New Multi-class Classification Method Based on the SVDD Model

New decision-making function for multi-class support vector domain description (SVDD) classifier using the conception of attraction force was proposed in this paper. As for multi-class classification problems, multiple optimized hyperspheres which described each class of dataset were constructed separately similar with in the preliminary SVDD. Then new decision-making function was proposed based on the parameters of the multi-class SVDD model with the conception of attraction force. Experimental results showed that the proposed decision-making function for multi-class SVDD classifier is more accurate than the decision-making function using local density degree.

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