Image processing methods for visual prostheses based on DSP

Huwei Liu; Ying Zhao; Yukun Tian; Qiushi Ren; Xinyu Chai

doi:10.1117/12.820579

6 March 2009 Image processing methods for visual prostheses based on DSP

Huwei Liu; Ying Zhao; Yukun Tian; Qiushi Ren; Xinyu Chai

Author Affiliations +

Proceedings Volume 7280, Seventh International Conference on Photonics and Imaging in Biology and Medicine; 728014 (2009) https://doi.org/10.1117/12.820579
Event: Photonics and Optoelectronics Meetings, 2008, Wuhan, China

Abstract

Visual prostheses for extreme vision impairment have come closer to reality during these few years. The task of this research has been to design exoteric devices and study image processing algorithms and methods for different complexity images. We have developed a real-time system capable of image capture and processing to obtain most available and important image features for recognition and simulation experiment based on DSP (Digital Signal Processor). Beyond developing hardware system, we introduce algorithms such as resolution reduction, information extraction, dilation and erosion, square (circular) pixelization and Gaussian pixelization. And we classify images with different stages according to different complexity such as simple images, medium complex images, complex images. As a result, this paper will get the needed signal for transmitting to electrode array and images for simulation experiment.

Citation Download Citation

Huwei Liu, Huwei Liu, Ying Zhao, Ying Zhao, Yukun Tian, Yukun Tian, Qiushi Ren, Qiushi Ren, Xinyu Chai, Xinyu Chai, } "Image processing methods for visual prostheses based on DSP", Proc. SPIE 7280, Seventh International Conference on Photonics and Imaging in Biology and Medicine, 728014 (6 March 2009); doi: 10.1117/12.820579; https://doi.org/10.1117/12.820579

ACCESS THE FULL ARTICLE

PERSONAL SIGN IN
Full access may be available with your subscription

Email or Username Forgot your username?

Password Forgot your password?

Show

Remember Email/Username on this computer

Remember Password

No SPIE account? Create an account
or Institutional Sign In via Shibboleth

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available

Members: $14.40

Non-members: $18.00 ADD TO CART

Show All Keywords

Keywords/Phrases

Search In:

Publication Years