Research on Non-Contact Heart Rate Measurement Method Based on Self-Optimizing Normalized Least Mean Square Algorithm

Fen Wu; Li Peng; Peng Han; Kaiqing Luo; Dongmei Liu; Jian Qiu

doi:10.3788/LOP202158.2011004

Laser & Optoelectronics Progress, Volume. 58, Issue 20, 2011004(2021)

Research on Non-Contact Heart Rate Measurement Method Based on Self-Optimizing Normalized Least Mean Square Algorithm

Fen Wu¹, Li Peng^1,2、**, Peng Han^1,2, Kaiqing Luo^1,2, Dongmei Liu^1,2, and Jian Qiu^1,2、*

¹Guangdong Provincial Engineering Technology Research Center for Optoelectronic Instrument, School of Physics and Telecommunication Engineering, South China Normal University,Guangzhou, Guangdong 510006, China

²Qingyuan Institute of Science and Technology Innovation, South China Normal University , Qingyuan, Guangdong 511517, China

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Figures & Tables(7)

Fig. 1. Flow chart of heart rate measurement using IPPG method

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Fig. 2. Time domain signal. (a) Original pulse wave; (b) background signal

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Fig. 3. Schematic diagram of proposed experimental device

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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 1. Heart rate measurement error under different conditions unit: bit·min^-1
Control factor μ Condition 1 Condition 2 Condition 3
M1 M2 M3 M1 M2 M3 M1 M2 M3
μ=1.8 -1 3 -4 1 1 -3 -19 15 -14
μ=1.4 0 1 -3 1 0 -3 -17 15 -17
μ=1.0 2 1 -1 -5 2 -11 -2 11 -8
μ=0.6 -7 3 -1 -11 5 -16 3 4 -5
μ=0.2 -6 4 -2 -13 8 -15 1 4 -3

Table 2. Heart rate results under different measurement methods

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Table 2. Heart rate results under different measurement methods

Heart rate results		ME /(bit·min^-1)			MAPE /%			Pearson correlation coefficient r
Heart rate results		Light 1	Light 2	Light 3	Light 1	Light 2	Light 3	Light 1	Light 2	Light 3
Method 1	--	0.50	10.53	13.64	2.23	14.77	18.69	0.78	0.48	0.26
Method 2	μ=1.8	0.48	0.97	1.55	2.02	2.20	2.96	0.78	0.67	0.61
	μ=1.4	0.51	0.97	1.98	2.19	2.20	3.24	0.77	0.67	0.59
	μ=1.0	0.45	1.03	2.60	1.93	2.12	3.15	0.79	0.69	0.57
	μ=0.6	0.45	0.97	2.23	1.93	2.20	3.36	0.79	0.66	0.56
	μ=0.2	0.42	0.61	2.59	1.82	2.12	3.65	0.80	0.67	0.57
Method 3	μ_so	0.30	0.60	1.22	1.69	1.73	2.08	0.82	0.78	0.70

Table 3. Average heart rate of different testers under different light conditions unit: bit·min^-1

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Table 3. Average heart rate of different testers under different light conditions unit: bit·min^-1

Tester	Actual heart rate			Original measured heart rate			Self-optimizing measured heart rate
Tester	Light 1	Light 2	Light 3	Light 1	Light 2	Light 3	Light 1	Light 2	Light 3
Tester 1	66	64	67	65	70	60	65	64	65
Tester 2	71	71	73	68	65	65	71	72	69
Tester 3	76	76	75	75	68	71	75	78	76
Tester 4	67	67	68	68	60	64	68	67	69
Tester 5	69	68	68	66	64	55	69	68	65
Tester 6	82	81	83	82	78	68	82	82	85
Tester 7	71	71	70	71	76	60	71	73	70
Tester 8	80	78	83	79	74	65	81	79	80

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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

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Paper Information

Category: Imaging Systems

Received: Jan. 4, 2021

Accepted: Jan. 20, 2021

Published Online: Oct. 14, 2021

The Author Email: Peng Li (Pengli27@126.com), Qiu Jian (qiuj@scnu.edu.cn)

DOI:10.3788/LOP202158.2011004

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Heart rate measurement error under different conditions unit: bit·min-1

Table 1. Heart rate measurement error under different conditions unit: bit·min-1

Table 2. Heart rate results under different measurement methods

Table 2. Heart rate results under different measurement methods

Table 3. Average heart rate of different testers under different light conditions unit: bit·min-1

Table 3. Average heart rate of different testers under different light conditions unit: bit·min-1

Table 1. Heart rate measurement error under different conditions unit: bit·min^-1

Table 1. Heart rate measurement error under different conditions unit: bit·min^-1

Table 3. Average heart rate of different testers under different light conditions unit: bit·min^-1

Table 3. Average heart rate of different testers under different light conditions unit: bit·min^-1