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Vector-Valued Hopfield Neural Networks and Distributed Synapse Based Convolutional and Linear Time-Variant Associative Memories

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Author(s):
Garimella, Rama Murthy ; Valle, Marcos Eduardo ; Vieira, Guilherme ; Rayala, Anil ; Munugoti, Dileep
Total Authors: 5
Document type: Journal article
Source: NEURAL PROCESSING LETTERS; v. N/A, p. 20-pg., 2022-09-23.
Abstract

The Hopfield network is an example of an artificial neural network used to implement associative memories. A binary digit represents the neuron's state of a traditional Hopfield neural network. Inspired by the human brain's ability to cope simultaneously with multiple sensorial inputs, this paper presents three multi-modal Hopfield-type neural networks that treat multi-dimensional data as a single entity. In the first model, called the vector-valued Hopfield neural network, the neuron's state is a vector of binary digits. Synaptic weights are modeled as finite impulse response (FIR) filters in the second model, yielding the so-called convolutional associative memory. Finally, the synaptic weights are modeled by linear time-varying (LTV) filters in the third model. Besides their potential applications for multi-modal intelligence, the new associative memories may also be used for signal and image processing and solve optimization and classification tasks. (AU)

FAPESP's process: 19/02278-2 - Mathematical Morphology and Morphological Neural Networks for Multivalued Data
Grantee:Marcos Eduardo Ribeiro Do Valle Mesquita
Support Opportunities: Regular Research Grants