https://www.selleckchem.com/pr....oducts/bms-986205.ht
For the current problems of extremely complex visible light indoor positioning algorithms and devices and low positioning accuracy, this paper proposes an improved indoor positioning method combining light-emitting diode (LED) visible light and quick response (QR) codes. First, initial positioning is achieved by loading a QR code image containing LED position information on the LED light, which is recognized and decoded by the receiver. Then the position of the receiver is precisely located by proposing an improved indoor positioning
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