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Paper Abstract and Keywords
Presentation 2010-11-11 15:55
Improving the Performance of SIFT Using Bilateral Filter -- Fast Implementation with GPU --
Tomoaki Yamazaki, Jiro Katto (Waseda Univ.) IE2010-87
Abstract (in Japanese) (See Japanese page) 
(in English) SIFT is known as local features that has robustness against rotation, scale and illumination changes of the images. However, in matching by the original SIFT, there is a problem that the keypoints on edges often become false recognition. We had therefore presented a method for alleviating this problem by apply Bilateral filter instead of Gaussian filter that is used for smoothing process in SIFT. Bilateral filter does not decide a weight only by using distances between pixels, but also considers brightness differences of pixels, and in the location where a large pixel difference is observed, it keeps edges by reducing the weight. By using this method, the amount of information of image differences increases and improvement of correspondence accuracy is expected. However, there is a problem from the viewpoint of computational complexity. Therefore, we try to develop faster implementation of the proposal by using GPGPU. We accelerated the filtering process by CUDA which causes heavy increase in computation time, and confirm its faster processing.
Keyword (in Japanese) (See Japanese page) 
(in English) SIFT / Bilateral Filter / Features / Smoothing / GPGPU / CUDA / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 275, IE2010-87, pp. 19-24, Nov. 2010.
Paper # IE2010-87 
Date of Issue 2010-11-04 (IE) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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 IE ITE-AIT ITE-BCT ITE-ME  
Conference Date 2010-11-11 - 2010-11-12 
Place (in Japanese) (See Japanese page) 
Place (in English)  
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Paper Information
Registration To IE 
Conference Code 2010-11-IE-AIT-BCT-ME 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improving the Performance of SIFT Using Bilateral Filter 
Sub Title (in English) Fast Implementation with GPU 
Keyword(1) SIFT  
Keyword(2) Bilateral Filter  
Keyword(3) Features  
Keyword(4) Smoothing  
Keyword(5) GPGPU  
Keyword(6) CUDA  
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Keyword(8)  
1st Author's Name Tomoaki Yamazaki  
1st Author's Affiliation Waseda University (Waseda Univ.)
2nd Author's Name Jiro Katto  
2nd Author's Affiliation Waseda University (Waseda Univ.)
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Speaker Author-1 
Date Time 2010-11-11 15:55:00 
Presentation Time 25 minutes 
Registration for IE 
Paper # IE2010-87 
Volume (vol) vol.110 
Number (no) no.275 
Page pp.19-24 
#Pages
Date of Issue 2010-11-04 (IE) 


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