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Neuromorphic Hardware Architecture Using the Neural Engineering Framework for Pattern Recognition

delete2017-06-01
delete37
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OA
AI
R
Runchun Wang *
C
Chetan Singh Thakur
G
Gregory Cohen
T
Tara Julia Hamilton
J
Jonathan Tapson
A
André van Schaik
DOI:10.1109/TBCAS.2017.2666883delete
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Abstract

Abstract

En 中文
We present a hardware architecture that uses the neural engineering framework (NEF) to implement large-scale neural networks on field programmable gate arrays (FPGAs) for performing massively parallel real-time pattern recognition. NEF is a framework that is capable of synthesising large-scale cognitive systems from subnetworks and we have previously presented an FPGA implementation of the NEF that successfully performs non linear mathematical computations. That work was developed based on a compact digital neural core, which consists of 64 neurons that are instantiated by a single physical neuron using a time multiplexing approach. We have now scaled this approach up to build a pattern recognition system by combining identical neural cores together. As a proof of concept, we have developed a handwritten digit recognition system using the MNIST database and achieved a recognition rate of 96.55%. The system is implemented on a state-of-the-art FPGA and can process 5.12 million digits per second. The architecture and hardware optimisations presented offer high-speed and resource-efficient means for performing highspeed, neuromorphic, and massively parallel pattern recognition and classification tasks.
Keywords:
MNIST
neuromorphic engineering
neural engineering framework
pattern recognition
pseudo inverse
time-multiplexing
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Journal

IEEE Transactions on Circuits and Systems I-Regular Papers cover
IEEE Transactions on Circuits and Systems I-Regular Papers
IF:
5.2
Papers:
9.7K
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J
Johns Hopkins University
Scholars:
10.2W
Papers: 8.8W
Citations: 13.0W
W
western sydney university
Scholars:
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Papers: 1.1W
Citations: 16