論文

査読有り
2021年2月5日

Computational Efficiency of a Modular Reservoir Network for Image Recognition

Frontiers in Computational Neuroscience
  • Yifan Dai
  • ,
  • Hideaki Yamamoto
  • ,
  • Masao Sakuraba
  • ,
  • Shigeo Sato

15
開始ページ
594337
終了ページ
記述言語
英語
掲載種別
研究論文(学術雑誌)
DOI
10.3389/fncom.2021.594337
出版者・発行元
Frontiers Media SA

Liquid state machine (LSM) is a type of recurrent spiking network with a strong relationship to neurophysiology and has achieved great success in time series processing. However, the computational cost of simulations and complex dynamics with time dependency limit the size and functionality of LSMs. This paper presents a large-scale bioinspired LSM with modular topology. We integrate the findings on the visual cortex that specifically designed input synapses can fit the activation of the real cortex and perform the Hough transform, a feature extraction algorithm used in digital image processing, without additional cost. We experimentally verify that such a combination can significantly improve the network functionality. The network performance is evaluated using the MNIST dataset where the image data are encoded into spiking series by Poisson coding. We show that the proposed structure can not only significantly reduce the computational complexity but also achieve higher performance compared to the structure of previous reported networks of a similar size. We also show that the proposed structure has better robustness against system damage than the small-world and random structures. We believe that the proposed computationally efficient method can greatly contribute to future applications of reservoir computing.

リンク情報
DOI
https://doi.org/10.3389/fncom.2021.594337
URL
https://www.frontiersin.org/articles/10.3389/fncom.2021.594337/full
ID情報
  • DOI : 10.3389/fncom.2021.594337
  • eISSN : 1662-5188

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