Population
Electrocardiogram signals from the MIT-BIH Arrhythmia Database
Comparison
Filtering techniques to denoise ECG signals vs Comparison among different filter designs
Design
Other
Key result
A fourth-order high-pass Butterworth filter removed more baseline wander noise with no time delay compared to other filters, while power line interference filters had similar signal-to-noise ratios.
Authors
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A fourth-order high-pass Butterworth filter is optimal for removing baseline wander from ECG signals without introducing time delay.
A fourth-order high-pass Butterworth filter is optimal for removing baseline wander from ECG signals without introducing time delay.
Mohamed et al. (2022) studied Cardiac Arrhythmias. ECG filtering techniques vs. Alternative filtering techniques was evaluated on Filter performance (frequency response, phase response, average filter delay, phase delay, and signal-to-noise ratio). A fourth-order high-pass Butterworth filter removed more baseline wander noise with no time delay compared to other filters, while power line interference filters had similar signal-to-noise ratios.