Chinese Optics Letters, Volume. 14, Issue 9, 090602(2016)

Indoor imaging visible light positioning with sampled sparse light source and mobile device

Heqing Huang1,2, Lihui Feng1、*, Guoqiang Ni1,2, and Aiying Yang1
Author Affiliations
  • 1School of Optoelectronics, Beijing Institute of Technology, Beijing 100081, China
  • 2Key Laboratory of Photo-electronic Imaging Technology and System, Ministry of Education of China, Beijing 100081, China
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    Figures & Tables(12)
    Typical scenario of indoor imaging positioning.
    (a) Positioning cellular and principle, (b) azimuth, roll, and pitch angle of mobile device.
    Flow chart of the imaging positioning algorithm.
    Block diagram of the imaging positioning system.
    Scenario of the imaging positioning cellular.
    (a) Captured image at (0.8, 0.2, 0.2), (b) corresponding restructured image at (0.8, 0.2, 0.2).
    (a) 2D positioning errors with azimuth, roll, and pitch angles equal to 0°, (b) 3D positioning errors with azimuth, roll, and pitch angles equal to 0°.
    CDFs of positioning errors with (a) azimuth, roll and pitch angles equal 0°, (b) azimuth angle equals 270°, roll and pitch angles equal 0°.
    (a) 2D positioning errors with azimuth angle equal to 270°, roll, and pitch angles equal to 0°, (b) 3D positioning errors with azimuth angle equal to 270°, and roll and pitch angles equal to 0°.
    (a) 2D positioning errors with azimuth angle equal to 270°, and roll and pitch angle equal to 5°, (b) 3D positioning errors with azimuth angle equal to 270°, and roll and pitch angles equal to 5°.
    CDFs of positioning errors with azimuth angle equal to 270°, roll, and pitch angles equal to 5°.
    • Table 1. Key Parameters of Positioning System.

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      Table 1. Key Parameters of Positioning System.

      ParametersValue
      Space coordinate of lamp (m)(0.35, 0.35, 1.8)
      Diameter of lamp (mm)84
      Light output power of lamp (W)5
      Injection current of lamp (A)0.5
      Focal length of receiver (mm)2.1
      Pixel number of image sensor1280×960
      Pixel size of image sensor (μm)1.9×1.9
      FOV of receiver (deg.)60.3
      Aperture of receiver2.4
      Cellular size (m)0.7×0.7×1.8
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    Heqing Huang, Lihui Feng, Guoqiang Ni, Aiying Yang. Indoor imaging visible light positioning with sampled sparse light source and mobile device[J]. Chinese Optics Letters, 2016, 14(9): 090602

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Mar. 9, 2016

    Accepted: Jul. 1, 2016

    Published Online: Aug. 3, 2018

    The Author Email: Lihui Feng (lihui.feng@bit.edu.cn)

    DOI:10.3788/COL201614.090602

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