Noncontact heart beat signal extraction based on wavelet transform

被引：0
|
作者：
He, Mi [1 ]
Nian, Yongjian [1 ]
Liu, Bingwen [2 ]
机构：
[1] Third Mil Med Univ, Sch Biomed Engn, Chongqing 400038, Peoples R China
[2] PLA, Hosp 254, Tianjin 300142, Peoples R China
来源：
2015 8TH INTERNATIONAL CONFERENCE ON BIOMEDICAL ENGINEERING AND INFORMATICS (BMEI) | 2015年
关键词：
noncontac monitoring; radar; wavelet transform (WT); heart rate; respiration;
D O I：
暂无
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
Noncontact monitoring of vital signs by continuous wave Doppler radar is a promising technique in the field of health care. This paper proposed an improved heart beat signal extraction method based on wavelet transform for noncontact radar vital signal monitoring. The detection accuracy of heart beat rate by the proposed method was higher than bandpass filtering and empirical mode decomposition (EMD) method (all p<0.05) and the bandpass filtering method at different distances. Detection accuracy and signal to noise ratio varied inversely to distance. Male subjects in front case and female subjects in back case acquired higher accuracy than other orientations.
引用
收藏
页码：209 / 213
页数：5
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