Complex-valued multistate neural associative memory

  • Authors:
  • S. Jankowski;A. Lozowski;J. M. Zurada

  • Affiliations:
  • Inst. of Electron. Fundamentals, Warsaw Univ. of Technol.;-;-

  • Venue:
  • IEEE Transactions on Neural Networks
  • Year:
  • 1996

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Abstract

A model of a multivalued associative memory is presented. This memory has the form of a fully connected attractor neural network composed of multistate complex-valued neurons. Such a network is able to perform the task of storing and recalling gray-scale images. It is also shown that the complex-valued fully connected neural network may be considered as a generalization of a Hopfield network containing real-valued neurons. A computational energy function is introduced and evaluated in order to prove network stability for asynchronous dynamics. Storage capacity as related to the number of accessible neuron states is also estimated