CNN-based classification of phonocardiograms using fractal techniques

Daniel Riccio, Nadia Brancati, Giovanna Sannino, Laura Verde, Maria Frucci

Abstract: Highlights•PIFS encode self-similarities in a 1D signal and transcode them into a 2D image.•The transcoding is noise-resistant and enables segmentation-free analysis of PCG.•The 2D image is a very compact representation of the signal that can feed a CNN.