| 一种新的基于模型的T波定量分析方法 |
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| 引用本文： | 李国军,周晓娜,王正勇.一种新的基于模型的T波定量分析方法[J].北京理工大学学报,2015,35(S1):96-99. |
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| 作者姓名： | 李国军 周晓娜 王正勇 |
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| 作者单位： | 重庆通信学院 信息融合与控制研究所, 重庆 400035,重庆通信学院 信息融合与控制研究所, 重庆 400035,重庆电子工程职业学院, 重庆 401331 |
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| 基金项目： | 国家自然科学基金资助项目(61302054);重庆市自然科学基金资助项目(cstc2012jjA40056,cstc2012jjB40010);重庆市教委基金资助项目(KJ132201) |
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| 摘 要： | T波的定量分析是T波交替定量分析的基础.针对T波定量分析中面临的T波非对称性、逐搏间动态变化以及动态监护环境下的脉冲噪声干扰问题,从随机系统动态建模与估计理论出发,提出一种新的适用于T波定量分析的心电信号动态模型,建立逐搏T波波形检测与分析的非线性Bayes估计框架,实现强噪声背景下单通道T波的逐搏定量分析,为动态监护环境下基于简单导联的逐搏T波交替信号定量分析奠定理论与技术基础.最后通过实测数据验证了文中算法的有效性.
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| 关 键 词： | 心电图 T波 动态建模 贝叶斯估计 |
| 收稿时间： | 2015/3/20 0:00:00 |
A Novel Model-Based Approach for T Wave Quantification |
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| LI Guo-jun,ZHOU Xiao-na and WANG Zheng-yong.A Novel Model-Based Approach for T Wave Quantification[J].Journal of Beijing Institute of Technology(Natural Science Edition),2015,35(S1):96-99. |
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| Authors: | LI Guo-jun ZHOU Xiao-na and WANG Zheng-yong |
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| Institution: | Chongqing Communication Institute, Chongqing 400035, China,Chongqing Communication Institute, Chongqing 400035, China and Chongqing Electronics Engineering College, Chongqing 401331, China |
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| Abstract: | T wave alternans detection is the basis of the quantification of T wave for an electrocardiogram (ECG) signal. According to the dynamical modeling and estimation theory, a nonlinear Bayesian filtering framework was proposed to approximate the T wave under impulsive noise with a novel dynamical model for the asymmetric T wave. Results of tests on realistic ECG data demonstrate that the proposed approach can effectively quantify the T wave on a beat-to-beat basis from a single ECG channel, enabling the T wave alternans quantification on a beat to beat basis with limited channels. |
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| Keywords: | electrocardiogram T wave dynamical modeling Bayesian estimation |
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