Learning Classification RBF Networks by Boosting

  • Authors:
  • Juan J. Rodríguez Diez;Carlos Alonso González

  • Affiliations:
  • -;-

  • Venue:
  • MCS '01 Proceedings of the Second International Workshop on Multiple Classifier Systems
  • Year:
  • 2001

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Abstract

This work proposes a novel method for constructing RBF networks, based on boosting. The task assigned to the base learner is to select a RBF, while the boosting algorithm combines linearly the different RBFs. For each iteration of boosting a new neuron is incorporated into the network. The method for selecting each RBF is based on randomly selecting several examples as the centers, considering the distances to these center as attributes of the examples and selecting the best split on one of these attributes. This selection of the best split is done in the same way than in the construction of decision trees. The RBF is computed from the center (attribute) and threshold selected. This work is not about using RBFNs as base learners for boosting, but about constructing RBFNs by boosting.