Help-Training for semi-supervised support vector machines

  • Authors:
  • Mathias M. Adankon;Mohamed Cheriet

  • Affiliations:
  • Synchromedia Laboratory for Multimedia Communication in Telepresence, íTS, 1100 Notre Dame-Ouest, Montréal, Canada H3C 1K3;Synchromedia Laboratory for Multimedia Communication in Telepresence, íTS, 1100 Notre Dame-Ouest, Montréal, Canada H3C 1K3

  • Venue:
  • Pattern Recognition
  • Year:
  • 2011

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Abstract

In this paper, we propose to reinforce the Self-Training strategy in semi-supervised mode by using a generative classifier that may help to train the main discriminative classifier to label the unlabeled data. We call this semi-supervised strategy Help-Training and apply it to training kernel machine classifiers as support vector machines (SVMs) and as least squares support vector machines. In addition, we propose a model selection strategy for semi-supervised training. Experimental results on both artificial and real problems demonstrate that Help-Training outperforms significantly the standard Self-Training. Moreover, compared to other semi-supervised methods developed for SVMs, our Help-Training strategy often gives the lowest error rate.