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Paper Abstract and Keywords
Presentation 2015-06-18 15:20
Highly efficient Motion Estimation Algorithmfrequently using SIMD Instructions for small search range
Yuuki Minoura, Toshio Kondo, Yuki Fukazawa, Takahiro Sasaki (Mie Univ.) IE2015-38
Abstract (in Japanese) (See Japanese page) 
(in English) High efficiency video coding standard H.265 was finalized in the recent progress of the high definition video technology. Though H.265 doubles the data compression ratio compared to H.264, it is dificult to fully bring out its compression performance due to the expense of increased computational complexity. Especially, in the motion estimation occupying most of the encode processing,a current practical encoder has to sacrifice coding efficiency because it cannot meet both speed and accuracy requirements.Therefore, SIMD data path formotion estimation has been designed to meet the two requirements so that it has highly efficient motion search capability in our laboratory. However, the motion estimation algorithm being suitable for the SIMD data path has not developed yet.This paper proposed highly efficient motion estimation algorithm frequently using SIMD instructions for small search range.As a result,the worst load cycle of the reference image decreases by about 35%,and the amount of absolute difference operations for block matiching decreases by about 80% as compared to the motion estimation algorithm TZSearch used in the HEVC reference software.
Keyword (in Japanese) (See Japanese page) 
(in English) H.265/HEVC / motion estimation / SIMD / / / / /  
Reference Info. IEICE Tech. Rep., vol. 115, no. 96, IE2015-38, pp. 35-40, June 2015.
Paper # IE2015-38 
Date of Issue 2015-06-11 (IE) 
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 IE  
Conference Date 2015-06-18 - 2015-06-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Cellular 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Image Processing and Coding, etc. 
Paper Information
Registration To IE 
Conference Code 2015-06-IE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Highly efficient Motion Estimation Algorithmfrequently using SIMD Instructions for small search range 
Sub Title (in English)  
Keyword(1) H.265/HEVC  
Keyword(2) motion estimation  
Keyword(3) SIMD  
1st Author's Name Yuuki Minoura  
1st Author's Affiliation Mie University (Mie Univ.)
2nd Author's Name Toshio Kondo  
2nd Author's Affiliation Mie University (Mie Univ.)
3rd Author's Name Yuki Fukazawa  
3rd Author's Affiliation Mie University (Mie Univ.)
4th Author's Name Takahiro Sasaki  
4th Author's Affiliation Mie University (Mie Univ.)
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Date Time 2015-06-18 15:20:00 
Presentation Time 20 
Registration for IE 
Paper # IEICE-IE2015-38 
Volume (vol) IEICE-115 
Number (no) no.96 
Page pp.35-40 
#Pages IEICE-6 
Date of Issue IEICE-IE-2015-06-11 

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