NDLI: Pictorial structure based keyparts localization for facial expression recognition using Gabor filters and Local Binary Patterns Operator

Content Provider	IEEE Xplore Digital Library
Author	Bafandehkar, A. Nazari, M. Rahat, M.
Copyright Year	2011
Description	Author affiliation: Shahid Rajaee Teacher Training University, Tehran, Iran (Nazari, M.) \|\| Shiraz University, Iran (Bafandehkar, A.) \|\| Amirkabir University of Technology, Tehran, Iran (Rahat, M.)
Abstract	In this paper, we proposed a method for facial expression recognition. Unlike other existing methods, our method is a simple and fully automatic in which firstly, the face region is detected using local SMQT features, then a Pictorial Structure model is applied to extract key parts of face (consist of left and right eye and mouth) in different facial images with very little time. Then a set of Gabor filters with different angels is applied on each part and whole face to create new representations of them. In the next step, we extract useful features of these parts and their representations using LBP operator. Afterward, Support Vector Machine classifier is adopted for each part as well as whole face and their different representations. Finally Majority voting is applied to combine the votes of adopted SVMs to classify facial expressions. The algorithm is implemented with MATLAB and experimented on JAFFE database. We obtained a facial expression recognition rate of 77.62% for person-independent that shows the effectiveness of the proposed method than other investigated algorithms such as PCA, 2DPCA, LDA and simple LBP.
Starting Page	429
Ending Page	434
File Size	693861
Page Count	6
File Format	PDF
ISBN	9781457711954
e-ISBN	9781457711961
DOI	10.1109/SoCPaR.2011.6089282
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-10-14
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Keyparts Majority Voting Face recognition SVM Support vector machines Pictorial Structure Databases Gabor Filters Facial Expression Recognition Feature extraction LBP Face Gabor filters Principal component analysis
Content Type	Text
Resource Type	Article

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