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Automatic Expression Recognition Based on Mouth Shape Analysis

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Abstract:

This paper presents a simple approach for facial expression recognition. In the preprocessing stage, rough lips region is obtained from original face image using HSI space. Then, based on the binary image, exact lips region is located within a rectangle. To achieve this goal, PSO algorithm is applied to search for the best rectangle region. Finally, expression is estimated based on the parts ratio of lips. The simulation results show that this geometric approach is accurate and effective, even for the slightly smile.

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Periodical:

Applied Mechanics and Materials (Volumes 644-650)

Pages:

4018-4022

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.644-650.4018

Citation:

Cite this paper

Online since:

September 2014

Authors:

Zhi Jie Li, Xiao Dong Duan*, Cun Rui Wang

Keywords:

Binary Image, Expression Recognition, Face Detection, Lips Deformation, Particle Swarm Optimization (PSO)

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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