Digital Implementation of the Retinal Spiking Neural Network under Light Stimulation

Shuangming Yang, Jiang Wang, Bin Deng, Huiyan Li, Yanqiu Che

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The visual system is one of the most important pathways of obtaining information for human being and other animals. The retina is responsible for initial processing of visual information and transmitting signals to the second processing system by using the spiking activity patterns. This paper implements a retinal spiking neural network based on field-programmable gate array (FPGA), and uses different scopes of light stimulation to stimulate the digital retinal network and induce different spiking activities. The retina neural network contains 96 neurons, which uses Hodgkin-Huxley type neuron model to build neural network using three-layer feedforward neural network structure. The neural network is implemented using Cyclone IV EP4CE115 FPGA, and uses OV7620 camera to obtain external signals. The state machine control the input information of the retina system, and the firing patterns are finally displayed on oscilloscope device. Experimental results show that the proposed digital retinal network can generate the dual-peak response of the retinal ganglion cells. This work is meaningful for the design of the retina prostheses and is helpful for the investigation of the underlying mechanisms of the retinal activities.

Original languageEnglish (US)
Title of host publication9th International IEEE EMBS Conference on Neural Engineering, NER 2019
PublisherIEEE Computer Society
Pages542-545
Number of pages4
ISBN (Electronic)9781538679210
DOIs
StatePublished - May 16 2019
Event9th International IEEE EMBS Conference on Neural Engineering, NER 2019 - San Francisco, United States
Duration: Mar 20 2019Mar 23 2019

Publication series

NameInternational IEEE/EMBS Conference on Neural Engineering, NER
Volume2019-March
ISSN (Print)1948-3546
ISSN (Electronic)1948-3554

Conference

Conference9th International IEEE EMBS Conference on Neural Engineering, NER 2019
CountryUnited States
CitySan Francisco
Period3/20/193/23/19

Fingerprint

Neural networks
Neurons
Field programmable gate arrays (FPGA)
Feedforward neural networks
Processing
Prosthetics
Animals
Cameras

All Science Journal Classification (ASJC) codes

  • Artificial Intelligence
  • Mechanical Engineering

Cite this

Yang, S., Wang, J., Deng, B., Li, H., & Che, Y. (2019). Digital Implementation of the Retinal Spiking Neural Network under Light Stimulation. In 9th International IEEE EMBS Conference on Neural Engineering, NER 2019 (pp. 542-545). [8716932] (International IEEE/EMBS Conference on Neural Engineering, NER; Vol. 2019-March). IEEE Computer Society. https://doi.org/10.1109/NER.2019.8716932
Yang, Shuangming ; Wang, Jiang ; Deng, Bin ; Li, Huiyan ; Che, Yanqiu. / Digital Implementation of the Retinal Spiking Neural Network under Light Stimulation. 9th International IEEE EMBS Conference on Neural Engineering, NER 2019. IEEE Computer Society, 2019. pp. 542-545 (International IEEE/EMBS Conference on Neural Engineering, NER).
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Yang, S, Wang, J, Deng, B, Li, H & Che, Y 2019, Digital Implementation of the Retinal Spiking Neural Network under Light Stimulation. in 9th International IEEE EMBS Conference on Neural Engineering, NER 2019., 8716932, International IEEE/EMBS Conference on Neural Engineering, NER, vol. 2019-March, IEEE Computer Society, pp. 542-545, 9th International IEEE EMBS Conference on Neural Engineering, NER 2019, San Francisco, United States, 3/20/19. https://doi.org/10.1109/NER.2019.8716932

Digital Implementation of the Retinal Spiking Neural Network under Light Stimulation. / Yang, Shuangming; Wang, Jiang; Deng, Bin; Li, Huiyan; Che, Yanqiu.

9th International IEEE EMBS Conference on Neural Engineering, NER 2019. IEEE Computer Society, 2019. p. 542-545 8716932 (International IEEE/EMBS Conference on Neural Engineering, NER; Vol. 2019-March).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Yang S, Wang J, Deng B, Li H, Che Y. Digital Implementation of the Retinal Spiking Neural Network under Light Stimulation. In 9th International IEEE EMBS Conference on Neural Engineering, NER 2019. IEEE Computer Society. 2019. p. 542-545. 8716932. (International IEEE/EMBS Conference on Neural Engineering, NER). https://doi.org/10.1109/NER.2019.8716932