Fen Wu, Li Peng, Peng Han, Kaiqing Luo, Dongmei Liu, Jian Qiu. Research on Non-Contact Heart Rate Measurement Method Based on Self-Optimizing Normalized Least Mean Square Algorithm[J]. Laser & Optoelectronics Progress, 2021, 58(20): 2011004
- Laser & Optoelectronics Progress
- Vol. 58, Issue 20, 2011004 (2021)
Fig. 1. Flow chart of heart rate measurement using IPPG method
Fig. 2. Time domain signal. (a) Original pulse wave; (b) background signal
Fig. 3. Schematic diagram of proposed experimental device
Fig. 4. Bland-Altman analysis of actual heart rate values and self-optimizing measured heart rate values under different light conditions
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Table 1. Heart rate measurement error under different conditions unit: bit·min-1
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Table 2. Heart rate results under different measurement methods
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Table 3. Average heart rate of different testers under different light conditions unit: bit·min-1
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