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Paper Abstract and Keywords
Presentation 2010-04-22 15:25
Speed-up of SAR Image Processing using Graphics Processing Units
Hiroyuki Sato, Shigeki Takase, Atsuo Ozaki, Toshio Wakayama (MELCO) SANE2010-2
Abstract (in Japanese) (See Japanese page) 
(in English) We sped up image formation processing for synthetic aperture radar (SAR) using a graphics processing unit (GPU), which is remarkable as a processor that can be speed-up at a low price. We adopted "Sub- aperture” method that was the image formation processing algorithm that suppressed the amount of the memory. To the problem of the data transfer between CPU and GPU requiring the processing time, we designed the method of executing the data transfer and the GPU operation processing at the same time. As a result, speed-up is 13 times to a general-purpose CPU 1 processor, 2.8 times to 8 processors. To make it to the execution time equal with GPU using a general-purpose cluster server, the size is 7 times, power consumption is 5 times, and the price is 3.8 times.
Keyword (in Japanese) (See Japanese page) 
(in English) Synthetic Aperture Radar / Image Formation Processing / Graphics Processing Units / Parallel Processing / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 8, SANE2010-2, pp. 7-12, April 2010.
Paper # SANE2010-2 
Date of Issue 2010-04-15 (SANE) 
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 SANE2010-2

Conference Information
Committee SANE  
Conference Date 2010-04-22 - 2010-04-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Subtropical Environment Remote-Sensing Center, NICT 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Earth observation and general 
Paper Information
Registration To SANE 
Conference Code 2010-04-SANE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Speed-up of SAR Image Processing using Graphics Processing Units 
Sub Title (in English)  
Keyword(1) Synthetic Aperture Radar  
Keyword(2) Image Formation Processing  
Keyword(3) Graphics Processing Units  
Keyword(4) Parallel Processing  
Keyword(5)  
Keyword(6)  
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1st Author's Name Hiroyuki Sato  
1st Author's Affiliation Mitsubishi Electric (MELCO)
2nd Author's Name Shigeki Takase  
2nd Author's Affiliation Mitsubishi Electric (MELCO)
3rd Author's Name Atsuo Ozaki  
3rd Author's Affiliation Mitsubishi Electric (MELCO)
4th Author's Name Toshio Wakayama  
4th Author's Affiliation Mitsubishi Electric (MELCO)
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Speaker Author-1 
Date Time 2010-04-22 15:25:00 
Presentation Time 25 minutes 
Registration for SANE 
Paper # SANE2010-2 
Volume (vol) vol.110 
Number (no) no.8 
Page pp.7-12 
#Pages 6 
Date of Issue 2010-04-15 (SANE) 

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