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Paper Abstract and Keywords
Presentation 2014-12-01 14:45
[Invited Talk] Higher resolution stimulus facilitates depth perception
Yoshiaki Tsushima (NHK) HIP2014-69
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, we are facing with high-quality virtual world of a completely new nature. For example, we have a digital display consisting of a high enough resolution that we cannot distinguish from the real world. However, little is known how such high-quality representation contributes to the sense of realness, especially to depth perception. What is the neural mechanism of processing such fine but virtual representation? Here, we psychophysically and physiologically examined the relationship between stimulus resolution and depth perception, with using luminance-contrast (shading) as a monocular depth cue. As a result, we found that a higher resolution stimulus facilitates depth perception even when the stimulus resolution difference is undetectable. This finding is against the traditional cognitive hierarchy of visual information processing that visual input is processed continuously in a bottom-up cascade of cortical regions that analyze increasingly complex information such as depth information. In addition, functional magnetic resonance imaging (fMRI) results reveal that the human middle temporal (MT+) plays a significant role in monocular depth perception. These results might provide us with not only the new insight of our neural mechanism of depth perception but also the future progress of our neural system accompanied by state-of- the-art technologies.
Keyword (in Japanese) (See Japanese page) 
(in English) resolution / depth perception / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 347, HIP2014-69, pp. 15-15, Dec. 2014.
Paper # HIP2014-69 
Date of Issue 2014-11-24 (HIP) 
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)
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Conference Information
Committee HIP ITE-CE ITE-HI  
Conference Date 2014-12-01 - 2014-12-02 
Place (in Japanese) (See Japanese page) 
Place (in English) Research Institute of Electrical Communication, Tohoku University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) multimodal, visual perception, etc. 
Paper Information
Registration To HIP 
Conference Code 2014-12-HIP-CE-HI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Higher resolution stimulus facilitates depth perception 
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Keyword(1) resolution  
Keyword(2) depth perception  
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1st Author's Name Yoshiaki Tsushima  
1st Author's Affiliation Japan Broadcasting Corporation (NHK)
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Speaker Author-1 
Date Time 2014-12-01 14:45:00 
Presentation Time 60 minutes 
Registration for HIP 
Paper # HIP2014-69 
Volume (vol) vol.114 
Number (no) no.347 
Page p.15 
#Pages 1 
Date of Issue 2014-11-24 (HIP) 

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