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Implementation of QR Code Recognition Technology Using Smartphone Camera for Indoor Positioning

Author

Listed:
  • Ji-In Kim

    (Department of Information Communication Engineering, Chosun University, Gwangju 61452, Korea)

  • Hui-Seon Gang

    (Department of Information Communication Engineering, Chosun University, Gwangju 61452, Korea)

  • Jae-Young Pyun

    (Department of Information Communication Engineering, Chosun University, Gwangju 61452, Korea)

  • Goo-Rak Kwon

    (Department of Information Communication Engineering, Chosun University, Gwangju 61452, Korea)

Abstract

Numerous studies on positioning technology are ongoing for recognizing the positions of objects accurately. Vision-, sensor-, and signal-based technologies are combined for recognizing the positions of objects outdoors and indoors. While positioning technologies involving wireless communication based on sensors and signals are commonly used in outdoor environments, the performance becomes degraded in indoor environments. Therefore, a vision-based indoor positioning method using a QR code is proposed in this study. A user’s position is measured by determining the current position of a smartphone device accurately based on the QR code recognized with a smartphone camera. The direction, distance, and position are acquired using the relationship between the three-dimensional spatial coordinate information of the camera and the center point coordinates of a two-dimensional planar QR code obtained through camera calibration.

Suggested Citation

  • Ji-In Kim & Hui-Seon Gang & Jae-Young Pyun & Goo-Rak Kwon, 2021. "Implementation of QR Code Recognition Technology Using Smartphone Camera for Indoor Positioning," Energies, MDPI, vol. 14(10), pages 1-13, May.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:10:p:2759-:d:552556
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    References listed on IDEAS

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    1. Hui-Seon Gang & Jae-Young Pyun, 2019. "A Smartphone Indoor Positioning System Using Hybrid Localization Technology," Energies, MDPI, vol. 12(19), pages 1-20, September.
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