Fuzzy-input fuzzy-output one-against-all support vector machines

  • Authors:
  • Christian Thiel;Stefan Scherer;Friedhelm Schwenker

  • Affiliations:
  • Institute of Neural Information Processing, University of Ulm, Ulm, Germany;Institute of Neural Information Processing, University of Ulm, Ulm, Germany;Institute of Neural Information Processing, University of Ulm, Ulm, Germany

  • Venue:
  • KES'07/WIRN'07 Proceedings of the 11th international conference, KES 2007 and XVII Italian workshop on neural networks conference on Knowledge-based intelligent information and engineering systems: Part III
  • Year:
  • 2007

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Abstract

We present a novel approach for Fuzzy-Input Fuzzy-Output classification. One-Against-All Support Vector Machines are adapted to deal with the fuzzy memberships encoded in fuzzy labels, and to also give fuzzy classification answers. The mathematical background for the modifications is given. In a benchmark application, the recognition of emotions in human speech, the accuracy of our F2-SVM approach is clearly superior to that of fuzzy MLP and fuzzy K-NN architectures.