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Paper Abstract and Keywords
Presentation 2014-02-17 12:00
LED Array Acquisition Method Based on Time-gradient and Space-gradient Values for Road to Vehicle Visible Light Communication Using High-Speed Camera
Syunsuke Usui, Takaya Yamazato, Hiraku Okada, Toshiaki Fujii, Keita Takahashi (Nagoya Univ.), Shintaro Arai (Kagawa National Col. of Tech.), Tomohiro Yendo (Nagaoka Univ. of Tech.) ITS2013-39 IE2013-104
Abstract (in Japanese) (See Japanese page) 
(in English) This paper focuses on road-to-vehicle visible light
communication using an LED array as a transmitter
and a high-speed camera as a receiver. In this communication,
LED array acquisition has a significant role.
The spatio-temporal images are essential for a robust
LED array acquisition because the time-gradient and
space-gradient values can be an important feature
value of an LED array.
In this paper, we focus on the time-gradient
and the space-gradient values in the captured images and draws
both gradient value as a scatter diagram. This scatter diagram
enables us to regard the LED acquisition as discriminant analysis.
From the above, this paper proposes a new acquisition method
and confirms its effectiveness by the experiment in a driving situation.
Keyword (in Japanese) (See Japanese page) 
(in English) Visible Light Communication / High-Speed Camera / Image Processing / Spatio-temporal Image / Linear discriminant analysis / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 433, ITS2013-39, pp. 55-60, Feb. 2014.
Paper # ITS2013-39 
Date of Issue 2014-02-10 (ITS, IE) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 ITS2013-39 IE2013-104

Conference Information
Conference Date 2014-02-17 - 2014-02-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) ITS Image Processing, etc. 
Paper Information
Registration To ITS 
Conference Code 2014-02-ITS-IE-AIT-HI-ME 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) LED Array Acquisition Method Based on Time-gradient and Space-gradient Values for Road to Vehicle Visible Light Communication Using High-Speed Camera 
Sub Title (in English)  
Keyword(1) Visible Light Communication  
Keyword(2) High-Speed Camera  
Keyword(3) Image Processing  
Keyword(4) Spatio-temporal Image  
Keyword(5) Linear discriminant analysis  
1st Author's Name Syunsuke Usui  
1st Author's Affiliation Nagoya University (Nagoya Univ.)
2nd Author's Name Takaya Yamazato  
2nd Author's Affiliation Nagoya University (Nagoya Univ.)
3rd Author's Name Hiraku Okada  
3rd Author's Affiliation Nagoya University (Nagoya Univ.)
4th Author's Name Toshiaki Fujii  
4th Author's Affiliation Nagoya University (Nagoya Univ.)
5th Author's Name Keita Takahashi  
5th Author's Affiliation Nagoya University (Nagoya Univ.)
6th Author's Name Shintaro Arai  
6th Author's Affiliation Kagawa National College of Technology (Kagawa National Col. of Tech.)
7th Author's Name Tomohiro Yendo  
7th Author's Affiliation Nagaoka University of Technology (Nagaoka Univ. of Tech.)
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Date Time 2014-02-17 12:00:00 
Presentation Time 15 
Registration for ITS 
Paper # IEICE-ITS2013-39,IEICE-IE2013-104 
Volume (vol) IEICE-113 
Number (no) no.433(ITS), no.434(IE) 
Page pp.55-60 
#Pages IEICE-6 
Date of Issue IEICE-ITS-2014-02-10,IEICE-IE-2014-02-10 

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