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Hardware Implementation of an Inverse Function Delayed Neural Network Using Stochastic Logic
Hongge LI Yoshihiro HAYAKAWA Shigeo SATO Koji NAKAJIMA
Publication
IEICE TRANSACTIONS on Information and Systems
Vol.E89-D
No.9
pp.2572-2578 Publication Date: 2006/09/01 Online ISSN: 1745-1361
DOI: 10.1093/ietisy/e89-d.9.2572 Print ISSN: 0916-8532 Type of Manuscript: PAPER Category: Biocybernetics, Neurocomputing Keyword: inverse function delayed model, associative memory, field programmable gate array (FPGA), stochastic logic,
Full Text: PDF(583.5KB)>>
Summary:
In this paper, the authors present a new digital circuit of neuron hardware using a field programmable gate array (FPGA). A new Inverse function Delayed (ID) neuron model is implemented. The Inverse function Delayed model, which includes the BVP model, has superior associative properties thanks to negative resistance. An associative memory based on the ID model with self-connections has possibilities of improving its basin sizes and memory capacity. In order to decrease circuit area, we employ stochastic logic. The proposed neuron circuit completes the stimulus response output, and its retrieval property with negative resistance is superior to a conventional nonlinear model in basin size of an associative memory.
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