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浙江大学学报(工学版)  2017, Vol. 51 Issue (10): 2077-2083    DOI: 10.3785/j.issn.1008-973X.2017.10.024
电信技术     
基于高速摄像机的动态血压非接触获取
许文媛, 孟濬, 赵夕朦
浙江大学 电气工程学院, 浙江 杭州 310027
Non-contact monitoring of ambulatory blood pressure based on high speed camera
XU Wen-yuan, MENG Jun, ZHAO Xi-meng
College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China
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摘要:

为了实现基于高速摄像机的非接触、非介入式的动态血压获取,对血压与脉搏信号相位差、心率之间的函数关系进行理论推导;基于成像式光电容积描记技术,实现了通过高速摄像机非接触获取脉搏信号的相位差和心率;基于血压与脉搏信号相位差、心率之间的函数关系以及基于高速摄像机所获得的脉搏信号相位差和心率,通过曲线拟合得到血压与脉搏信号相位差、心率之间的函数关系的参数值,实现了基于高速摄像头的动态血压的非接触获取.为了验证基于高速摄像头获得的血压的准确性,以欧姆龙智能电子血压仪获得的血压为参照进行误差分析,所得的收缩压的误差为-4.03%~8.44%,舒张压的误差为-6.58%~8.90%.

Abstract:

A non-contact and non-invasive acquisition of ambulatory blood pressure was achieved based on a high speed camera. The functional relationship among blood pressure, phase difference of pulse wave and heart rate was obtained through theoretical deduction. Phase difference of pulse wave and heart rate were acquired through the high speed camera based on imaging photoplethysmographic. Parameters of the functional relationship were determined through curve fitting based on the functional relationship and the acquired phase difference and heart rate. Ambulatory blood pressure was obtained through the high speed camera. Error analysis was processed with reference to an Omron intelligent electronic sphygmomanometer in order to verify the accuracy of blood pressure acquired through the high speed camera. The obtained error of systolic blood pressure varied from -4.03 to 8.44 percent. The obtained error of diastolic blood pressure varied from -6.58 to 8.90 percent.

收稿日期: 2016-09-01 出版日期: 2017-09-27
CLC:  TN911  
基金资助:

浙江省公益性技术应用研究计划资助项目(2017C31079);浙江省科技厅科技计划公益技术研究基金资助项目(2011C23097);浙江省教育厅资助项目(Y20107866).

通讯作者: 孟濬,男,副教授.ORCID:0000-0002-7633-3624.     E-mail: junmeng@zju.edu.cn
作者简介: 许文媛(1992-),女,硕士生,从事生物特征提取和智能感知的研究.ORCID:0000-0002-0813-7138.E-mail:21410183@zju.edu.cn
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引用本文:

许文媛, 孟濬, 赵夕朦. 基于高速摄像机的动态血压非接触获取[J]. 浙江大学学报(工学版), 2017, 51(10): 2077-2083.

XU Wen-yuan, MENG Jun, ZHAO Xi-meng. Non-contact monitoring of ambulatory blood pressure based on high speed camera. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 2017, 51(10): 2077-2083.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2017.10.024        http://www.zjujournals.com/eng/CN/Y2017/V51/I10/2077

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