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Paper Abstract and Keywords
Presentation 2017-02-21 14:30
Minimization of mixed norm for frequency spectrum of images and its application of pattern noise decomposition
Keiichiro Shirai (Shinshu Univ.), Shunsuke Ono (Tokyo Institute Tech.), Masahiro Okuda (Univ. Kitakyushu) ITS2016-57 IE2016-115
Abstract (in Japanese) (See Japanese page) 
(in English) This paper deals with a mixed norm for complex vectors, i.e., the summation of amplitude spectrum, and its minimization problem. A combination of this mixed norm and image decomposition problem works well for reduction and decomposition of pattern noise that arises when scanning old photographs with granulated surface. Generally, the spectrum distribution of natural images decreases smoothly from low frequency toward high frequency band, while that of pattern noise is distributed sparsely. Therefore, we assume that an observed image consists of a latent image and a pattern noise component, and characterize them by the total variation function and the proposed function, respectively. This enables a reasonable decomposition of the two components. Compared to similar decomposition methods such as Robust PCA, our method has a good decomposition accuracy for this task, and low computational cost.
Keyword (in Japanese) (See Japanese page) 
(in English) Image component decomposition / Robust PCA / Pattern removal / mixed norm / complex norm / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 464, IE2016-115, pp. 275-280, Feb. 2017.
Paper # IE2016-115 
Date of Issue 2017-02-13 (ITS, 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. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF ITS2016-57 IE2016-115

Conference Information
Committee IE ITS ITE-AIT ITE-HI ITE-ME ITE-MMS ITE-CE  
Conference Date 2017-02-20 - 2017-02-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Image Processing, etc. 
Paper Information
Registration To IE 
Conference Code 2017-02-IE-ITS-AIT-HI-ME-MMS-CE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Minimization of mixed norm for frequency spectrum of images and its application of pattern noise decomposition 
Sub Title (in English)  
Keyword(1) Image component decomposition  
Keyword(2) Robust PCA  
Keyword(3) Pattern removal  
Keyword(4) mixed norm  
Keyword(5) complex norm  
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1st Author's Name Keiichiro Shirai  
1st Author's Affiliation Shinshu University (Shinshu Univ.)
2nd Author's Name Shunsuke Ono  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Institute Tech.)
3rd Author's Name Masahiro Okuda  
3rd Author's Affiliation The University of Kitakyushu (Univ. Kitakyushu)
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Speaker Author-1 
Date Time 2017-02-21 14:30:00 
Presentation Time 15 minutes 
Registration for IE 
Paper # ITS2016-57, IE2016-115 
Volume (vol) vol.116 
Number (no) no.463(ITS), no.464(IE) 
Page pp.275-280 
#Pages 6 
Date of Issue 2017-02-13 (ITS, IE) 

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