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Paper Abstract and Keywords
Presentation 2012-03-01 11:20
An Efficient Quadtree-based Image Coder with Predictive Set Partitioning
Hidetoshi Imamura, Toshiyuki Uto, Kenji Ohue (Ehime Univ.) IT2011-58 ISEC2011-85 WBS2011-59
Abstract (in Japanese) (See Japanese page) 
(in English) This paper describes an efficient wavelet coding algorithm based on quadtree partition. There are 2 main types of methods. The first type exploits a correlation of wavelet coefficients across subband. It only uses an interband correlation. On the other hand the second type exploits a correlation of wavelet coefficients within each subband. It only uses an intraband correlation. Our work focuses on quadtree-based image coder. In this type of method, there are many “partition bits” that indicate the need of quadtree partitioning. These bits are insignificant for image quality. Therefore we integrate a novel method that is called predictive set partitioning into quadtree-based image coder and propose an efficient quadtree-based image coder with predictive set partitioning.
Keyword (in Japanese) (See Japanese page) 
(in English) Image coding / wavelet transforms / bitplane coding, / quadtree partition / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 454, IT2011-58, pp. 79-83, March 2012.
Paper # IT2011-58 
Date of Issue 2012-02-23 (IT, ISEC, WBS) 
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 IT2011-58 ISEC2011-85 WBS2011-59

Conference Information
Committee IT ISEC WBS  
Conference Date 2012-03-01 - 2012-03-02 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To IT 
Conference Code 2012-03-IT-ISEC-WBS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An Efficient Quadtree-based Image Coder with Predictive Set Partitioning 
Sub Title (in English)  
Keyword(1) Image coding  
Keyword(2) wavelet transforms  
Keyword(3) bitplane coding,  
Keyword(4) quadtree partition  
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1st Author's Name Hidetoshi Imamura  
1st Author's Affiliation Ehime University (Ehime Univ.)
2nd Author's Name Toshiyuki Uto  
2nd Author's Affiliation Ehime University (Ehime Univ.)
3rd Author's Name Kenji Ohue  
3rd Author's Affiliation Ehime University (Ehime Univ.)
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Speaker Author-1 
Date Time 2012-03-01 11:20:00 
Presentation Time 25 minutes 
Registration for IT 
Paper # IT2011-58, ISEC2011-85, WBS2011-59 
Volume (vol) vol.111 
Number (no) no.454(IT), no.455(ISEC), no.456(WBS) 
Page pp.79-83 
#Pages 5 
Date of Issue 2012-02-23 (IT, ISEC, WBS) 

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