An effective regularization path for ν-support vector classification

  • Authors:
  • Bin Gu;Jian-Dong Wang;Yue-Cheng Yu;Guan-Sheng Zheng;Li-Na Wang

  • Affiliations:
  • Department of Computer Science and Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, P.R. China;Department of Computer Science and Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, P.R. China;Department of Computer Science and Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, P.R. China;College of Computer and Software, Nanjing University of Information Science and Technology, Nanjing, P.R. China;College of Computer and Software, Nanjing University of Information Science and Technology, Nanjing, P.R. China

  • Venue:
  • IITA'09 Proceedings of the 3rd international conference on Intelligent information technology application
  • Year:
  • 2009

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Abstract

The ν-Support Vector Classification (ν-SVC) proposed by Schölkopf et al. has the advantage of using a regularization parameter ν on controlling the number of support vectors and margin errors. However, comparing to C-SVC, its formulation is more complicated, up to now there are no effective methods on computing the regularization path for it. In this paper, we propose a new regularization path algorithm, which is designed based on a modified formulation of ν-SVC and traces the solution path with respect to the parameter ν.