Laser & Optoelectronics Progress, Volume. 60, Issue 19, 1906004(2023)
Visible Light Three-Dimensional Positioning System Based on Light-Emitting Diode and Image Sensor
With the rapid development of the Internet of Things, smart devices require high-precision, real-time location services. However, only two-dimensional positioning can be achieved in existing visible light positioning technologies; furthermore, the system is complex and has a low positioning accuracy and extended positioning time. To address these issues, this study proposes a visible light three-dimensional positioning system based on two light-emitting diodes (LEDs) and image sensors. First, a simulation model is established by combining the pinhole imaging model and the distortion model. Next, a stripe search algorithm based on bisection and a double pointer is proposed to rapidly determine the position of the LED on the image. Finally, the geometric features of the LEDs on the image are used to achieve three-dimensional positioning. After calculations, in a 100 cm×100 cm×300 cm space, the average positioning error of the simulation experiment is
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Yongze Xu, Zhe Chen. Visible Light Three-Dimensional Positioning System Based on Light-Emitting Diode and Image Sensor[J]. Laser & Optoelectronics Progress, 2023, 60(19): 1906004
Category: Fiber Optics and Optical Communications
Received: May. 19, 2022
Accepted: Jun. 13, 2022
Published Online: Sep. 25, 2023
The Author Email: Chen Zhe (thzhechen@163.com)