SVM-based supervised and unsupervised classification schemes

  • Authors:
  • Luminita State;Iuliana Paraschiv-Munteanu

  • Affiliations:
  • University of Pitesti, Faculty of Mathematics and Computer Science, Pitestik, Romania;University of Bucharest, Faculty of Mathematics and Computer Science, Bucharest, Romania

  • Venue:
  • WSEAS Transactions on Computers
  • Year:
  • 2010

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Abstract

The aim of the research reported is to propose a training algorithm for support vector machine based on kernel functions and to test its performance in case of non-linearly separable data. The training is based on the Sequential Minimal Optimization introduced by J.C. Platt in 1999. Several classifications schemes resulted by combining the SVM and the 2-means methods are proposed in the fifth section of the paper. A series of conclusions derived experimentally concerning the comparative analysis of the performances proved by the proposed methods are summarized in the final part of the paper. The tests were performed on samples randomly generated from Gaussian two-dimensional distributions, and on data available in Wisconsin Diagnostic Breast Cancer Database.