Hardware implementation of stochastic spiking neural networks |
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Authors: | Rosselló Josep L Canals Vincent Morro Antoni Oliver Antoni |
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Affiliation: | Physics Department, Universitat de les Illes Balears, Cra. Valldemossa km. 7.5, Palma de Mallorca, Balears, 07122, Spain. |
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Abstract: | Spiking Neural Networks, the last generation of Artificial Neural Networks, are characterized by its bio-inspired nature and by a higher computational capacity with respect to other neural models. In real biological neurons, stochastic processes represent an important mechanism of neural behavior and are responsible of its special arithmetic capabilities. In this work we present a simple hardware implementation of spiking neurons that considers this probabilistic nature. The advantage of the proposed implementation is that it is fully digital and therefore can be massively implemented in Field Programmable Gate Arrays. The high computational capabilities of the proposed model are demonstrated by the study of both feed-forward and recurrent networks that are able to implement high-speed signal filtering and to solve complex systems of linear equations. |
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