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Abbaspour, S., Fallah, A.. (1392). Removing ECG Artifact from the Surface EMG Signal Using Adaptive Subtraction Technique. سامانه مدیریت نشریات علمی, 4(1), -.
S. Abbaspour; A. Fallah. "Removing ECG Artifact from the Surface EMG Signal Using Adaptive Subtraction Technique". سامانه مدیریت نشریات علمی, 4, 1, 1392, -.
Abbaspour, S., Fallah, A.. (1392). 'Removing ECG Artifact from the Surface EMG Signal Using Adaptive Subtraction Technique', سامانه مدیریت نشریات علمی, 4(1), pp. -.
Abbaspour, S., Fallah, A.. Removing ECG Artifact from the Surface EMG Signal Using Adaptive Subtraction Technique. سامانه مدیریت نشریات علمی, 1392; 4(1): -.

Removing ECG Artifact from the Surface EMG Signal Using Adaptive Subtraction Technique

Journal of Biomedical Physics and Engineering
مقاله 5، دوره 4، شماره 1، خرداد 2014    اصل مقاله (507.98 K)
نوع مقاله: Original Research
نویسندگان
S. Abbaspour؛ A. Fallah*
چکیده
Background: The electrocardiogram artifact is a major contamination in the electromyogram signals when electromyogram signal is recorded from upper trunk muscles and because of that the contaminated electromyogram is not useful.Objective: Removing electrocardiogram contamination from electromyogram signals.Methods: In this paper, the clean electromyogram signal, electrocardiogram artifact and electrocardiogram signal were recorded from leg muscles, the pectoralis major muscle of the left side and V4, respectively. After the pre-processing, contaminated electromyogram signal is simulated with a combination of clean electromyogram and electrocardiogram artifact. Then, contaminated electromyogram is cleaned using adaptive subtraction method. This method contains some steps; (1) QRS detection, (2) formation of electrocardiogram template by averaging the electrocardiogram complexes, (3) using low pass filter to remove undesirable artifacts, (4) subtraction.Results: Performance of our method is evaluated using qualitative criteria, power spectrum density and coherence and quantitative criteria signal to noise ratio, relative error and cross correlation. The result of signal to noise ratio, relative error and cross correlation is equal to 10.493, 0.04 and %97 respectively. Finally, there is a comparison between proposed method and some existing methods.Conclusion: The result indicates that adaptive subtraction method is somewhat effective to remove electrocardiogram artifact from contaminated electromyogram signal and has an acceptable result.
کلیدواژه‌ها
Electrocardiogram artifact؛ Surface electromyogram؛ Contamination؛ Noise removal؛ Adaptive subtraction
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تعداد مشاهده مقاله: 448
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