作者
Jason Kamran Eshraghian, Kyoungrok Cho, Ciyan Zheng, Minho Nam, Herbert Ho-Ching Iu, Wen Lei, Kamran Eshraghian
发表日期
2018/5/7
期刊
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
卷号
26
期号
12
页码范围
2816-2829
出版商
IEEE
简介
The development of a bioinspired image sensor, which can match the functionality of the vertebrate retina, has provided new opportunities for vision systems and processing through the realization of new architectures. Research in both retinal cellular systems and nanodriven memristive technology has made a challenging arena more accessible to emulate features of the retina that are closer to biological systems. This paper synthesizes the signal flow path of photocurrent throughout a retina in a scalable 180-nm CMOS technology, which initiates at a 128 × 128 active pixel image sensor, and converges to a 16 × 16 array, where each node emits a spike train synonymous to the function of the retinal ganglionic output cell. This signal can be sent to the visual cortex for image interpretation as part of an artificial vision system. Layers of memristive networks are used to emulate the functions of horizontal and amacrine …
引用总数
2019202020212022202320247131511105
学术搜索中的文章
JK Eshraghian, K Cho, C Zheng, M Nam, HHC Iu… - IEEE Transactions on Very Large Scale Integration …, 2018