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2019 | OriginalPaper | Buchkapitel

Quality Assessment and Classification of Heart Sounds Using PCG Signals

verfasst von : Qurat-ul-ain Mubarak, Muhammad Usman Akram, Arslan Shaukat, Aneeqa Ramazan

Erschienen in: Applications of Intelligent Technologies in Healthcare

Verlag: Springer International Publishing

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Abstract

The PCG signals provide valuable information about the heart condition for accurate detection of heart diseases. The noise incorporated in PCG signals during acquisition process makes the detection process a challenging task. In this paper, a complete framework for heart sound classification is proposed. The proposed system introduces the concept of quality assessment before extraction of features and classification of heart sounds. The signal quality is assessed by predefined criteria by based upon number of peaks and zero crossing of PCG signal. Both time and frequency domain features have been extracted to use for classification, which is done using KNN classifier. The results are validated through fivefold cross validation. The algorithm is tested on dataset provided by Pascal classifying heart sound challenge. The average accuracy of the classifier is significantly improved from 0.86 ± 0.0014 to 0.88 ± 0.00117 by introducing the quality assessment of PCG signals and leaving non-suitable/too noisy signals.

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Metadaten
Titel
Quality Assessment and Classification of Heart Sounds Using PCG Signals
verfasst von
Qurat-ul-ain Mubarak
Muhammad Usman Akram
Arslan Shaukat
Aneeqa Ramazan
Copyright-Jahr
2019
DOI
https://doi.org/10.1007/978-3-319-96139-2_1

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