Data augmentation based convolutional neural network for auscultation

Data augmentation based convolutional neural network for auscultation
复制标题

基于数据增强的卷积神经网络用于听诊

DOI:
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发表时间:
2019
期刊:
复旦学报(自然科学版)
影响因子:
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通讯作者:
李伟
李伟
中科院分区:
其他
文献类型:
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作者:
江益靓;张旭龙;邓晋;张文强;李伟

文献摘要

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Abstract:Acoustic analysis has great potential for clinical application because of its objective,non-invasive and lowcost. nature.Auscultation is an important part of Traditional Chinese Medicine(TCM).By analyzing a voice signal,.we attempt to diagnose the syndrome of the subject by labelling them normal or deficient.In this paper,we explore.a Data Augmentation based Convolutional Neural Network(DACNN)for auscultation.The idea behind this.method is the use of Convolutional Neural Network(CNN)on imbalanced data with data augmentation for.automatic feature extraction and classification.We conduct experiments on our auscultation dataset containing voice.segments of 959speakers(346males and 613females),which were labeled by two experienced TCM physicians..We demonstrate the effectiveness of data augmentation to overcome the imbalanced dataset problem.We also.compare its performance with traditional machine learning methods.By using DACNN,we achieve 97.25%.diagnosis accuracy for females and 95.12%diagnosis accuracy for males,with 1%—10%improvement in accuracy.and slight improvements in other indicators over traditional machine learning methods.The experimental results.demonstrate that the proposed approach is helpful for objective auscultation diagnosis.