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It is known to all that obtaining an effectual feature representation is of paramount importance to face recognition. In this paper, the latest feature extraction method based on KCCA is introduced. However, in the training stage of the standard KCCA-based extractor, it requires to store and manipulate the kernel matrix, the size of which is square of the number of samples. When the sample numbers...
Spectral clustering is a new graph and similarity based clustering algorithm. When the image is too big, it will take a long time to compute affinity matrix and its eigenvalues and eigenvectors. In order to improve the convergent speed of spectral clustering, a two-stage texture segmentation algorithm is proposed in this paper. First, an improved watershed algorithm is used to perform pre-segmentation...
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