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Shape-Based Retrieval of Heart Sounds for Disease Similarity Detection

2020-03-30 | |  91 |   61 |   0

Abstract

Retrieval of similar  heart sounds from a sound database has applica- tions in physician training, diagnostic screening, and decision support. In this  paper, we exploit a visual rendering of heart sounds and model the morphologi- cal variations of audio envelopes through a constrained non-rigid translation  transform. Similar heart sounds are then retrieved by recovering the correspond- ing alignment transform using a variant of shape-based dynamic time warping.  Results of similar heart sound retrieval are demonstrated for various diseases   on a large database of heart sounds.  

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