An Effective Way of J Wave Separation Based on Multilayer NMF

<div>The signals after single layer NMF separation (<i>x</i>1 is normal ECG at positive axis;<i> x</i>2 is normal ECG at negative axis;<i> x</i>3 is J wave at positive axis;<i> x</i>4 is J wave at negative axis).</div>

Computational and Mathematical Methods in Medicine

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Figure 6

Figure 6: An Effective Way of J Wave Separation Based on Multilayer NMF 