Letters: Two-dimensional nearest neighbor discriminant analysis

Authors:
Xipeng Qiu;Lide Wu
Affiliations:
Department of Computer Science and Engineering, Fudan University, China;Department of Computer Science and Engineering, Fudan University, China
Venue:
Neurocomputing
Year:
2007

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Abstract

Recently, some feature extraction methods have been developed by representing images with matrix directly, however few of them are proposed to improve accuracy of classification directly. In this paper, a novel feature extraction method, two-dimensional nearest neighbor discriminant analysis (2DNNDA), is proposed from the view of the nearest neighbor classification, which makes use of the matrix representation of images. We apply 2DNNDA to face recognition and the results demonstrate that 2DNNDA outperforms the conventional methods.