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ECG signal processing. The comparisons of ECG signal processing between Philips paper-based ECG and SWT-processed ECG are shown. An original noise-interfered ECG signal is shown in the top panel. The Philips processed ECG is shown in the middle panel. The SWT-processed ECG is shown in the bottom panel. Both Philips processed ECG and the SWT-processed ECG can keep the characteristics of the original ECG in amplitude, duration, and shape.
