Evaluating SPAN incremental learning for handwritten digit recognition

  • Authors:
  • Ammar Mohemmed;Guoyu Lu;Nikola Kasabov

  • Affiliations:
  • Knowledge Engineering Discovery Research Institute, Auckland University of Technology, New Zealand;Department of Information Engineering and Computer Science, University of Trento, Italy;Knowledge Engineering Discovery Research Institute, Auckland University of Technology, New Zealand,Institute for Neuroinformatics, ETH and University of Zurich, Switzerland

  • Venue:
  • ICONIP'12 Proceedings of the 19th international conference on Neural Information Processing - Volume Part III
  • Year:
  • 2012

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Abstract

In a previous work [12, 11], the authors proposed SPAN: a learning algorithm based on temporal coding for Spiking Neural Network (SNN). The algorithm trains a neuron to associate target spike patterns to input spatio-temporal spike patterns. In this paper we present the details of experiment to evaluate the feasibility of SPAN learning on a real-world dataset: classifying images of handwritten digits. As spike encoding is an important issue in using SNN for practical applications, we discuss few methods for image conversion to spike patterns. The experiment yields encouraging results to consider the SPAN learning for practical temporal pattern recognition applications.