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Paper Abstract and Keywords
Presentation 2009-10-15 16:00
An FFT Based Block Matching Algorithm with Double-search-window
Zhen Li, Hitoshi Kiya (Tokyo Metropolitan Univ.) SIP2009-64 IE2009-89
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we first propose double-search-window block matching and then describe an FFT-based fast algorithm for it. The double-search-window defines two different-sized search windows, the inside-search-window and the outside-search-window, for block matching. The proposed method achieves the same accuracy performance as a direct SSD full search in the inside-search-window. And in the outside-search-window it offers a pseudo-full-search result. By evaluating the results comprehensively, the proposed method could achieve more precise motion vectors as well as generate the predicted pictures with fewer matching errors, but with almost the same computational load as in the conventional single-search-window block matching.
Keyword (in Japanese) (See Japanese page) 
(in English) block matching / motion estimation / motion vector / double-search-window / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 227, IE2009-89, pp. 47-52, Oct. 2009.
Paper # IE2009-89 
Date of Issue 2009-10-08 (SIP, 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 SIP IE IPSJ-SLDM  
Conference Date 2009-10-15 - 2009-10-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Awara Onsen "Matsuya Sensen" 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Processor, DSP, image processing, etc. 
Paper Information
Registration To IE 
Conference Code 2009-10-SIP-IE-SLDM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An FFT Based Block Matching Algorithm with Double-search-window 
Sub Title (in English)  
Keyword(1) block matching  
Keyword(2) motion estimation  
Keyword(3) motion vector  
Keyword(4) double-search-window  
1st Author's Name Zhen Li  
1st Author's Affiliation Tokyo Metropolitan University (Tokyo Metropolitan Univ.)
2nd Author's Name Hitoshi Kiya  
2nd Author's Affiliation Tokyo Metropolitan University (Tokyo Metropolitan Univ.)
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Speaker Author-1 
Date Time 2009-10-15 16:00:00 
Presentation Time 20 minutes 
Registration for IE 
Paper # SIP2009-64, IE2009-89 
Volume (vol) vol.109 
Number (no) no.226(SIP), no.227(IE) 
Page pp.47-52 
Date of Issue 2009-10-08 (SIP, IE) 

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