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Paper Abstract and Keywords
Presentation 2010-03-11 13:20
Phosphene simulation induced by electrical stimulation on visual cortex
Hirotsugu Okuno, Masaru Matsuoka, Tamas Fehervari, Tetsuya Yagi (Osaka Univ.) NC2009-149
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, there is an increasing number of researches and clinical trials of visual prosthesis conducted all over the world. For a better understanding of the perceptual and psychophysical aspects of prosthetic vision, simulations of phosphene induced with electrical stimuli are required. Here we made a simulation study on phosphene perception using a silicon retina that can be employed as a preprocessing device for cortical prosthesis. In these simulations, edge enhancement and temporal filters were introduced to mimic the visual information processing of the retina. The simulations were conducted in real time with different parameters, i.e., the number of electrodes and filter processing. The simulator developed in the present study is effective to optimize the stimulation of cortical prosthesis.
Keyword (in Japanese) (See Japanese page) 
(in English) visual prosthesis / phosphene / visual cortex / / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 461, NC2009-149, pp. 363-366, March 2010.
Paper # NC2009-149 
Date of Issue 2010-03-02 (NC) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF NC2009-149

Conference Information
Committee NC MBE  
Conference Date 2010-03-09 - 2010-03-11 
Place (in Japanese) (See Japanese page) 
Place (in English) Tamagawa University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To NC 
Conference Code 2010-03-NC-MBE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Phosphene simulation induced by electrical stimulation on visual cortex 
Sub Title (in English)  
Keyword(1) visual prosthesis  
Keyword(2) phosphene  
Keyword(3) visual cortex  
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1st Author's Name Hirotsugu Okuno  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Masaru Matsuoka  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Tamas Fehervari  
3rd Author's Affiliation Osaka University (Osaka Univ.)
4th Author's Name Tetsuya Yagi  
4th Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2010-03-11 13:20:00 
Presentation Time 25 minutes 
Registration for NC 
Paper # NC2009-149 
Volume (vol) vol.109 
Number (no) no.461 
Page pp.363-366 
#Pages 4 
Date of Issue 2010-03-02 (NC) 

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