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Paper Abstract and Keywords
Presentation 2009-12-08 09:50
A Fast and Accurate Motion Estimation Algorithm for H.264/AVC
Ryosuke Watanabe, Koki Abe (Univ. of Electro Comm) CS2009-62 IE2009-126
Abstract (in Japanese) (See Japanese page) 
(in English) In H.264/AVC video coding standard, motion estimation is the most time consuming part to acheve
accurate prediction and high compression efficiency. A fast motion estimation algorithm Unsymmetric-Cross-Multi-
Hexagon-Grid Search (UMHEX) was proposed as a technique which saves computation time compared with Full
Search. In this paper, we propose a method which further improves UMHEX with respect to the search speed without
degrading image quality. Experiments on typical sequences defined under the common condition revealed that
the search time of proposed method is 30% smaller than UMHEX in average with image quality almost unchanged.
Keyword (in Japanese) (See Japanese page) 
(in English) H.264/AVC / Motion Estimation / UMHEX / Computation Time / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 323, IE2009-126, pp. 65-70, Dec. 2009.
Paper # IE2009-126 
Date of Issue 2009-11-30 (CS, IE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 CS2009-62 IE2009-126

Conference Information
Committee IPSJ-AVM CS IE ITE-BCT  
Conference Date 2009-12-07 - 2009-12-08 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagoya Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Image Coding, Streaming 
Paper Information
Registration To IE 
Conference Code 2009-12-AVM-CS-IE-BCT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Fast and Accurate Motion Estimation Algorithm for H.264/AVC 
Sub Title (in English)  
Keyword(1) H.264/AVC  
Keyword(2) Motion Estimation  
Keyword(3) UMHEX  
Keyword(4) Computation Time  
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Keyword(8)  
1st Author's Name Ryosuke Watanabe  
1st Author's Affiliation University of Electro Communications (Univ. of Electro Comm)
2nd Author's Name Koki Abe  
2nd Author's Affiliation University of Electro Communications (Univ. of Electro Comm)
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Speaker Author-1 
Date Time 2009-12-08 09:50:00 
Presentation Time 25 minutes 
Registration for IE 
Paper # CS2009-62, IE2009-126 
Volume (vol) vol.109 
Number (no) no.322(CS), no.323(IE) 
Page pp.65-70 
#Pages
Date of Issue 2009-11-30 (CS, IE) 


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