期刊
IEEE ACCESS
卷 4, 期 -, 页码 8375-8385出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/ACCESS.2016.2628407
关键词
Facial emotion recognition; facial expression; biorthogonal wavelet entropy; support vector machine; fuzzy logic
资金
- NSFC [61602250, 61503195, 61462064, 61203243, 61402231, 61603192, 61272077]
- Natural Science Foundation of Jiangsu Province [BK20150983, BK20161580]
- Program of Natural Science Research of Jiangsu Higher Education Institutions [16KJB520025, 16KJB520020, 15KJB470010, 15KJB520018, 2KJA63001]
- Open Project Program of the State Key Laboratory of CADAMP
- CG, Zhejiang University [A1616]
- Open Research Fund of Key Laboratory of Network Crime Investigation of Hunan Provincial College [2015HNWLFZ058]
Emotion recognition represents the position and motion of facial muscles. It contributes significantly in many fields. Current approaches have not obtained good results. This paper aimed to propose a new emotion recognition system based on facial expression images. We enrolled 20 subjects and let each subject pose seven different emotions: happy, sadness, surprise, anger, disgust, fear, and neutral. Afterward, we employed biorthogonal wavelet entropy to extract multiscale features, and used fuzzy multiclass support vector machine to be the classifier. The stratified cross validation was employed as a strict validation model. The statistical analysis showed our method achieved an overall accuracy of 96.77 +/- 0.10%. Besides, our method is superior to three state-of-the-art methods. In all, this proposed method is efficient.
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