基于特征混合和多头注意力的自动编码器,用于消除电极运动噪音在心电图应用中
Szu-Ting Wang1, Wen-Yen Hsu2, Shin-Chi Lai3
1Department of Computer Science and Information Engineering, Chaoyang University of Technology, Taichung City, Wufeng 413310, Taiwan.
Sensors (Basel, Switzerland)
|October 29, 2025
概括
电心电图 (ECG) 噪声来自电极运动是一个主要的诊断挑战. 一个新的深度学习模型,FMHA-AE,有效地消除了这种噪音,同时保留了对精确监测至关重要的心脏信号.
科学领域:
- 生物医学工程 生物医学工程
- 信号处理 信号处理
- 人工智能的人工智能
背景情况:
- 电心电图 (ECG) 对于诊断心血管疾病至关重要.
- 电极运动 (EM) 工件显著降低了心电图信号质量,特别是在可穿戴设备中.
- 传统的过方法很难去除EM器件,因为频率与心脏信号重叠.
研究的目的:
- 开发一种新型的深度学习模型,用于强大的ECG检测.
- 为了应对电极运动在心电图信号中的工件的挑战.
- 在现实世界监测场景中提高心血管疾病诊断的准确性.
主要方法:
- 提出了特征混合多头注意力自动编码器 (FMHA-AE) 架构.
- 集成的多头自我注意 (MHSA) 来捕捉远程依赖.
- 利用特征混合机制来增强表示的稳定性和概括性.
主要成果:
- FMHA-AE实现了平均信号噪声比 (SNR) 提高25.34dB.
- 该模型显示,百分比根的平均平方差 (PRD) 为10.29%.
- FMHA-AE的性能优于传统的基于波段的深度学习方法.
结论:
- FMHA-AE模型有效地去除电极运动器件,同时保持关键的心电图形态.
- 这种深度学习方法为ECG分析提供了一个无噪声的解决方案.
- FMHA-AE显示出在移动和临床环境中实时ECG监测的巨大潜力.
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