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Paper Abstract and Keywords
Presentation 2012-03-08 13:20
Image Restoration with Union of Multiple DirLOTs
Natsuki Aizawa, Shogo Muramatsu (Niigata Univ.) CAS2011-113 SIP2011-133 CS2011-105
Abstract (in Japanese) (See Japanese page) 
(in English) In this report, an image restoration method by using Directional Lapped Orthonormal Transform (DirLOT), which the authors proposed previously, is investigated. The transform has an advantage in representing
diagonal edges and textures in images because it is nonseparable processing and has directional property. This study, suggests to construct a redundant dictionary which has multiple directional property by using multiple directional symmetric orthonormal wavelet transform(DirSOWT). The multiple directional property is suitable for
representing a natural picture containing diagonal geometrical structures. The dictionary is applied to image restoration and the performance is evaluated. In order to show the signi cance of the proposed method, the performance is also compared with the image restoration results through non-subsampled Haar transform. It is con rmed that the proposed method yields perceptually preferable results from experimental results.
Keyword (in Japanese) (See Japanese page) 
(in English) DirLOT / Sparse representation / Deblurring / Super-resolution, / Inpainting / Parallel-coordinate-descent / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 466, SIP2011-133, pp. 37-42, March 2012.
Paper # SIP2011-133 
Date of Issue 2012-03-01 (CAS, SIP, CS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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 CAS2011-113 SIP2011-133 CS2011-105

Conference Information
Committee CAS CS SIP  
Conference Date 2012-03-08 - 2012-03-09 
Place (in Japanese) (See Japanese page) 
Place (in English) The University of Niigata 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Network Processor, Signal Processing for communication, and Wireless LAN/PAN, etc. 
Paper Information
Registration To SIP 
Conference Code 2012-03-CAS-CS-SIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Image Restoration with Union of Multiple DirLOTs 
Sub Title (in English)  
Keyword(1) DirLOT  
Keyword(2) Sparse representation  
Keyword(3) Deblurring  
Keyword(4) Super-resolution,  
Keyword(5) Inpainting  
Keyword(6) Parallel-coordinate-descent  
Keyword(7)  
Keyword(8)  
1st Author's Name Natsuki Aizawa  
1st Author's Affiliation Niigata University (Niigata Univ.)
2nd Author's Name Shogo Muramatsu  
2nd Author's Affiliation Niigata University (Niigata Univ.)
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Speaker Author-1 
Date Time 2012-03-08 13:20:00 
Presentation Time 25 minutes 
Registration for SIP 
Paper # CAS2011-113, SIP2011-133, CS2011-105 
Volume (vol) vol.111 
Number (no) no.465(CAS), no.466(SIP), no.467(CS) 
Page pp.37-42 
#Pages
Date of Issue 2012-03-01 (CAS, SIP, CS) 


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