Fig. 1. Visible light indoor positioning model

Fig. 2. Schematic of positioning target matching range

Fig. 3. Schematic of plane positioning segmentation

Fig. 4. Schematic of bilinear interpolation

Fig. 5. Schematic of matching positioning

Fig. 6. Experiment results of accuracy degree

Fig. 7. Experimental results for different numbers of light sources

Fig. 8. Running time map of algorithm

Fig. 9. Motion trajectory diagram of positioning target. (a) Actual trajectory; (b) scattered point location; (c) Kalman filtering result