NDLI: Adaptive baseline wander removal in the ECG: Comparative analysis with cubic spline technique

Content Provider	IEEE Xplore Digital Library
Author	Jane, R. Laguna, P. Thakor, N.V. Caminal, P.
Copyright Year	1992
Description	Author affiliation: Inst. de Cibernetica, Univ. Politechnica de Cataluna, Barcelona, Spain (Jane, R.)
Abstract	Baseline wandering is a classical problem in electrocardiogram (ECG) records that generally produces artifactual data when measuring ECG parameters. The authors present a cascade adaptive filter for removing the baseline wander and preserving the low-frequency components of the ECG. This cascade adaptive filter works in two stages. The first stage is an adaptive notch filter at zero frequency. The second stage is an adaptive impulse correlated filter that, using a QRS detector, estimates the ECG signal correlated with the QRS occurrence. In this way, all the signal components correlated with the QRS complex are preserved. The authors analyze the frequency response of the filter, showing that the filter can be seen as a comb filter without the DC lobe. The method was applied to ECG signals from the MIT-BIH database and its performance was compared with the cubic spline approach. The method can remove baseline wander in real time without needing to calculate the isoelectric levels, while preserving the low-frequency ECG clinical information.<>
Starting Page	143
Ending Page	146
File Size	297994
Page Count	4
File Format	PDF
ISBN	0818635525
DOI	10.1109/CIC.1992.269426
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1992-10-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Electrocardiography Spline Finite impulse response filter Nonlinear filters Adaptive filters Transversal filters Frequency Interpolation Nonlinear distortion Heart rate
Content Type	Text
Resource Type	Article

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