Suitability of two associative memory neural networks to character recognition

  • Authors:
  • Orla McEnery;Alex Cronin;Tahar Kechadi;Franz Geiselbrechtinger

  • Affiliations:
  • Department of Computer Science, University College Dublin, Belfield, Dublin 4, Ireland;Department of Computer Science, University College Dublin, Belfield, Dublin 4, Ireland;Department of Computer Science, University College Dublin, Belfield, Dublin 4, Ireland;Department of Computer Science, University College Dublin, Belfield, Dublin 4, Ireland

  • Venue:
  • AI'04 Proceedings of the 17th Australian joint conference on Advances in Artificial Intelligence
  • Year:
  • 2004

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Abstract

The aim of the current study is to assess the suitability of two Associative Memory (AM) models to character recognition problems The two AM models under scrutiny are a One-Shot AM (OSAM) and an Exponential Correlation AM (ECAM) We compare these AMs on the resultant features of their architectures, including recurrence, learning and the generation of domains of attraction We illustrate the impact of each of these features on the performance of each AM by varying the training set size, introducing noisy data and by globally transforming symbols Our results show that each system is suited to different character recognition problems.