Improving QRS Detection for Artifacts Reduction

سال انتشار: 1389
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 1,059

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شناسه ملی سند علمی:

ICBME17_021

تاریخ نمایه سازی: 9 تیر 1392

چکیده مقاله:

Since the QRS complex in electrocardiogram signals is one of the most important tasks to describe the operation of heart, high accuracy detection for this complex should be considered. In this study one of the newest methods of QRS complex detection combined with several artifact sources reduction methods has been performed. QRS detection algorithm includes baseline drift removal, Butterworth filtering, notch filtering and extracting five special features from ECG to identify QRS complex. In order to validate the robustness of this method,four important artifact sources such as power line interference, electrode contact noise, motion artifact and muscle contraction (EMG) have been produced and combined with ECG signal. The performance of this approach against these noises based on three MIT-BIH recording classes (Normal, LQT and TWA) has been discussed with ROC (Receiver Operating Characteristics). With proposed QRS detection algorithm 100% and 94.88% accuracyhas been achieved in best and worst case respectively. Thus this method has the ability to cancel respiration modulation and reduce EMG noise, motion and power line artifacts effectively.

نویسندگان

Elham Zeraatkar

M.Sc. Student of Biomed Eng Isfahan Univ Medical of Science Isfahan, Iran

Saeed Kermani

Assistant Professor of Biomed Eng Isfahan University Medical of Science Isfahan, Iran

Alireza Mehridehnavi

Associate Professor of Biomed EngIsfahan University Medical of ScienceIsfahan, Iran

Arash Aminzadeh

Postgraduate Student of Control EngMarine Industries OrganizationShiraz, Iran