An intelligent adaptive filter for fast tracking and elimination of power line interference from ECG signal

The ECG (Electrocardiogram) signal reflects the electrical activity of the heart. Since amplitude of ECG signal is of order of few mV, it is susceptible to many types of noises and amongst which the most disturbing is power line interference (PLI). Variations in frequency of PLI further complicate t...

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Bibliographic Details
Main Authors: Razzaq, Nauman, Butt, Maryam, Salman, Muhammad, Ali, Rahat, Sadiq, Ismail, Munawar, Khalid, Zaidi, Tahir
Format: Conference Proceeding
Language:English
Subjects:
Adaptive filters
Computational modeling
Discrete Fourier transforms
Electrocardiography
Frequency estimation
Interference
Noise
Online Access:Request full text
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Summary:The ECG (Electrocardiogram) signal reflects the electrical activity of the heart. Since amplitude of ECG signal is of order of few mV, it is susceptible to many types of noises and amongst which the most disturbing is power line interference (PLI). Variations in frequency of PLI further complicate the problem which can be taken care by implementation of adaptive notch filter (ANF). ANF normally requires a reference input which is not possible in all cases. In this paper, we have proposed an intelligent adaptive filter which does not require a reference input. Proposed method first detects the frequency of PLI noise then adaptively tracks and eliminates PLI from ECG signal.
ISSN:1063-7125
DOI:10.1109/CBMS.2013.6627797