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Heartbeat Sound Signal Classification Using Deep Learning

机译:使用深度学习进行心跳声音信号分类

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摘要

Presently, most deaths are caused by heart disease. To overcome this situation, heartbeat sound analysis is a convenient way to diagnose heart disease. Heartbeat sound classification is still a challenging problem in heart sound segmentation and feature extraction. Dataset-B applied in this study that contains three categories Normal, Murmur and Extra-systole heartbeat sound. In the purposed framework, we remove the noise from the heartbeat sound signal by applying the band filter, After that we fixed the size of the sampling rate of each sound signal. Then we applied down-sampling techniques to get more discriminant features and reduce the dimension of the frame rate. However, it does not affect the results and also decreases the computational power and time. Then we applied a purposed model Recurrent Neural Network (RNN) that is based on Long Short-Term Memory (LSTM), Dropout, Dense and Softmax layer. As a result, the purposed method is more competitive compared to other methods.
机译:目前,大多数死亡是由心脏病引起的。为了克服这种情况,心跳声音分析是诊断心脏病的便捷方法。心跳声音分类仍然是心音分割和特征提取中一个具有挑战性的问题。本研究中应用的数据集B包含正常,杂音和心脏收缩期心跳声三类。在有针对性的框架中,我们通过应用频带滤波器从心跳声音信号中消除噪声,然后固定每个声音信号的采样率大小。然后,我们应用了下采样技术来获得更多判别功能并减小帧速率的大小。但是,它不会影响结果,还会减少计算能力和时间。然后,我们应用了基于长期短期记忆(LSTM),Dropout,Dense和Softmax层的目标模型递归神经网络(RNN)。结果,与其他方法相比,目标方法更具竞争力。

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