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Stochastic Computing Max & Min Architectures Using Markov Chains: Design, Analysis, and Implementation | IEEE Journals & Magazine | IEEE Xplore

Stochastic Computing Max & Min Architectures Using Markov Chains: Design, Analysis, and Implementation


Abstract:

Max & min architectures for stochastic computing (SC) are introduced. Their key characteristic is the utilization of an accumulator to store the signed difference between...Show More

Abstract:

Max & min architectures for stochastic computing (SC) are introduced. Their key characteristic is the utilization of an accumulator to store the signed difference between the two inputs, without randomizing sources. This property results in fast-converging and highly accurate computations using short sequence lengths, improving on the latency–accuracy tradeoff of existing SC max–min architectures. The operation of the proposed architectures is modeled using Markov Chains, resulting in in-depth analysis, the derivation of their statistical properties, and guidelines for selecting the register’s size to achieve overall design optimization. The computational accuracy and the hardware requirements of the proposed architectures are compared to those of existing ones in the SC literature, using MATLAB and Synopsys Tools. The efficacy of the proposed architectures is demonstrated by realizing a 3 \times 3 median filter and using it in an image processing application.
Page(s): 1813 - 1823
Date of Publication: 07 October 2021

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