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Paper Abstract and Keywords
Presentation 2007-06-21 11:10
Frame Memory Access Method for H.264/AVC
Tomoyuki Kishida, Hiroki Kuniyasu, Tian Song, Takashi Shimamoto (Tokushima Univ.) CAS2007-7 VLD2007-23 SIP2007-37
Abstract (in Japanese) (See Japanese page) 
(in English) This paper presents an efficient memory access interface architecture for H.264/AVC encoder. In the design of H.264/AVC archtecture, the intensive memory access becomes a very challenging issue due to the introducing of some new features for the motion estimation and INTRA mode decision. In this work, by carefully analyzing the feature of the memory access of the motion estimation and the motion compensation process we proposed two efficient methods for the DMA(Direct Memory Access) module. One method is to introduce a buffer in the DMA to regulate the irregular memory access. The other one is an efficient memory mapping method to decrease the memory response delay. Using these two methods proposed architecture could save about 50\% access cycles.
Keyword (in Japanese) (See Japanese page) 
(in English) H.264/AVC / DMA / SDRAM / Motion Estimation / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 102, VLD2007-23, pp. 37-42, June 2007.
Paper # VLD2007-23 
Date of Issue 2007-06-14 (CAS, VLD, SIP) 
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 CAS2007-7 VLD2007-23 SIP2007-37

Conference Information
Committee CAS SIP VLD  
Conference Date 2007-06-21 - 2007-06-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Tokai Univ. （Sapporo) 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To VLD 
Conference Code 2007-06-CAS-SIP-VLD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Frame Memory Access Method for H.264/AVC 
Sub Title (in English)  
Keyword(1) H.264/AVC  
Keyword(2) DMA  
Keyword(3) SDRAM  
Keyword(4) Motion Estimation  
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1st Author's Name Tomoyuki Kishida  
1st Author's Affiliation Tokushima University (Tokushima Univ.)
2nd Author's Name Hiroki Kuniyasu  
2nd Author's Affiliation Tokushima University (Tokushima Univ.)
3rd Author's Name Tian Song  
3rd Author's Affiliation Tokushima University (Tokushima Univ.)
4th Author's Name Takashi Shimamoto  
4th Author's Affiliation Tokushima University (Tokushima Univ.)
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Speaker Author-1 
Date Time 2007-06-21 11:10:00 
Presentation Time 20 minutes 
Registration for VLD 
Paper # CAS2007-7, VLD2007-23, SIP2007-37 
Volume (vol) vol.107 
Number (no) no.100(CAS), no.102(VLD), no.104(SIP) 
Page pp.37-42 
#Pages 6 
Date of Issue 2007-06-14 (CAS, VLD, SIP) 

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