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Paper Abstract and Keywords
Presentation 2017-03-14 10:50
Relationship between Image Statistics in Natural Movie and Responses of Neurons in Visual Areas V1 and V4
Gaku Hatanaka (Osaka Univ.), Koji Ikezoe (Univ. of Yamanashi), Ryosuke F Takeuchi, Mikio Inagaki (Osaka Univ.), Shinji Nishimoto (NICT), Ichiro Fujita (Osaka Univ.) NC2016-89
Abstract (in Japanese) (See Japanese page) 
(in English) We studied the response preference for image statistics of neurons in macaque visual cortical areas V1 and V4. A large proportion of V4 neurons preferred higher-order image statistics over low-level image statistics (i.e., V1-like filter outputs), whereas V1 neurons recorded from the same animals preferred spectral stimulus features such as orientation and spatial frequency. We also obtained evidence that V4 neurons are locally clustered according to the preferred texture-defining image statistics. The cluster size is at least a few hundred microns (size of a recording site). Together with known functional structures in V4 for color and orientation of this scale, we suggest that V4 consists of mosaic-like compartments (~ mm size), each responsible for a specific visual feature such as color, orientation, and texture.
Keyword (in Japanese) (See Japanese page) 
(in English) monkey / in vivo 2-photon calcium imaging / encoding model / image statistics / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 521, NC2016-89, pp. 149-154, March 2017.
Paper # NC2016-89 
Date of Issue 2017-03-06 (NC) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 MBE NC  
Conference Date 2017-03-13 - 2017-03-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To NC 
Conference Code 2017-03-MBE-NC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Relationship between Image Statistics in Natural Movie and Responses of Neurons in Visual Areas V1 and V4 
Sub Title (in English)  
Keyword(1) monkey  
Keyword(2) in vivo 2-photon calcium imaging  
Keyword(3) encoding model  
Keyword(4) image statistics  
1st Author's Name Gaku Hatanaka  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Koji Ikezoe  
2nd Author's Affiliation University of Yamanashi (Univ. of Yamanashi)
3rd Author's Name Ryosuke F Takeuchi  
3rd Author's Affiliation Osaka University (Osaka Univ.)
4th Author's Name Mikio Inagaki  
4th Author's Affiliation Osaka University (Osaka Univ.)
5th Author's Name Shinji Nishimoto  
5th Author's Affiliation National Institute of Information and Communications Technology (NICT)
6th Author's Name Ichiro Fujita  
6th Author's Affiliation Osaka University (Osaka Univ.)
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Date Time 2017-03-14 10:50:00 
Presentation Time 25 
Registration for NC 
Paper # IEICE-NC2016-89 
Volume (vol) IEICE-116 
Number (no) no.521 
Page pp.149-154 
#Pages IEICE-6 
Date of Issue IEICE-NC-2017-03-06 

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