[1]郭树言,王黎明,牛晓东,等.基于EMD的自适应ECG信号基线漂移消除方法研究[J].中国医学物理学杂志,2020,37(3):342-349.[doi:DOI:10.3969/j.issn.1005-202X.2020.03.017]
 GUO Shuyan,WANG Liming,NIU Xiaodong,et al.Removal of baseline wander from ECG signals using adaptive method based on empirical mode decomposition[J].Chinese Journal of Medical Physics,2020,37(3):342-349.[doi:DOI:10.3969/j.issn.1005-202X.2020.03.017]
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基于EMD的自适应ECG信号基线漂移消除方法研究()
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《中国医学物理学杂志》[ISSN:1005-202X/CN:44-1351/R]

卷:
37
期数:
2020年第3期
页码:
342-349
栏目:
医学信号处理与医学仪器
出版日期:
2020-03-25

文章信息/Info

Title:
Removal of baseline wander from ECG signals using adaptive method based on empirical mode decomposition
文章编号:
1005-202X(2020)03-0342-08
作者:
郭树言王黎明牛晓东张岩李集照赵越
中北大学信息探测与处理山西省重点实验室, 山西 太原 030051
Author(s):
GUO Shuyan WANG Liming NIU Xiaodong ZHANG Yan LI Jizhao ZHAO Yue
Shanxi Key Laboratory of Signal Capturing and Processing, North University of China, Taiyuan 030051, China
关键词:
心电信号基线漂移EMD方法自适应性
Keywords:
Keywords: electrocardiogram signal baseline wander empirical mode decomposition adaptive
分类号:
R318;TN911.72
DOI:
DOI:10.3969/j.issn.1005-202X.2020.03.017
文献标志码:
A
摘要:
对比目前使用EMD或改进EMD方法进行的心电(ECG)信号基线漂移去除算法的实现。本文在详细考察EMD方法过程的基础上,提出一种与EMD物理意义高度契合的完全自适应的基线漂移算法,通过计算ECG平均心率周期,与EMD分解产生的IMF分量的“周期”进行对比,分离出不属于ECG信号的低频IMF分量,然后重构其余IMF分量得到去除基线漂移的ECG信号。使用美国麻省理工学院提供的MIT-BIH心率失常数据库中的原始ECG对本文提出的基线漂移去除方法进行定性分析。使用ECGSYN(实际ECG波形发生器)产生模拟干净的ECG信号,加入已知的低频信号作为基线漂移噪声,对本文提出的基线漂移去除方法进行定量分析。
Abstract:
Abstract: Nowadays, the algorithm for removing the baseline wander from electrocardiogram (ECG) signal is implemented by empirical mode decomposition (EMD) or improved EMD. Based on EMD, a fully adaptive baseline wander removal algorithm that is highly compatible with the physical meaning of EMD is proposed. By calculating the average heart rate period of ECG signal and comparing it with the "period" of the IMF component generated by EMD, the low-frequency IMF component that is not part of the ECG signal is separated, and then the remaining IMF components are reconstructed for obtaining the ECG signal after baseline wander removal. The proposed baseline wander removal method is qualitatively analyzed using the original ECG signal from the MIT-BIH arrhythmia database provided by the Massachusetts Institute of Technology. ECGSYN (actual ECG waveform generator) is used to generate pure ECG signal, and the known low-frequency signal is added as the baseline wander for quantitatively analyzing the proposed baseline wander removal method.

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备注/Memo

备注/Memo:
【收稿日期】2019-10-21 【基金项目】国家自然科学基金(61801437, 61571404, 61871351) 【作者简介】郭树言,硕士,主要研究方向:信号处理算法,E-mail: hollowthing@outlook.com
更新日期/Last Update: 2020-04-02