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Paper Abstract and Keywords
Presentation 2008-02-21 10:00
Image Registration Using Shifted Images for Super Resolution
Hidenori Takeshima, Toshimitsu Kaneko (Toshiba Corp.) PRMU2007-218
Abstract (in Japanese) (See Japanese page) 
(in English) A novel image registration algorithm for super-resolution is proposed. It has been observed that, by using a conventional algorithm, matching points tend to be placed near the pixels in the low-resolution grid when aperture problem occurs, for example, in the case of processing straight edges. As a result of this phenomenon, the high-resolution images are not efficiently
reconstructed. The proposed method estimates matching points on the shifted image whose image grid is shifted by a desired subpixel displacement. By using the proposed method, the distribution of the matching points is artificially biased so that the quality of the reconstructed image is improved. The effectiveness of the proposed method is demonstrated in experiments.
Keyword (in Japanese) (See Japanese page) 
(in English) super resolution / motion estimation / subpixel / aperture problem / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 491, PRMU2007-218, pp. 25-30, Feb. 2008.
Paper # PRMU2007-218 
Date of Issue 2008-02-14 (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)
Download PDF PRMU2007-218

Conference Information
Committee PRMU  
Conference Date 2008-02-21 - 2008-02-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Univ. of Tsukuba 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To PRMU 
Conference Code 2008-02-PRMU 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Image Registration Using Shifted Images for Super Resolution 
Sub Title (in English)  
Keyword(1) super resolution  
Keyword(2) motion estimation  
Keyword(3) subpixel  
Keyword(4) aperture problem  
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1st Author's Name Hidenori Takeshima  
1st Author's Affiliation Toshiba Corporation (Toshiba Corp.)
2nd Author's Name Toshimitsu Kaneko  
2nd Author's Affiliation Toshiba Corporation (Toshiba Corp.)
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Speaker Author-1 
Date Time 2008-02-21 10:00:00 
Presentation Time 30 minutes 
Registration for PRMU 
Paper # PRMU2007-218 
Volume (vol) vol.107 
Number (no) no.491 
Page pp.25-30 
#Pages
Date of Issue 2008-02-14 (PRMU) 


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