Spiking Neural Network Using Synaptic Transistors and Neuron Circuits for Pattern Recognition With Noisy Images

We demonstrate the hardware implementation of spiking neural network (SNN) with synaptic transistors and neuron circuits. The method of conversion from software fully-connected network (FCN) to hardware SNN with little degradation is discussed. The degradation of classification accuracy is analyzed...

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Veröffentlicht in:IEEE electron device letters Jg. 39; H. 4; S. 630 - 633
Hauptverfasser: Kim, Hyungjin, Hwang, Sungmin, Park, Jungjin, Yun, Sangdoo, Lee, Jong-Ho, Park, Byung-Gook
Format: Journal Article
Sprache:Englisch
Veröffentlicht: IEEE 01.04.2018
Schlagworte:
Biological neural networks
Degradation
Denoising autoencoder (DAE)
Hardware
neuromorphic system
neuron circuit
Neurons
Noise measurement
pattern recognition
Software
spiking neural network (SNN)
synaptic device
Transistors
ISSN:0741-3106, 1558-0563
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Zusammenfassung:We demonstrate the hardware implementation of spiking neural network (SNN) with synaptic transistors and neuron circuits. The method of conversion from software fully-connected network (FCN) to hardware SNN with little degradation is discussed. The degradation of classification accuracy is analyzed in terms of device variation and noisy images. In addition, the accuracy degradation is significantly improved by stacking denoising autoencoder (DAE) layer. FCN–SNN conversion with very little performance drop is demonstrated using weight normalization, and SNN with DAE layer shows a great tolerance to input image noise.
ISSN:0741-3106
1558-0563
DOI:10.1109/LED.2018.2809661