Various hyperplane classifiers using kernel feature spaces

  • Authors:
  • Kornél Kovács;András Kocsor

  • Affiliations:
  • Department of Informatics, University of Szeged H-6720 Szeged, Arpád tér 2., Hungary;Research Group on Artificial Intelligence of the Hungarian Academy of Sciences and University of Szeged, H-6720 Szeged, Aradi vértanúk tere 1., Hungary

  • Venue:
  • Acta Cybernetica
  • Year:
  • 2003

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Abstract

In this paper we introduce a new family of hyperplane classifiers. But, in contrast to Support Vector Machines (SVM) - where a constrained quadratic optimization is used - some of the proposed methods lead to the unconstrained minimization of convex functions while others merely require solving a linear System of equations. So that the efficiency of these methods could be checked, classification tests were conducted on standard databases. In our evaluation, classification results of SVM were of course used as a general point of reference, which we found were outperformed in many cases.