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Content Provider | IEEE Xplore Digital Library |
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Author | Tabatabaei, S.M. Chalechale, A. Moghimi, S. |
Copyright Year | 2015 |
Description | Author affiliation: Dept. of Comput. Eng., Islamic Azad Univ. of Najafabad, Najafabad, Iran (Moghimi, S.) || Dept. of Comput. Eng., Razi Univ., Kermanshah, Iran (Tabatabaei, S.M.; Chalechale, A.) |
Abstract | The most expressive manner which human can reveal his emotional states is facial expression. Automatic facial expression recognition is an emerging field of study having extensive applications among which the human-computer interaction (HCI) has received lots of attentions in recent years. The features extracted from facial images, in order to recognize facial expressions, play an essential role in effectiveness of the facial image descriptors. Local binary pattern (LBP) texture descriptors have been known as simple, yet efficient descriptors which are noticeably used for extracting facial patterns from images. Recently, a generalized form of local binary pattern has been introduced which can offer a more precise image description than simple LBP descriptors. Consequently, it would be expected that taking the advantage of using these new LBP texture descriptors will produce more promising results in comparison with use of simple local binary pattern descriptors. In this paper, a novel method has been proposed for image feature extraction using these new image texture descriptors (generalized LBP); then, the obtained results have been compared to the results produced when applying simple LBP descriptors. Furthermore, K-NN and SVM have been used as classifiers in the proposed approach. Finally, a comparison between the proposed method and the existing local binary pattern algorithms for facial expression recognition concludes the superiority of the proposed algorithm over its existing counterparts. |
Starting Page | 1 |
Ending Page | 5 |
File Size | 801467 |
Page Count | 5 |
File Format | |
e-ISBN | 9781479984459 |
DOI | 10.1109/PRIA.2015.7161619 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2015-03-11 |
Publisher Place | Iran |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Support vector machines Histograms Facial expression recognition Image recognition Image analysis Face recognition Derivative local binary patterns Feature extraction Support vector machine |
Content Type | Text |
Resource Type | Article |
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