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

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  • Okada Hiraku
    Institute of Materials and Systems for Sustainability, Nagoya University
  • Yoshida Shota
    Dept. of Information and Communication Engineering, Nagoya University
  • Wada Tadahiro
    Graduate School of Integrated Science and Technology, Shizuoka University
  • Kobayashi Kentaro
    Institute of Materials and Systems for Sustainability, Nagoya University
  • Katayama Masaaki
    Institute of Materials and Systems for Sustainability, Nagoya University

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Description

<p>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.</p>

Journal

  • IEICE Communications Express

    IEICE Communications Express 8 (8), 323-328, 2019

    The Institute of Electronics, Information and Communication Engineers

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