Boosting multi-gabor subspaces for face recognition

Authors:
QingShan Liu;HongLiang Jin;XiaoOu Tang;HanQing Lu;SongDe Ma
Affiliations:
National Lab of Pattern Recognition, Institute of Automation, Chinese Academy of Sciences;National Lab of Pattern Recognition, Institute of Automation, Chinese Academy of Sciences;Department of Information Engineering, The Chinese University of Hong Kong;Department of Information Engineering, The Chinese University of Hong Kong;Department of Information Engineering, The Chinese University of Hong Kong
Venue:
ACCV'06 Proceedings of the 7th Asian conference on Computer Vision - Volume Part I
Year:
2006

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Abstract

In this paper, we propose a new scheme of Gabor-based face recognition. Based on the fact that different Gabor filters have different properties, we first learn discriminating subspace for each kind of Gabor images respectively. Then the boosting learning is performed to fuse all the Gabor discriminating subspaces for recognition. Compared with previous work, the proposed method has three contributions: (1). We make sufficiently use of the respective properties of the Gabor filters, and learn different discriminant subspaces for different Gabor images respectively; (2). Boosting based fusing method adaptively determines the discriminating vectors and dimensionality of each subspace according to its discriminating capacity, so as to further improve the recognition performance; (3). The problem of computational complexity is well handled by subspace analysis and boosting based fusion. Extensive experiments show its encouraging performance.