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27 March 2022 An efficient indoor visible light communication positioning method based on tilt single image sensor using single LED
Shaohua Zhou, Deqiang Ding, Jingyu Wang, Yuan Li, Cheng Bai
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Proceedings Volume 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications; 121694D (2022) https://doi.org/10.1117/12.2624079
Event: Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 2021, Kunming, China
Abstract
Most existing image-sensor-based indoor visible light positioning (VLP) systems use multiple light-emitting diodes (LEDs) or dual image sensor for vision analysis and have the disadvantage of the high computational cost of image processing. Moreover, most VLP systems are not practical for real-life use due to fixed image sensor orientation and lake of consideration on the tilt angle of the image sensor, and the effective positioning area is limited. In this paper, we propose a space-efficient and reality-efficient VLP method based on tilt single image sensor using single LED, which increases the effective positioning area, the reality and flexibility of lighting infrastructure design for real-life use. Based on the proposed method, a high speed and high precision VLP algorithm with commodity mobile phone was proposed, the simulation results show that the maximum positioning error is 5.5 cm and the average positioning error is 2.48 cm, which achieved a centimeter-level positioning accuracy with high positioning speed and large effective positioning area.
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Shaohua Zhou, Deqiang Ding, Jingyu Wang, Yuan Li, and Cheng Bai "An efficient indoor visible light communication positioning method based on tilt single image sensor using single LED", Proc. SPIE 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 121694D (27 March 2022); https://doi.org/10.1117/12.2624079
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KEYWORDS
Image sensors
Light emitting diodes
Image processing
LED lighting
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