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Paper Abstract and Keywords
Presentation 2013-07-18 09:10
An Evaluation on Controlling File Size Increase in the Image Partial Scrambling Technique Enabled Quantitative Degradation Degree Control by Exchanging DCT Coefficients
Shingo Shimaura, Syouhei Harada, Seok Kang, Yuji Sakamoto (Hokkaido Univ.) ISEC2013-22 SITE2013-17 ICSS2013-27 EMM2013-24
Abstract (in Japanese) (See Japanese page) 
(in English) The partial scrambling which is performed before variable length coding enables quantitative degradation degree control based on PSNR by fluctuation or exchange of DCT coefficients. However, those methods have problems with file size increase and accuracy deterioration of degradation degree control. Therefore, we proposed the image partial scrambling technique which enables controlling file size increase and improving accuracy of degradation degree control. The proposed method exchanges DCT coefficients based on square error value which one DCT coefficient should reach. Then, we compared our method with other methods about accuracy of degradation degree control and file size growth rate.
Keyword (in Japanese) (See Japanese page) 
(in English) Scrambling / PSNR / DCT coefficients / degradation degree control / file size / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 138, EMM2013-24, pp. 167-172, July 2013.
Paper # EMM2013-24 
Date of Issue 2013-07-11 (ISEC, SITE, ICSS, EMM) 
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 ISEC2013-22 SITE2013-17 ICSS2013-27 EMM2013-24

Conference Information
Committee EMM ISEC SITE ICSS IPSJ-CSEC IPSJ-SPT  
Conference Date 2013-07-18 - 2013-07-19 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) Security 
Paper Information
Registration To EMM 
Conference Code 2013-07-EMM-ISEC-SITE-ICSS-CSEC-SPT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An Evaluation on Controlling File Size Increase in the Image Partial Scrambling Technique Enabled Quantitative Degradation Degree Control by Exchanging DCT Coefficients 
Sub Title (in English)  
Keyword(1) Scrambling  
Keyword(2) PSNR  
Keyword(3) DCT coefficients  
Keyword(4) degradation degree control  
Keyword(5) file size  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Shingo Shimaura  
1st Author's Affiliation Hokkaido University (Hokkaido Univ.)
2nd Author's Name Syouhei Harada  
2nd Author's Affiliation Hokkaido University (Hokkaido Univ.)
3rd Author's Name Seok Kang  
3rd Author's Affiliation Hokkaido University (Hokkaido Univ.)
4th Author's Name Yuji Sakamoto  
4th Author's Affiliation Hokkaido University (Hokkaido Univ.)
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Speaker Author-1 
Date Time 2013-07-18 09:10:00 
Presentation Time 25 minutes 
Registration for EMM 
Paper # ISEC2013-22, SITE2013-17, ICSS2013-27, EMM2013-24 
Volume (vol) vol.113 
Number (no) no.135(ISEC), no.136(SITE), no.137(ICSS), no.138(EMM) 
Page pp.167-172 
#Pages 6 
Date of Issue 2013-07-11 (ISEC, SITE, ICSS, EMM) 

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