Classification of Heart Sounds Using Multi-Branch Deep Convolutional Network and LSTM-CNN

• URL: http://arxiv.org/abs/2407.10689v5
• Date: Thu, 21 Nov 2024 17:32:38 GMT
• Title: Classification of Heart Sounds Using Multi-Branch Deep Convolutional Network and LSTM-CNN
• Authors: Seyed Amir Latifi, Hassan Ghassemian, Maryam Imani,
• Abstract summary: This paper presents a fast and cost-effective method for diagnosing cardiac abnormalities using low-cost systems in clinics. The overall classification accuracy of heart sounds with the LSCN network is more than 96%.
• Score: 2.7699831151653305
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: This paper presents a fast and cost-effective method for diagnosing cardiac abnormalities with high accuracy and reliability using low-cost systems in clinics. The primary limitation of automatic diagnosing of cardiac diseases is the rarity of correct and acceptable labeled samples, which can be expensive to prepare. To address this issue, two methods are proposed in this work. The first method is a unique Multi-Branch Deep Convolutional Neural Network (MBDCN) architecture inspired by human auditory processing, specifically designed to optimize feature extraction by employing various sizes of convolutional filters and audio signal power spectrum as input. In the second method, called as Long short-term memory-Convolutional Neural (LSCN) model, Additionally, the network architecture includes Long Short-Term Memory (LSTM) network blocks to improve feature extraction in the time domain. The innovative approach of combining multiple parallel branches consisting of the one-dimensional convolutional layers along with LSTM blocks helps in achieving superior results in audio signal processing tasks. The experimental results demonstrate superiority of the proposed methods over the state-of-the-art techniques. The overall classification accuracy of heart sounds with the LSCN network is more than 96%. The efficiency of this network is significant compared to common feature extraction methods such as Mel Frequency Cepstral Coefficients (MFCC) and wavelet transform. Therefore, the proposed method shows promising results in the automatic analysis of heart sounds and has potential applications in the diagnosis and early detection of cardiovascular diseases.

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