Optimizing Nearest Neighbour in Random Subspaces using a Multi-Objective Genetic Algorithm

  • Authors:
  • Guillaume Tremblay;Robert Sabourin;Patrick Maupin

  • Affiliations:
  • École de technologie supérieure, Montréal, Canada;École de technologie supérieure, Montréal, Canada;Defence Research and Development Canada, Valcartier, Canada

  • Venue:
  • ICPR '04 Proceedings of the Pattern Recognition, 17th International Conference on (ICPR'04) Volume 1 - Volume 01
  • Year:
  • 2004

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Abstract

In this work, the authors have evaluated almost 20 millions ensembles of classifiers generated by several methods. Trying to optimize those ensembles based on the nearest neighbours and the random subspaces paradigms, we found that the use of a diversity metric called "ambiguity" had no better positive impact than plain stochastic search.