期刊名称：International Journal of Computer Science and Information Technologies
电子版ISSN：0975-9646
出版年度：2013
卷号：4
期号：6
页码：1029-1033
出版社：TechScience Publications
摘要：In recent year facial expression recognition system has gained much popularity in the field of security because facial expression recognition system integrates with the face recognition system make entrenched and improve its strength. Automatic recognition of facial expression achieves greater attraction of researcher and human facial expressions have the ability to communicate emotion and play a major role in the study of psychological phenomena and the progress of nonverbal communication. This paper present facial expression detection method by first skin color segmentation for detecting face and then extract facial feature like eyes and lips after finding the interest point on these facial landmark. Then drawing Bezier curve of these facial points and on the basis of changes in muscles around the eyes, nose and mouths we recognize the three basic facial expressions and achieved expected results
