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Paper Abstract and Keywords
Presentation 2010-01-29 14:30
A Current-mode Motion Field Generator Enploying CMOS Bump Circuits
Prabhath Weerawardhana, Tadashi Shibata (Univ. of Tokyo.) ICD2009-113
Abstract (in Japanese) (See Japanese page) 
(in English) A Real time CMOS optical flow sensor has been developed based on a block-matching algorithm. Bump circuits are utilized to generate exponentially proportional currents to absolute pixel intensity difference (APID). The currents are stored in memories and accumulated for block comparison using only nearest neighbor blocks. The Laplacian-distribution-like current-voltage characteristics would enable us to amplify smaller APID and are expected to increase the sensitivity. The chip was designed in a 0.18-μm 5-metal CMOS technology and sent to fabrication. The performance of the system was confirmed using HSPICE simulation. The chip is capable of dealing with 10416frame/sec image sequence for a 34x31 photo diode array using 340 kHz clock pulse.
Keyword (in Japanese) (See Japanese page) 
(in English) Optical Flow / Block Matching / Custom VLSI / / / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 405, ICD2009-113, pp. 109-114, Jan. 2010.
Paper # ICD2009-113 
Date of Issue 2010-01-21 (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 ICD2009-113

Conference Information
Committee ICD IPSJ-ARC IPSJ-EMB  
Conference Date 2010-01-28 - 2010-01-29 
Place (in Japanese) (See Japanese page) 
Place (in English) T.B.D. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ICD 
Conference Code 2010-01-ICD-ARC-EMB 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Current-mode Motion Field Generator Enploying CMOS Bump Circuits 
Sub Title (in English)  
Keyword(1) Optical Flow  
Keyword(2) Block Matching  
Keyword(3) Custom VLSI  
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1st Author's Name Prabhath Weerawardhana  
1st Author's Affiliation The University of Tokyo (Univ. of Tokyo.)
2nd Author's Name Tadashi Shibata  
2nd Author's Affiliation The University of Tokyo (Univ. of Tokyo.)
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Speaker Author-1 
Date Time 2010-01-29 14:30:00 
Presentation Time 25 minutes 
Registration for ICD 
Paper # ICD2009-113 
Volume (vol) vol.109 
Number (no) no.405 
Page pp.109-114 
#Pages 6 
Date of Issue 2010-01-21 (ICD) 

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