Using weighted dynamic classifier selection methods in ensembles with different levels of diversity

  • Authors:
  • Anne M. P. Canuto;Diogo Fagundes;Marjory C. C. Abreu;João C. Xavier Junior

  • Affiliations:
  • (Correspd. anne@dimap.ufrn.br) Informatics and Applied Mathematics Department, Federal University of Rio Grande do Norte UFRN, Natal, RN, Brazil, 59072-970;Informatics and Applied Mathematics Department, Federal University of Rio Grande do Norte UFRN, Natal, RN, Brazil, 59072-970;Informatics and Applied Mathematics Department, Federal University of Rio Grande do Norte UFRN, Natal, RN, Brazil, 59072-970;Informatics and Applied Mathematics Department, Federal University of Rio Grande do Norte UFRN, Natal, RN, Brazil, 59072-970

  • Venue:
  • International Journal of Hybrid Intelligent Systems - Hybrid Intelligent systems in Ensembles
  • Year:
  • 2006

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Abstract

There are two main approaches to combine the output of classifiers within a multi-classifier system (MCS), which are: combination-based and selection-based methods. In selection-based methods, only one classifier is needed to correctly classify the input pattern. The choice of a classifier is typically based on the certainty of the current decision. The use of weights can be very useful for the final decision of a selection-based MCS since it can provide a confidence degree for each classifier. This paper presents the use of two confidence measures applied in three selection-based methods. The main aim of this paper is to analyze the benefits of using weights in the main selection-based methods and which confidence measure is more suitable to be used.