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Camera Pose Estimation Using a VLC-Modulated Single Rectangular LED for Indoor Positioning | IEEE Journals & Magazine | IEEE Xplore

Camera Pose Estimation Using a VLC-Modulated Single Rectangular LED for Indoor Positioning


Abstract:

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 ...Show More

Abstract:

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.
Article Sequence Number: 8505511
Date of Publication: 10 October 2022

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