Researching | Continuous frame photography method based on Moire fringe technique for obtaining radial pulse waves

Optical Instruments, Volume. 47, Issue 1, 41(2025)

Continuous frame photography method based on Moire fringe technique for obtaining radial pulse waves

Xianyang TIAN¹, Zexi ZHENG^1,2、*, Huazhong XIANG¹, Jiaqing TAO¹, and Zhixian MEI¹

Author Affiliations

¹Shanghai Engineering Research Center of Interventional Medical Device, University of Shanghai forScience and Technology, Shanghai 200093, China

²School of Mechanical Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China

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Figures & Tables(11)

Fig. 1. Schematic diagram of radial pulse

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Fig. 2. Schematic diagram of Moire fringes

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Fig. 3. Schematic diagram of acquisition device

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Fig. 4. Original pulse wave signal

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Fig. 5. Frequency amplitude spectrum and pulse wave before and after preprocess

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Fig. 6. VMD decomposition and pulse wave reconstruction

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Fig. 7. Characteristic points of pulse waves

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Fig. 8. Pulse wave waveforms of 20 participants

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Fig. 9. Bland-Altman plot of heart rate obtained by two methods

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Fig. 10. Comparison chart of pulse wave and waveform

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Table 1. Proportion of characteristic points, physiological parameters, and characteristic periods of pulse waves

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Table 1. Proportion of characteristic points, physiological parameters, and characteristic periods of pulse waves

实验组	特征点							生理参数			特征周期占比/%
实验组	A	B	C	D	E	F		R_h/(次·min⁻¹)	V_hr/ms		R_AB	R_CD	R_EF
1	17	17	17	17	13	13		68	44		100	100	76
2	15	15	15	15	12	12		60	29		100	100	80
3	16	16	12	12	14	14		64	47		100	75	88
4	17	17	16	16	14	14		68	36		100	94	82
5	16	16	13	13	11	11		64	43		100	81	69
6	19	19	18	18	17	17		76	21		100	95	89
7	20	20	18	18	19	19		80	16		100	90	95
8	16	16	15	15	14	14		64	55		100	94	88
9	19	19	15	15	13	13		72	65		100	79	68
10	16	16	11	11	11	11		64	37		100	69	69
11	17	17	16	16	13	13		68	42		100	94	76
12	16	16	14	14	13	13		64	41		100	88	81
13	18	18	16	16	10	10		72	32		100	89	56
14	20	20	17	17	16	16		80	15		100	85	80
15	21	21	15	15	18	18		84	17		100	71	86
16	16	16	15	15	12	12		64	22		100	94	75
17	16	16	16	16	12	12		64	40		100	100	75
18	17	17	15	15	15	15		68	60		100	88	88
19	17	17	3	3	11	11		68	21		100	18	65
20	8	8	2	2	2	2		84	—		38	10	10

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Xianyang TIAN, Zexi ZHENG, Huazhong XIANG, Jiaqing TAO, Zhixian MEI. Continuous frame photography method based on Moire fringe technique for obtaining radial pulse waves[J]. Optical Instruments, 2025, 47(1): 41

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Paper Information

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Received: Jan. 7, 2024

Accepted: --

Published Online: Apr. 1, 2025

The Author Email: Zexi ZHENG (zexizheng@outlook.com)

DOI:10.3969/j.issn.1005-5630.202401070002

Topics

laser devices and laser physics

Lasers and Laser Optics

laser manufacturing

Instrumentation, Measurement and Metrology