Color-filter-free spatial visible light communication using RGB-LED and mobile-phone camera

被引：14
|
作者：
Chen, Shih-Hao
Chow, Chi-Wai [1 ]
机构：
[1] Natl Chiao Tung Univ, Dept Photon, Hsinchu 30010, Taiwan
来源：
OPTICS EXPRESS | 2014年 / 22卷 / 25期
关键词：
PERFORMANCE; SYSTEM;
D O I：
10.1364/OE.22.030713
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A novel color-filter-free visible-light communication (VLC) system using red-green-blue (RGB) light emitting diode (LED) and mobile-phone camera is proposed and demonstrated for the first time. A feature matching method, which is based on the scale-invariant feature transform (SIFT) algorithm for the received grayscale image is used instead of the chromatic information decoding method. The proposed method is simple and saves the computation complexity. The signal processing is based on the grayscale image computation; hence neither color-filter nor chromatic channel information is required. A proof-of-concept experiment is performed and high performance channel recognition is achieved. (C) 2014 Optical Society of America
引用
收藏
页码：30713 / 30718
页数：6
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