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Hierarchical Ensemble of Global and Local Classifiers for Face Recognition
Rio de Janeiro, Brazil October 14-October 21
DOI Bookmark: http://doi.ieeecomputersociety.org/10.1109/ICCV.2007.44090602007 IEEE 11th International Conferen ...
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Yu Su, School of Computer Science and Technology, Harbin Institute of Technology, Harbin, China; Digital Media Research Center, Institute of Computing Technology, CAS, Beijing, China. ysu
Shiguang Shan, Digital Media Research Center, Institute of Computing Technology, CAS, Beijing, China; Key Laboratory of Intelligent Information Processing, Chinese Academy of Sciences, Beijing, C
Xilin Chen, Digital Media Research Center, Institute of Computing Technology, CAS, Beijing, China; Key Laboratory of Intelligent Information Processing, Chinese Academy of Sciences, Beijing, C
Wen Gao, School of Computer Science and Technology, Harbin Institute of Technology, Harbin, China; Digital Media Research Center, Institute of Computing Technology, CAS, Beijing, China. wga
In the literature of psychophysics and neurophysiology, many studies have shown that both global and local features are crucial for face representation and recognition. This paper proposes a novel face recognition method which combines both global and local discriminative features. In this method, global features are extracted from whole face images by Fourier transform and local features are extracted from some spatially partitioned image patches by Gabor wavelet transform. After this, multiple classifiers are obtained by applying Fisher Discriminant Analysis on global Fourier features and local patches of Gabor features. All these classifiers are combined to form a hierarchical ensemble by sum rule. We evaluated the proposed method using Face Recognition Grand Challenge (FRGC) experimental protocols and database known as the largest data sets available. Experimental results on FRGC version 2.0 data set have shown that the proposed method achieves a verification rate of 86%, while the best reported was 76%.
Citation:
Yu Su, Shiguang Shan, Xilin Chen, Wen Gao, "Hierarchical Ensemble of Global and Local Classifiers for Face Recognition," iccv, pp.1-8, 2007 IEEE 11th International Conference on Computer Vision, 2007
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