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Paper Abstract and Keywords
Presentation 2007-12-14 10:20
A VGA 30-fps Real-Time Optical-Flow Processor Core for Moving Picture Recognition
Hajime Ishihara, Masayuki Miyama (Kanazawa Univ.), Yuichiro Murachi, Hiroshi Kawaguchi, Masahiko Yoshimoto (Kobe Univ.), Yoshio Matsuda (Kanazawa Univ.) ICD2007-131
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes an optical-flow processor for real-time video recognition. This processor is based on the Pyramidal Lucas and Kanade (PLK) algorithm and has smaller chip size, higher resolution and higher accuracy than conventional ones. Introduction of search range limitation and Carman filter to the original algorithm improves accuracy by 0.59° and reduces the processor hardware cost by 96 %. Furthermore, the window interleaving and window overlap methods can reduce the necessary clock frequency of the processor by 70%. The proposed processor can handle a VGA 30-fps image sequence with 332 MHz clock frequency. The core size and power consumption in 90-nm process technology are estimated as 3.5 × 3.0 mm2 and 600 mW, respectively.
Keyword (in Japanese) (See Japanese page) 
(in English) Optical Flow / VLSI / Processor / Real Time / Video Recognition / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 382, ICD2007-131, pp. 65-70, Dec. 2007.
Paper # ICD2007-131 
Date of Issue 2007-12-06 (ICD) 
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 ICD2007-131

Conference Information
Committee ICD ITE-CE  
Conference Date 2007-12-13 - 2007-12-14 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ICD 
Conference Code 2007-12-ICD-ITE-CE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A VGA 30-fps Real-Time Optical-Flow Processor Core for Moving Picture Recognition 
Sub Title (in English)  
Keyword(1) Optical Flow  
Keyword(2) VLSI  
Keyword(3) Processor  
Keyword(4) Real Time  
Keyword(5) Video Recognition  
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1st Author's Name Hajime Ishihara  
1st Author's Affiliation Kanazawa University (Kanazawa Univ.)
2nd Author's Name Masayuki Miyama  
2nd Author's Affiliation Kanazawa University (Kanazawa Univ.)
3rd Author's Name Yuichiro Murachi  
3rd Author's Affiliation Kobe University (Kobe Univ.)
4th Author's Name Hiroshi Kawaguchi  
4th Author's Affiliation Kobe University (Kobe Univ.)
5th Author's Name Masahiko Yoshimoto  
5th Author's Affiliation Kobe University (Kobe Univ.)
6th Author's Name Yoshio Matsuda  
6th Author's Affiliation Kanazawa University (Kanazawa Univ.)
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Speaker Author-1 
Date Time 2007-12-14 10:20:00 
Presentation Time 25 minutes 
Registration for ICD 
Paper # ICD2007-131 
Volume (vol) vol.107 
Number (no) no.382 
Page pp.65-70 
#Pages 6 
Date of Issue 2007-12-06 (ICD) 

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