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Paper Abstract and Keywords
Presentation 2010-03-04 10:55
A Method for removing scratches from Old Movie Film Using a Variant Filter Window with Hough Transform Transform
Kenta Chishima, Yasuhiro Sakai, Kaoru Arakawa (Meiji Univ.) SIS2009-49
Abstract (in Japanese) (See Japanese page) 
(in English) A method of removing line scratches in old movie films is proposed. This method corresponds to an adaptive median filter with a variant window considering the local characteristics of the frame image. Since the film scratches appear as sharp thin lines on frame images, they can be removed by median filtering. However, some fine structures of the image, especially line elements, are deformed by median filtering. Authors proposed before an adaptive median filter with a variant window with Hough transform in order to remove the scratches. Here, the scratch area is interpolated with a median filter, the direction of the window of which is determined by Hough transform. However, when the image contains a lot of edge pixels, this method tends to detect false straight line elements by Hough transform, and the interpolation of the scratch area cannot be performed effectively. The method proposed here can interpolate the scratch area effectively by detecting straight line elements precisely considering the local frequency distribution in each image area. Computer simulations show high performance of the proposed method.
Keyword (in Japanese) (See Japanese page) 
(in English) film scratch / median filter / Hough transform / image restoration / damaged old movie film / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 447, SIS2009-49, pp. 7-12, March 2010.
Paper # SIS2009-49 
Date of Issue 2010-02-25 (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  
Conference Date 2010-03-04 - 2010-03-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Kanagawa Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SIS 
Conference Code 2010-03-SIS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Method for removing scratches from Old Movie Film Using a Variant Filter Window with Hough Transform Transform 
Sub Title (in English)  
Keyword(1) film scratch  
Keyword(2) median filter  
Keyword(3) Hough transform  
Keyword(4) image restoration  
Keyword(5) damaged old movie film  
1st Author's Name Kenta Chishima  
1st Author's Affiliation Meiji University (Meiji Univ.)
2nd Author's Name Yasuhiro Sakai  
2nd Author's Affiliation Meiji University (Meiji Univ.)
3rd Author's Name Kaoru Arakawa  
3rd Author's Affiliation Meiji University (Meiji Univ.)
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Date Time 2010-03-04 10:55:00 
Presentation Time 20 
Registration for SIS 
Paper # IEICE-SIS2009-49 
Volume (vol) IEICE-109 
Number (no) no.447 
Page pp.7-12 
#Pages IEICE-6 
Date of Issue IEICE-SIS-2010-02-25 

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