to individual differences. A new method is developed for facial expression classification based on the combination of Holographic Neural Networks (HNN) and Type-2 Fuzzy Logic. For the recognition of emotions induced by facial expressions, compared with former HNN and Support Vector Machines (SVM) classifiers, proposed method achieved the best generalization performance using less learning time than SVM classifiers.

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© 2008 by The Japan Society of Mechanical Engineers
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