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Performance of Bispectral Features and Cardiac Severity: Application to Phonocardiographic (PCG) Signals - Softcover

Debbal, Imane

 
9786209453632: Performance of Bispectral Features and Cardiac Severity: Application to Phonocardiographic (PCG) Signals

Inhaltsangabe

The phonocardiogram (PCG) is a non-invasive bio-sound signal used to identify cardiovascular pathologies and assess their severity. This work follows studies that have demonstrated the value of Higher-Order Spectral Analysis (HOSA) techniques for monitoring cardiac severity. HOSA features were extracted and then selected using Random Forest Feature Importance and SelectKBest methods. They were subsequently integrated into a k-Nearest Neighbor (KNN) classifier. Out of fourteen initial features, four achieved an accuracy of 99.7%, confirming the relevance of this approach for PCG signal analysis.

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Autorka posiada stopie¿ doktora w zakresie aparatury biomedycznej. Jej prace dotycz¿ in¿ynierii, analizy sygnäów oraz ich zastosowä biomedycznych. Angäuje si¿ równie¿ w opiek¿ pedagogiczn¿ oraz upowszechnianie wiedzy naukowej poprzez publikacje i projekty.

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