Fatih Demir1, Abdulkadir Şengür1, Varun Bajaj2, Kemal Polat3. 1. 1Electrical and Electronics Engineering, Technology Faculty, Firat University, Elazig, Turkey. 2. 2Discipline of Electronics and Communication Engineering, PDPM Indian Institute of Information Technology, Design and Manufacturing, Jabalpur, India. 3. 3Department of Electrical and Electronics Engineering, Faculty of Engineering, Bolu Abant Izzet Baysal University, 14280 Bolu, Turkey.
Abstract
BACKGROUND AND OBJECTIVE: Heart sound contains various important quantities that help early detection of heart diseases. Many methods have been proposed so far where various signal-processing techniques have been used on heart sounds for heart disease detection. METHODS: In this paper, a methodology is introduced for heart disease detection based on heart sounds. The proposed method employs three successive stages, such as spectrogram generation, deep feature extraction, and classification. In the spectrogram generation stage, the heart sounds are converted to spectrogram images by using time-frequency transformation. RESULTS: The deep features are extracted from three different pre-trained convolutional neural network models such as AlexNet, VGG16, and VGG19. Support vector machine classifier is used in the third stage of the proposed method. The proposed method is evaluated on two datasets, which are taken from The Classifying Heart Sounds Challenge. CONCLUSIONS: The obtained results are compared with some of the existing methods. The comparisons show that the proposed method outperformed.
BACKGROUND AND OBJECTIVE: Heart sound contains various important quantities that help early detection of heart diseases. Many methods have been proposed so far where various signal-processing techniques have been used on heart sounds for heart disease detection. METHODS: In this paper, a methodology is introduced for heart disease detection based on heart sounds. The proposed method employs three successive stages, such as spectrogram generation, deep feature extraction, and classification. In the spectrogram generation stage, the heart sounds are converted to spectrogram images by using time-frequency transformation. RESULTS: The deep features are extracted from three different pre-trained convolutional neural network models such as AlexNet, VGG16, and VGG19. Support vector machine classifier is used in the third stage of the proposed method. The proposed method is evaluated on two datasets, which are taken from The Classifying Heart Sounds Challenge. CONCLUSIONS: The obtained results are compared with some of the existing methods. The comparisons show that the proposed method outperformed.
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