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Spherical Cover Classification Algorithm Based on Manifold Dimension Reduction Space of Local and Global Mapping
Pages: 354-360
Year: Issue:  4
Journal: Pattern Recognition and Artificial Intelligence

Keyword:  Cover ClassificationManifoldLow-Dimensional SubspaceLocal and Global Regressive Mapping(LGRM);
Abstract: To explore the intrinsic structure and the low dimensional representation of high dimensional data and find explicit mapping in some manifold learning algorithms,spherical cover classification algorithm based on manifold dimension reduction space of local and global mapping is proposed. The mapping model combining local information and global information is extracted firstly. The local laplacian matrix and the global laplacian matrix are optimized separately. The low dimensional representation of training data is obtained by eigen-decomposition of the laplacian matrix. Then the low dimensional representation of testing data is obtained by kernel mapping. Finally,the spherical cover classification model in low dimensional space is constructed. Extensive experiments are conducted on MNIST dataset,Yale B face dataset and AR dataset,and the results verify the effectiveness of the proposed algorithm and its value in the application fields.
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