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Paper Abstract and Keywords
Presentation 2012-10-05 09:30
Super resolution scene reconstruction using corneal reflections
Christian Nitschke, Atsushi Nakazawa (Osaka Univ.) PRMU2012-63
Abstract (in Japanese) (See Japanese page) 
(in English) The corneal imaging technique enables extraction of scene information from corneal reflections and
realizes a large number of applications including environment map reconstruction and estimation of a person's area of view.
However, since corneal reflection images are usually low quality and resolution, the outcome of the technique is currently limited.
To overcome this issue, we propose a first non-central catadioptric approach to reconstruct high-resolution scene information from a series of lower resolution corneal images through a super-resolution technique.
We describe a three-step process, including (1) single image environment map recovery, (2) multiple image registration, and (3) high-resolution image reconstruction.
In a number of experiments we show that the proposed strategy successfully recovers high-frequency textures that are lost in the source images, and also works with other non-central catadioptric systems, e.g. , involving spherical mirrors.
Keyword (in Japanese) (See Japanese page) 
(in English) eye / corneal reflection / reflection analysis / catadioptic system / super-resolution / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 225, PRMU2012-63, pp. 65-70, Oct. 2012.
Paper # PRMU2012-63 
Date of Issue 2012-09-27 (PRMU) 
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 PRMU  
Conference Date 2012-10-04 - 2012-10-05 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To PRMU 
Conference Code 2012-10-PRMU 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Super resolution scene reconstruction using corneal reflections 
Sub Title (in English)  
Keyword(1) eye  
Keyword(2) corneal reflection  
Keyword(3) reflection analysis  
Keyword(4) catadioptic system  
Keyword(5) super-resolution  
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1st Author's Name Christian Nitschke  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Atsushi Nakazawa  
2nd Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2012-10-05 09:30:00 
Presentation Time 30 minutes 
Registration for PRMU 
Paper # PRMU2012-63 
Volume (vol) vol.112 
Number (no) no.225 
Page pp.65-70 
#Pages 6 
Date of Issue 2012-09-27 (PRMU) 

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