Toward Automated Analysis of Fetal Phonocardiograms: Comparing Heartbeat Detection from Fetal Doppler and Digital Stethoscope Signals
Toward Automated Analysis of Fetal Phonocardiograms: Comparing Heartbeat Detection from Fetal Doppler and Digital Stethoscope Signals
复制标题
胎儿心音图的自动分析:比较胎儿多普勒和数字听诊器信号的心跳检测
DOI:
10.1109/embc46164.2021.9629814
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发表时间:
2021
期刊:
影响因子:
--
通讯作者:
Lobaton, Edgar
中科院分区:
文献类型:
--
作者:
Chen, Yuhan;Wilkins, Michael D.;Barahona, Jeffrey;Rosenbaum, Alan J.;Daniele, Michael;Lobaton, Edgar
Longitudinal fetal health monitoring is essential for high-risk pregnancies. Heart rate and heart rate variability are prime indicators of fetal health. In this work, we implemented two neural network architectures for heartbeat detection on a set of fetal phonocardiogram signals captured using fetal Doppler and a digital stethoscope. We test the efficacy of these networks using the raw signals and the hand-crafted energy from the signal. The results show a Convolutional Neural Network is the most efficient at identifying the S1 waveforms in a heartbeat, and its performance is improved when using the energy of the Doppler signals. We further discuss issues, such as low Signal-to-Noise Ratios (SNR), present in the training of a model based on the stethoscope signals. Finally, we show that we can improve the SNR, and subsequently the performance of the stethoscope, by matching the energy from the stethoscope to that of the Doppler signal.
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影响因子:
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DOI:
10.1016/j.cca.2018.06.039
发表时间:
2018
期刊:
Clinica chimica acta; international journal of clinical chemistry
影响因子:
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--
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2016
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