A Computer-Aided Heart Valve Disease Diagnosis System Based on Machine Learning

Figure 3

Scalograms of 5 categories of heart sound signals. (a) Scalogram of the normal heart sound. (b) Scalogram of heart sound with mitral valve prolapse. (c) Scalogram of heart sound with mitral stenosis. (d) Scalogram of heart sound with mitral regurgitation. (e) Scalogram of heart sound with aortic stenosis.

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