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Paper Abstract and Keywords
Presentation 0000-00-00 00:00
Overlay Coding for Visible Light Communication using LED Array and High-Speed Camera
Sayaka Nishimoto, Toru Nagura, Takaya Yamazato, Tomohiro Yendo (Nagoya Univ.), Toshiaki Fujii (Tokyo Inst. of Tech.), Hiraku Okada (Saitama Univ.), Shintaro Arai (Aichi Univ. of Tech.)
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we discuss on visible light communications using an LED array as the transmitter and a highspeed camera as the receiver. A challenge is that the longer the distance between the transmitter and the receiver, the more reduction in the resolution of the receive image occurs. To solve the problem, we allocate high priority data to low frequency components of spatial frequency. Then, we can receive high priority data even if the receiver is far from the transmitter. For that, we have used the Wavelet transform in our previous researches. However, the conventional scheme limits the number and the disposition of LEDs which can be allocated data. In other words, the hierarchical coding using the Wavelet transform has a low degree of freedom of design. In this paper, to improve a degree of freedom of design, we propose the overlay coding which does not limit the number and the disposition of LEDs.
Keyword (in Japanese) (See Japanese page) 
(in English) Visible Light Communication / Road-to-Vehicle Communication / Hierarchical Coding / / / / /  
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Conference Information
Conference Date 2011-02-21 - 2011-02-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To IEICE-ITS 
Conference Code 2011-02-ITS-IE-AIT-HI-ME 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Overlay Coding for Visible Light Communication using LED Array and High-Speed Camera 
Sub Title (in English)  
Keyword(1) Visible Light Communication  
Keyword(2) Road-to-Vehicle Communication  
Keyword(3) Hierarchical Coding  
1st Author's Name Sayaka Nishimoto  
1st Author's Affiliation Nagoya University (Nagoya Univ.)
2nd Author's Name Toru Nagura  
2nd Author's Affiliation Nagoya University (Nagoya Univ.)
3rd Author's Name Takaya Yamazato  
3rd Author's Affiliation Nagoya University (Nagoya Univ.)
4th Author's Name Tomohiro Yendo  
4th Author's Affiliation Nagoya University (Nagoya Univ.)
5th Author's Name Toshiaki Fujii  
5th Author's Affiliation Tokyo Instisute of Technology (Tokyo Inst. of Tech.)
6th Author's Name Hiraku Okada  
6th Author's Affiliation Saitama University (Saitama Univ.)
7th Author's Name Shintaro Arai  
7th Author's Affiliation Aichi University of Technology (Aichi Univ. of Tech.)
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Speaker Author-1 
Date Time 0000-00-00 00:00:00 
Presentation Time minutes 
Registration for IEICE-ITS 
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Volume (vol) vol.35 
Number (no)  
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