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Review Papers | Electronics & Communication Engineering | India | Volume 6 Issue 4, April 2017
A Review on Efficient Implementation of Adaptive Filter for Noise Reduction in ECG Signal
Chaitali S. Ingle | K. M. Pimple
Abstract: The electrocardiogram (ECG) is a graphical representation of the cardiac activity and it is widely used for the diagnosis of heart diseases. But different noises get contaminated with ECG signal during its acquisition and transmission, which can cause a great deal of hindrance to manual and automatic analysis of ECG signals and they may be interpreted as the abnormal heart conditions. Hence for the proper diagnosis of the heart the ECG signals must be free of noises. ECG signals are very low frequency signals of about 0.5Hz-100Hz and digital filters are very efficient for noise removal of such low frequency signals. The goal for ECG signal enhancement is to separate the valid signal components from the undesired artifact, so as to present an ECG that facilitates easy and accurate interpretation. It is difficult to apply filters with fixed coefficients to reduce random noises. Adaptive filter technique is required to overcome this problem. Comparisons are made for original signal to noisy. Simulations are done for random noise pattern in matlab.
Keywords: Adaptive filtering, Artifact, ECG, MATLAB, random noises
Edition: Volume 6 Issue 4, April 2017,
Pages: 1537 - 1539
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