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Non-contact heart rate and respiratory monitoring based on Imaging Photoplethysmography at fingertip
Qiao WenLong1,2; Zhou Liang2; Liu Zhaohui2; Yu Jiangjun1,2; Sun Xiaoxiao1,2
2020
会议名称Applied Optics and Photonics China (AOPC) Conference - Optical Spectroscopy and Imaging and Biomedical Optics
会议录名称AOPC 2020: OPTICAL SPECTROSCOPY AND IMAGING; AND BIOMEDICAL OPTICS
卷号11566
会议日期2020-11-30
会议地点Beijing, PEOPLES R CHINA
出版者SPIE-INT SOC OPTICAL ENGINEERING
产权排序1
摘要

In this paper, we use imaging photoplethysmography (IPPG) to realize non-contact measurement of blood volume change of human fingertip, which can avoid distortion of blood vessel wall caused by pressure applied to fingertip. We use CMOS color camera to collect signals and white LED as light source. In the process of signal processing, we abandon the traditional morphological filtering algorithm in the form of double-layer cascade, and use single-layer morphological filtering algorithm. Experiments show that the single-layer morphological filtering algorithm has a good effect of eliminating baseline drift of signals, and can perfectly retain the detail components of signals without shifting the transverse components. We proposed a peak-to-valley value detection algorithm to calculate the heart rate by detecting the time interval between the adjacent peaks value. The experiment compared the accuracy of calculating the heart rate by using the traditional fast Fourier transform and the heart rate based on peak-to-valley value detection. The respiration rate was detected by using the third-order Butterworth filter. The accuracy of heart rate monitoring can be achieved at 97.86% and the accuracy of respiration monitoring can be achieved at 95.02%.

关键词Non-contact blood volume heart rate respiration rate imaging photoplethysmography (IPPG)
作者部门光电跟踪与测量技术研究室
DOI10.1117/12.2579405
收录类别CPCI
ISBN号978-1-5106-3954-6
语种英语
ISSN号0277-786X;1996-756X
WOS记录号WOS:000661249000034
引用统计
文献类型会议论文
条目标识符http://ir.opt.ac.cn/handle/181661/94942
专题光电跟踪与测量技术研究室
通讯作者Zhou Liang
作者单位1.Chinese Academy of Sciences Xi'an Institute of Optics & Precision Mechanics, CAS
2.Chinese Academy of Sciences University of Chinese Academy of Sciences, CAS
推荐引用方式
GB/T 7714
Qiao WenLong,Zhou Liang,Liu Zhaohui,et al. Non-contact heart rate and respiratory monitoring based on Imaging Photoplethysmography at fingertip[C]:SPIE-INT SOC OPTICAL ENGINEERING,2020.
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