Image processing and interface for retinal visual prostheses

Wentai Liu, Wolfgang Fink, Mark Tarbell, Mohanasankar Sivaprakasam

研究成果: Conference article同行評審

24 引文 斯高帕斯(Scopus)

摘要

Controlled electrical stimulation of the retina can result in visual percepts in blind patients. In contrast to the over 100,000,000 photoreceptors in a healthy retina, even hundreds of pixels/electrodes of a retinal implant may restore low-resolution vision for unaided mobility and large print reading. We describe the real-time application of image processing techniques such as contrast and brightness enhancement, grayscale histogram equalization, edge detection, and grayscale reduction, to enhance visual perception provided by a retinal implant. We discuss schemes for reducing the amount of data transmitted wirelessly to the implant, as well as the interface between the external imaging unit and retinal implant.

原文English
文章編號1465240
頁(從 - 到)2927-2930
頁數4
期刊Proceedings - IEEE International Symposium on Circuits and Systems
DOIs
出版狀態Published - 2005
事件IEEE International Symposium on Circuits and Systems 2005, ISCAS 2005 - Kobe, Japan
持續時間: 2005 5月 232005 5月 26

All Science Journal Classification (ASJC) codes

  • 電氣與電子工程

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