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- W2002569692 abstract "This paper presents a modification of kernel-based Fisher discriminant analysis (FDA) to design one-class classifier for detection. In detection, it is reasonable to assume images to cluster in certain way, but non face images usually do not cluster since different kinds of images are included. It is difficult to model non face images as a single distribution in the discriminant space constructed by the usual two-class FDA. Also the dimension of the discriminant space constructed by the usual two-class FDA is bounded by 1. This means that we can not obtain higher dimensional discriminant space. To overcome these drawbacks of the usual two-class FDA, the discriminant criterion of FDA is modified such that the trace of covariance matrix of class is minimized and the sum of squared errors between the average vector of class and feature vectors of non face images are maximized. By this modification a higher dimensional discriminant space can be obtained. Experiments are conducted on and non face classification using images gathered from the available databases and many images on the Web. The results show that the proposed method can outperform the support vector machine (SVM). A close relationship between the proposed kernel-based FDA and kernel-based Principal Component Analysis (PCA) is also discussed." @default.
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- W2002569692 date "2005-03-01" @default.
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- W2002569692 title "A Kernel-Based Fisher Discriminant Analysis for Face Detection" @default.
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