Sparse representation-based ECG signal enhancement and QRS detection
Zhou, Yichao1,2; Hu, Xiyuan2; Tang, Zhenmin1; Ahn, Andrew C.3,4
2016-12-01
发表期刊PHYSIOLOGICAL MEASUREMENT
卷号37期号:12页码:2093-2110
文章类型Article
摘要Electrocardiogram (ECG) signal enhancement and QRS complex detection is a critical preprocessing step for further heart disease analysis and diagnosis. In this paper, we propose a sparse representation-based ECG signal enhancement and QRS complex detection algorithm. Unlike traditional Fourier or wavelet transform-based methods, which use fixed bases, the proposed algorithm models the ECG signal as the superposition of a few inner structures plus additive random noise, where these structures (referred to here as atoms) can be learned from the input signal or a training set. Using these atoms and their properties, we can accurately approximate the original ECG signal and remove the noise and other artifacts such as baseline wandering. Additionally, some of the atoms with larger kurtosis values can be modified and used as an indication function to detect and locate the QRS complexes in the enhanced ECG signals. To demonstrate the robustness and efficacy of the proposed algorithm, we compare it with several state-of-the-art ECG enhancement and QRS detection algorithms using both simulated and real-life ECG recordings.
关键词Ecg Enhancement Qrs Complex Detection Sparse Representation Dictionary Learning
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Technology
DOI10.1088/0967-3334/37/12/2093
关键词[WOS]EMPIRICAL MODE DECOMPOSITION ; COMPLEX DETECTION ; SHANNON ENERGY ; ALGORITHM ; ENVELOPE
收录类别SCI
语种英语
项目资助者National Natural Science Foundation of China(61571438) ; Institute for Integrative Health
WOS研究方向Biophysics ; Engineering ; Physiology
WOS类目Biophysics ; Engineering, Biomedical ; Physiology
WOS记录号WOS:000387900700001
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/13344
专题智能制造技术与系统研究中心_多维数据分析
作者单位1.Nanjing Univ Sci & Technol, Sch Comp Sci, Nanjing 210094, Jiangsu, Peoples R China
2.Chinese Acad Sci, Inst Automat, High Technol Innovat Ctr HITIC, Beijing 100190, Peoples R China
3.Harvard Med Sch, Beth Israel Deaconess Med Ctr, Boston, MA 02215 USA
4.Harvard Med Sch, Massachusetts Gen Hosp, Boston, MA 02215 USA
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Zhou, Yichao,Hu, Xiyuan,Tang, Zhenmin,et al. Sparse representation-based ECG signal enhancement and QRS detection[J]. PHYSIOLOGICAL MEASUREMENT,2016,37(12):2093-2110.
APA Zhou, Yichao,Hu, Xiyuan,Tang, Zhenmin,&Ahn, Andrew C..(2016).Sparse representation-based ECG signal enhancement and QRS detection.PHYSIOLOGICAL MEASUREMENT,37(12),2093-2110.
MLA Zhou, Yichao,et al."Sparse representation-based ECG signal enhancement and QRS detection".PHYSIOLOGICAL MEASUREMENT 37.12(2016):2093-2110.
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