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Paper Abstract and Keywords
Presentation 2007-10-26 10:00
A Projective Transformation of VGA Video Images Realized by the use of a small-scall DSP with Parallel DataPaths -- Two Proposals for Fast Transformation --
Ryo Ozaki, Hiroshi Ohta (Okayama Univ. of Science), Yuji Sugiyama, Takuji Okamoto (Okayama Univ.) SIP2007-126 ICD2007-115 IE2007-85
Abstract (in Japanese) (See Japanese page) 
(in English) This paper describes a projective transformation for VGA video image with a small-scale DSP which have parallel data-paths and a small amount of local memory. Two new techniques are introduced to speed up this
transformation. One is a technique to calculate the plural number of coordinate values for the transformation by the using of recurrent formula in parallel and only additions. The other is one to minimize execution time of every SIMD instruction to read out pixels for interpolation from the local memory. According to experiments carried out
by the use of CW4511(DSP manufactured by ChipWrights Co.) with above techniques, frame rate of projective transformation for VGA video image was at about 26fps.
Keyword (in Japanese) (See Japanese page) 
(in English) projective transformation / video image / DSP / real-time processing / parallel processing / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 290, IE2007-85, pp. 19-24, Oct. 2007.
Paper # IE2007-85 
Date of Issue 2007-10-19 (SIP, ICD, IE) 
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 SIP2007-126 ICD2007-115 IE2007-85

Conference Information
Committee SIP ICD IE IPSJ-SLDM  
Conference Date 2007-10-25 - 2007-10-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Aidu-Higasiyama-Onsen Kuturogijuku 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To IE 
Conference Code 2007-10-SIP-ICD-IE-SLDM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Projective Transformation of VGA Video Images Realized by the use of a small-scall DSP with Parallel DataPaths 
Sub Title (in English) Two Proposals for Fast Transformation 
Keyword(1) projective transformation  
Keyword(2) video image  
Keyword(3) DSP  
Keyword(4) real-time processing  
Keyword(5) parallel processing  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Ryo Ozaki  
1st Author's Affiliation Okayama University of Science (Okayama Univ. of Science)
2nd Author's Name Hiroshi Ohta  
2nd Author's Affiliation Okayama University of Science (Okayama Univ. of Science)
3rd Author's Name Yuji Sugiyama  
3rd Author's Affiliation Okayama University (Okayama Univ.)
4th Author's Name Takuji Okamoto  
4th Author's Affiliation Okayama University (Okayama Univ.)
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Speaker Author-1 
Date Time 2007-10-26 10:00:00 
Presentation Time 20 minutes 
Registration for IE 
Paper # SIP2007-126, ICD2007-115, IE2007-85 
Volume (vol) vol.107 
Number (no) no.286(SIP), no.288(ICD), no.290(IE) 
Page pp.19-24 
#Pages 6 
Date of Issue 2007-10-19 (SIP, ICD, IE) 

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