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Paper Abstract and Keywords
Presentation 2016-09-01 13:40
Random-Valued Impulse Noises Removal by Weighted Non-local Median Filter
Jyohei Matsuoka (Yamaguchi Univ.), Takanori Koga (NIT, Tokuyama College), Noriaki Suetake, Eiji Uchino (Yamaguchi Univ.) SIS2016-18
Abstract (in Japanese) (See Japanese page) 
(in English) As one of the random-noise removal methods, there is a non-local median filter.
Non-local median filter is excelled in not only noise removal but also detail preserving. In the non-local processing, an output of the filter is calculated from pixels in blocks which are similar to the block centered at a pixel of interest. As a result, aggressive noise removal is conducted without destroying detailed structures in an original image. However, the performance of the non-local median filter decrease enormously when the input image is highly corrupted by the noise. To cope with the problem, we propose an improved non-local median filter which is robust to the high level of corruption by introducing a new similarity measure considering possibility of being original signal. Through the experiments, we verify the effectiveness of the proposed method.
Keyword (in Japanese) (See Japanese page) 
(in English) Random-valued impulse noise / Non-local median filter / Rank-Ordered Absolute Differences / / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 204, SIS2016-18, pp. 13-16, Sept. 2016.
Paper # SIS2016-18 
Date of Issue 2016-08-25 (SIS) 
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)
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Conference Information
Committee SIS IPSJ-AVM  
Conference Date 2016-09-01 - 2016-09-02 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka Electro-Communication Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Knowledge Multimedia Systems, etc. 
Paper Information
Registration To SIS 
Conference Code 2016-09-SIS-AVM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Random-Valued Impulse Noises Removal by Weighted Non-local Median Filter 
Sub Title (in English)  
Keyword(1) Random-valued impulse noise  
Keyword(2) Non-local median filter  
Keyword(3) Rank-Ordered Absolute Differences  
1st Author's Name Jyohei Matsuoka  
1st Author's Affiliation Yamaguchi University (Yamaguchi Univ.)
2nd Author's Name Takanori Koga  
2nd Author's Affiliation National Institute of Technology, Tokuyama College (NIT, Tokuyama College)
3rd Author's Name Noriaki Suetake  
3rd Author's Affiliation Yamaguchi University (Yamaguchi Univ.)
4th Author's Name Eiji Uchino  
4th Author's Affiliation Yamaguchi University (Yamaguchi Univ.)
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Speaker Author-1 
Date Time 2016-09-01 13:40:00 
Presentation Time 20 minutes 
Registration for SIS 
Paper # SIS2016-18 
Volume (vol) vol.116 
Number (no) no.204 
Page pp.13-16 
Date of Issue 2016-08-25 (SIS) 

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