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Real-time visible light positioning supporting fast moving speed.

Puxi Lin, Xubin Hu, Yukui Ruan

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    This summary is machine-generated.

    This study introduces a real-time visible light positioning (VLP) system for fast-moving mobile units. The system achieves high accuracy and low latency, making indoor positioning practical even at high speeds.

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    Area of Science:

    • Robotics and Automation
    • Computer Vision
    • Wireless Communication

    Background:

    • Visible Light Positioning (VLP) offers indoor positioning but faces challenges with latency and high-speed mobile units.
    • Existing VLP systems are often impractical for applications requiring real-time, high-speed tracking.

    Purpose of the Study:

    • To propose a real-time VLP system with low latency and high accuracy.
    • To enable practical indoor positioning for mobile units with high moving speeds.

    Main Methods:

    • Development of a lightweight image processing algorithm for VLP.
    • Implementation on a low-cost embedded system (Raspberry Pi).
    • Testing with mobile units at various speeds.

    Main Results:

    • Achieved a positioning accuracy of 3.93 cm.
    • Supported mobile unit speeds up to 38.5 km/h.
    • Demonstrated real-time indoor positioning capability.

    Conclusions:

    • The proposed real-time VLP system overcomes limitations of existing VLP technologies.
    • The system is practical for high-speed mobile applications due to its low latency and high accuracy.
    • Lightweight algorithms enable implementation on cost-effective embedded systems.