用单导联脑电图训练卷积神经网络,实现高效睡眠呼吸暂停检测。
Exploring the Efficacy of Convolutional Neural Networks in Sleep Apnea Detection from Single Channel EEG
- 基于单通道脑电信号的卷积神经网络模型
- 准确率达85.1%,MCC为0.22
- 适合居家自动化筛查,降低诊断门槛
睡眠呼吸暂停是一种常见的睡眠障碍,表现为睡眠中反复出现呼吸中断,可导致认知损伤、高血压、心脏病、中风甚至死亡。当前诊断金标准多导睡眠图(PSG)成本高、耗时长且不便于居家使用,常导致睡眠数据质量下降。本文提出一种基于卷积神经网络(CNN)的新型方法,利用单通道脑电数据检测睡眠呼吸暂停。所提CNN在测试中达到85.1%的准确率和0.22的马修斯相关系数,展现出在家庭场景下自动检测的显著潜力。研究还构建了包含无穷冲激响应(IIR)巴特沃斯滤波器的预处理流程,设计了提供更长时间上下文的数据集构造方法,并采用SMOTETomek缓解类别不平衡问题。该工作验证了从传统实验室诊断向可及性更强、自动化程度更高的居家解决方案转型的可行性,有助于提升患者预后并扩大睡眠障碍筛查覆盖面。
原文摘要 · Abstract (English)
Sleep apnea, a prevalent sleep disorder, involves repeated episodes of breathing interruptions during sleep, leading to various health complications, including cognitive impairments, high blood pressure, heart disease, stroke, and even death. One of the main challenges in diagnosing and treating sleep apnea is identifying individuals at risk. The current gold standard for diagnosis, Polysomnography (PSG), is costly, labor intensive, and inconvenient, often resulting in poor quality sleep data. This paper presents a novel approach to the detection of sleep apnea using a Convolutional Neural Network (CNN) trained on single channel EEG data. The proposed CNN achieved an accuracy of 85.1% and a Matthews Correlation Coefficient (MCC) of 0.22, demonstrating a significant potential for home based applications by addressing the limitations of PSG in automated sleep apnea detection. Key contributions of this work also include the development of a comprehensive preprocessing pipeline with an Infinite Impulse Response (IIR) Butterworth filter, a dataset construction method providing broader temporal context, and the application of SMOTETomek to address class imbalance. This research underscores the feasibility of transitioning from traditional laboratory based diagnostics to more accessible, automated home based solutions, improving patient outcomes and broadening the accessibility of sleep disorder diagnostics.
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