File transfer system by a hidden ID signaling using camera in smart devices: Easy file sharing between computers and smart devices

Kuraki, Kensuke; Kato, Keizo; Nakagata, Shohei; Tanaka, Ryuta

doi:10.1109/cspa.2016.7515818

Cited by 2 publications

(2 citation statements)

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“…One of the characteristics of the human eyes is its insensitivity to gradual changes in visual contents. In [6], data information was transmitted using markers whose colors gradually change. This system can be realized by a conventional display and image sensors.…”

Section: Related Workmentioning

confidence: 99%

Preventing Degradation of the Quality of Visual Information in Digital Signage and Image-Sensor-Based Visible Light Communication Systems

et al. 2018

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In this paper, we propose an image-sensor-based visible light communication (IS-VLC) system that provides visual information in digital signage used for advertisements. One important issue of IS-VLC systems is the deterioration of visual information while transmitting the data information. Human eyes are sensitive to luminance but not to color difference; therefore, we propose the modulation of color difference. We evaluate the performance of the proposed system in terms of both the quality of visual information and communication quality of data information, and clarify the effectiveness of the proposed system.

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Section: Related Workmentioning

confidence: 99%

Preventing Degradation of the Quality of Visual Information in Digital Signage and Image-Sensor-Based Visible Light Communication Systems

et al. 2018

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“…In the IS-VLC system, it is important to prevent quality degradation of visual information that is overlaid with data information. There are schemes to solve this issue [7,8,9], but these schemes have problems such as a low data rate or requirement of a special display. To resolve these problems, we proposed color differential modulation for the IS-VLC system and clarified the capability of the transmission of data information while avoiding the quality degradation of the visual information [10].…”

Section: Introductionmentioning

confidence: 99%

Overlaying a motion video with data information for digital signage and image-sensor-based visible light communication systems

et al. 2019

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A digital signage image-sensor-based visible light communication (IS-VLC) system can transmit data information by embedding it on visual information. The use of a motion video as visual information makes it difficult to completely erase the visual information in this system. The extraction of data information is an important issue because the incomplete extraction will degrade the bit error rate performance. In this letter, we expand the IS-VLC system to overlay a motion video with data information by introducing a cell-position correction method and a noise elimination method. Experimental results clarify the effectiveness of the extended system.

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File transfer system by a hidden ID signaling using camera in smart devices: Easy file sharing between computers and smart devices

Cited by 2 publications

References 1 publication

Preventing Degradation of the Quality of Visual Information in Digital Signage and Image-Sensor-Based Visible Light Communication Systems

Preventing Degradation of the Quality of Visual Information in Digital Signage and Image-Sensor-Based Visible Light Communication Systems

Overlaying a motion video with data information for digital signage and image-sensor-based visible light communication systems

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