Ling Qin, Dongxing Wang, Fengying Wang, Xiaoli Hu. Indoor Visible Light Positioning Method Based on Extreme Learning Machine Neural Network[J]. Laser & Optoelectronics Progress, 2022, 59(3): 0304002
- Laser & Optoelectronics Progress
- Vol. 59, Issue 3, 0304002 (2022)
Fig. 1. Model of the indoor VLP
Fig. 2. Structure of the ELM neural network
Fig. 3. RMSE of the ELM prediction model
Fig. 4. Positioning error of the ELM method
Fig. 5. Positioning results of different methods. (a) ELM method; (b) SVM method; (c) BP method; (d) GA-BP method
Fig. 6. Cumulative probability distribution of positioning errors
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Table 1. RMSE of models with different number of hidden layer neuronsunit: cm
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Table 2. Simulation parameters
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Table 3. Positioning errors of different methodsunit: cm
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Table 4. Positioning time of different methodsunit: s
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