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Camera Pose Estimation Using a VLC-Modulated Single Rectangular LED for Indoor Positioning
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DOI：10.1109/TIM.2022.3212980.png)
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Abstract
En 中文
An indoor positioning algorithm is presented that uses a single rectangular visible light communication (VLC)-modulated LED as a transmitter and the CMOS image sensor of a smartphone camera as a receiver. The real-world location of the LED is transmitted as a VLC signal that is decoded by the smartphone using optical camera communication (OCC). Then, the location of the smartphone is calculated by finding the camera pose using the perspective-n-point (PnP) algorithm on the real-world coordinates and corresponding image coordinates of the LED. The algorithm is experimentally evaluated as a real-time application running on a smartphone. The experimental results show that the algorithm can achieve an average 3-D positioning error of less than 5 cm for an arbitrarily tilted smartphone.
Keywords:
Cameras
Light emitting diodes
Compass
Sensors
Lighting
Shape
Real-time systems
Optical camera communication (OCC)
perspective-n-point (PnP) algorithm
visible light positioning (VLP)
Journal
IF:
5.9
Papers:
1.9W
Citations:
5.8W
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