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Recognition of Expressions on Human Face using AI Techniques

Author(s): Arpita Nagpal | Astha Garg

Journal: International Journal of Computer Science and Management Studies
ISSN 2231-5268

Volume: 11;
Issue: 02;
Start page: 165;
Date: 2011;
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Keywords: Facial Expression | Support Vector Machine | Active

Facial expressions convey non-verbal cues, which play animportant role in interpersonal relations. Facial expressionsrecognition technology helps in designing an intelligent humancomputer interfaces. This paper discusses a three phase techniquefor the facial expression recognition of the Indian faces. In thefirst phase the faces are tracked using Haar classifier in the livevideos of Indian student’s community. In the second phase 38facial feature points are detected using Active Appearance Model(AAM) technique. In the last step the support vector machine(SVM) is used to classify four primary facial expression.Integrating these broader techniques and obtaining a reasonablygood performance is a very big challenge. The performance ofthe proposed facial expressions recognizer is 82.7%.

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