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基于扩散模型的心电信号基线漂移去除法 被引量:3

Method of Removing Baseline Wandering in ECG Signals Based on a Diffusion Model
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摘要 ECG信号的基线漂移直接影响波形的幅值及时程测量精度,快速、有效的基线漂移去除法是ECG信号处理的重点研究内容。提出一种基于扩散模型的ECG基线漂移信号去除法,通过对有基线漂移的ECG信号进行一系列的线性扩散,使这些信号接近于漂移的基线,从而分离出ECG信号,较好地保留了ECG主要波形的形状及其时程关系。利用合成信号的仿真结果显示,扩散模型可较好地将低频成分分离出来,且合成波的频率相差越大,其分离效果越好,显示其在ECG信号基线漂移去除中良好的应用前景。
出处 《中国生物医学工程学报》 CAS CSCD 北大核心 2013年第5期631-635,共5页 Chinese Journal of Biomedical Engineering
基金 浙江省中医药科学研究基金(2011ZA022) 浙江省钱江人才计划(QJD0802007)
关键词 ECG信号 扩散模型 基线漂移 ECG signal diffusion model baseline wandering
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参考文献11

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