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Paper Abstract and Keywords
Presentation 2013-05-17 16:50
Blockwise Low-Rank Prior for Cartoon-Texture Image Decomposition
Shunsuke Ono, Isao Yamada (Tokyo Inst. of Tech.) EA2013-28 SIP2013-28 SP2013-28
Abstract (in Japanese) (See Japanese page) 
(in English) We develop a cartoon-texture decomposition model with a novel texture characterization for image analysis and restoration.
Our assumption is that texture component enjoys a blockwise low-rank nature possibly with overlap and rotation because the textures in images are locally well-patterned in general.
Based on this assumption, we first introduce a new convex prior, named block nuclear norm (BNN), for an interpretation of the texture component, which well approximates the blockwise rank possibly with overlap and rotation.
We then formulate a cartoon-texture decomposition model as a convex optimization problem, where simultaneous estimation of the cartoon and texture components from a given image/degraded observation are realized using the total variation and BNN.
The model admits various types of degradation occurring in image processing applications.
The associated convex optimization problem is solved efficiently by the so-called alternating direction method of multiplier (ADMM).
Numerical comparisons between the proposed method and a state-of-the-art method are also presented.
Keyword (in Japanese) (See Japanese page) 
(in English) cartoon-texture decomposition / texture characterization / low-rank interpretation / image restoration / convex optimization / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 28, SIP2013-28, pp. 163-168, May 2013.
Paper # SIP2013-28 
Date of Issue 2013-05-09 (EA, SIP, SP) 
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)
Download PDF EA2013-28 SIP2013-28 SP2013-28

Conference Information
Committee SP EA SIP  
Conference Date 2013-05-16 - 2013-05-17 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) Speech and Acoustic Signal Processing, Speech, and Related Topics 
Paper Information
Registration To SIP 
Conference Code 2013-05-SP-EA-SIP 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Blockwise Low-Rank Prior for Cartoon-Texture Image Decomposition 
Sub Title (in English)  
Keyword(1) cartoon-texture decomposition  
Keyword(2) texture characterization  
Keyword(3) low-rank interpretation  
Keyword(4) image restoration  
Keyword(5) convex optimization  
1st Author's Name Shunsuke Ono  
1st Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. of Tech.)
2nd Author's Name Isao Yamada  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. of Tech.)
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Speaker Author-1 
Date Time 2013-05-17 16:50:00 
Presentation Time 25 minutes 
Registration for SIP 
Paper # EA2013-28, SIP2013-28, SP2013-28 
Volume (vol) vol.113 
Number (no) no.27(EA), no.28(SIP), no.29(SP) 
Page pp.163-168 
Date of Issue 2013-05-09 (EA, SIP, SP) 

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