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Paper Abstract and Keywords
Presentation 2018-06-29 09:55
Single Image Super-Resolution with Limited Number of Filters
Yusuke Nakahara, Takuro Yamaguchi, Masaaki Ikehara (Keio Univ.) IE2018-22
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose a single image super-resolution with limited number of filters based on RAISR. RAISR is well known as rapid and accurate super-resolution method which utilizes 864 filters for upscaling. This super-resolution idea utilizes the filter learned with sufficient training set. To get low cost of calculation and comparable image quality with other highly accurate super-resolution methods, the patch of input image is classified into classes by simple hash calculation. Then, the high quality version of this patch is generated by applying the filter to low resolution patches. In our method, only 18 filters can make high resolution images by using simple geometric conversion and rotation conversion while keeping the accuracy and runtime of RAISR.
Keyword (in Japanese) (See Japanese page) 
(in English) super-resolution / image enhancement / filter learning / / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 113, IE2018-22, pp. 7-11, June 2018.
Paper # IE2018-22 
Date of Issue 2018-06-22 (IE) 
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF IE2018-22

Conference Information
Committee IE  
Conference Date 2018-06-29 - 2018-06-29 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) Image processing, coding, etc. 
Paper Information
Registration To IE 
Conference Code 2018-06-IE 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Single Image Super-Resolution with Limited Number of Filters 
Sub Title (in English)  
Keyword(1) super-resolution  
Keyword(2) image enhancement  
Keyword(3) filter learning  
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1st Author's Name Yusuke Nakahara  
1st Author's Affiliation Keio University (Keio Univ.)
2nd Author's Name Takuro Yamaguchi  
2nd Author's Affiliation Keio University (Keio Univ.)
3rd Author's Name Masaaki Ikehara  
3rd Author's Affiliation Keio University (Keio Univ.)
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Speaker
Date Time 2018-06-29 09:55:00 
Presentation Time 25 
Registration for IE 
Paper # IEICE-IE2018-22 
Volume (vol) IEICE-118 
Number (no) no.113 
Page pp.7-11 
#Pages IEICE-5 
Date of Issue IEICE-IE-2018-06-22 


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