Research on Locality Preserving Discriminant Projection Algorithm Based on Gabor for Face Expression Recognition

Wei Yu Gong; Fang Xia Lu

doi:10.4028/www.scientific.net/AMM.721.766

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 721Research on Locality Preserving Discriminant...

Research on Locality Preserving Discriminant Projection Algorithm Based on Gabor for Face Expression Recognition

Abstract:

For the problem of features extraction and dimensionality reduction of expression recognition, the paper proposes Gabor Locality Preserving Discriminant Projection (GLPDP) algorithm, which is based on Gabor Wavelet. Firstly, we use Gabor wavelet transform to have an expression feature extraction. Secondly, we improved the locality preserving projection (LPP) algorithm, introducing scatter difference in the LPP objective function to increase divergence constraints among the sample classes and extracts more discriminated features while having the dimensionality reduction. Finally, we use the nearest neighbor classifier to have a classification for expression category. The effectiveness of the proposed methods is validated through the experimental results on JAFFE and Cohn-Kanade Facial expression databases.

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Periodical:

Applied Mechanics and Materials (Volume 721)

Pages:

766-770

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.721.766

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Online since:

December 2014

Authors:

Wei Yu Gong*, Fang Xia Lu

Keywords:

Divergence Constraint, Expression Recognition, Gabor Wavelet Transform, Locality Preserving Projection

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