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A Real-Time QRS Detector Based on Discrete Wavelet Transform and Cubic Spline Interpolation
Zheng, Huabin; Wu, Jiankang
2008-10-01
发表期刊TELEMEDICINE JOURNAL AND E-HEALTH
卷号14期号:8页码:809-815
文章类型Article
摘要QRS detection is an important step in electrocardiogram signal processing and analysis. Despite a lot of research effort, robustness and high detection accuracy still remain open problems. Here we present a real-time QRS detector, based on wavelet decomposition and spline interpolation, which is working in our portable health monitor system (PHMS). The discrete wavelet transform combined with the Cubic Spline Interpolation is used as the preprocessor. An improved dynamic weights adjusting strategy is adopted to enhance the detection robustness. Finally, peak detector and adaptive threshold detector are used to determine the R fiducial point. We tested the algorithm against the Massachusetts Institute of Technology-Beth Israel Hosptial (MIT-BIH) arrhythmia database, and achieved a sensitivity of 99.75% and positive prediction of 99.83%. Further experiments carried out in the PHMS showed the robustness and sound performance in processing real-time sampled signal despite heavy noise. Time accuracy was also taken into consideration in the test and the total root mean square error was 16.03 ms.
关键词Ecg Qrs Detector Telemedicine Wavelet Spline Interpolation
WOS标题词Science & Technology ; Life Sciences & Biomedicine
收录类别SCI
语种英语
WOS研究方向Health Care Sciences & Services
WOS类目Health Care Sciences & Services
WOS记录号WOS:000266169600045
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/9518
专题09年以前成果
作者单位Chinese Acad Sci, Grad Univ, Inst Automat, CAS, Beijing 100190, Peoples R China
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GB/T 7714
Zheng, Huabin,Wu, Jiankang. A Real-Time QRS Detector Based on Discrete Wavelet Transform and Cubic Spline Interpolation[J]. TELEMEDICINE JOURNAL AND E-HEALTH,2008,14(8):809-815.
APA Zheng, Huabin,&Wu, Jiankang.(2008).A Real-Time QRS Detector Based on Discrete Wavelet Transform and Cubic Spline Interpolation.TELEMEDICINE JOURNAL AND E-HEALTH,14(8),809-815.
MLA Zheng, Huabin,et al."A Real-Time QRS Detector Based on Discrete Wavelet Transform and Cubic Spline Interpolation".TELEMEDICINE JOURNAL AND E-HEALTH 14.8(2008):809-815.
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