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Paper Abstract and Keywords
Presentation 2010-03-09 16:25
Probabilistic Interpretation of Border-ownership Signals in Early Visual Cortex
Haruo Hosoya (Univ. of Tokyo.) NC2009-100
Abstract (in Japanese) (See Japanese page) 
(in English) Several recent model studies of visual cortex have used Bayesian
networks and their belief propagation algorithms, and successfully
explained various physiological properties. This paper shows that
a similar model can also explain another property called
border-ownership, one of contextual effects in early visual cortex
reported by Zhou et al. We show that border-ownership signals can
be interpreted as posterior joint probabilities of a low-level edge
property and a high-level figure property, and can readily be found
in a typical hierarchical Bayesian network mimicking early visual
cortex, under certain conditions. We also present the result of a
computer simulation that model neurons in our Bayesian network can
reproduce response properties qualitatively similar to physiological
data.
Keyword (in Japanese) (See Japanese page) 
(in English) Bayesian network / border-ownership / visual cortex / / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 461, NC2009-100, pp. 71-76, March 2010.
Paper # NC2009-100 
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 NC2009-100

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 English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Probabilistic Interpretation of Border-ownership Signals in Early Visual Cortex 
Sub Title (in English)  
Keyword(1) Bayesian network  
Keyword(2) border-ownership  
Keyword(3) visual cortex  
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1st Author's Name Haruo Hosoya  
1st Author's Affiliation University of Tokyo (Univ. of Tokyo.)
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Speaker Author-1 
Date Time 2010-03-09 16:25:00 
Presentation Time 25 minutes 
Registration for NC 
Paper # NC2009-100 
Volume (vol) vol.109 
Number (no) no.461 
Page pp.71-76 
#Pages 6 
Date of Issue 2010-03-02 (NC) 

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