Deep Layer Kernel Sparse Representation Network for the Detection of Heart Valve Ailments from the Time-Frequency Representation of PCG Recordings

Figure 2

(a) Pathological PCG signal (AS pathology with murmurs present between S1-component and S2-component of each cardiac cycle). (b) Time-frequency representation of the pathological PCG signal obtained using CT. (c) Time-frequency representation of the pathological PCG signal obtained using SCT.