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Facial Expression Recognition using Advanced Local Binary Patterns, Tsallis Entropies and Global Appearance Features

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4 Author(s)
Shu Liao ; Lo Kwee-Seong Med. Image Anal. Lab., Hong Kong Univ. of Sci. & Technol., Kowloon, China ; Wei Fan ; Chung, A.C.S. ; Dit-Yan Yeung

This paper proposes a novel facial expression recognition approach based on two sets of features extracted from the face images: texture features and global appearance features. The first set is obtained by using the extended local binary patterns in both intensity and gradient maps and computing the Tsallis entropy of the Gabor filtered responses. The second set of features is obtained by performing null-space based linear discriminant analysis on the training face images. The proposed method is evaluated by extensive experiments on the JAFFE database, and compared with two widely used facial expression recognition approaches. Experimental results show that the proposed approach maintains high recognition rate in a wide range of resolution levels and outperforms the other alternative methods.

Published in:

Image Processing, 2006 IEEE International Conference on

Date of Conference:

8-11 Oct. 2006