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- W4385612816 abstract "We study a visible light communication (VLC) system that modulates data signals by changing the color components of image contents on a digital signage display, captures them with an image sensor, and demodulates them using image processing. This system requires that the modulated data signals should not be perceived by the human eye. Previous studies have proposed modulation methods with a chromaticity component that is difficult for the human eye to perceive, and we have also proposed a modulation method with perceptually uniform color space based on human perception characteristics. However, which chromaticity component performs better depends on the image contents, and the evaluation only for some specific image contents was not sufficient. In this paper, we evaluate the communication and visual quality of the modulation methods with chromaticity components for various standard images to clarify the superiority of the method with perceptually uniform color space. In addition, we propose a novel modulation and demodulation method using diversity combining to eliminate the dependency of performance on the image contents. Experimental results show that the proposed method can improve the communication and visual quality for almost all the standard images." @default.
- W4385612816 created "2023-08-07" @default.
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- W4385612816 date "2023-01-01" @default.
- W4385612816 modified "2023-10-16" @default.
- W4385612816 title "Effect of perceptually uniform color space and diversity of chromaticity components on digital signage and image sensor-based visible light communication" @default.
- W4385612816 doi "https://doi.org/10.1587/transfun.2023eap1052" @default.
- W4385612816 hasPublicationYear "2023" @default.
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