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- 2018
自适应双阈值心电信号检测算法研究
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Abstract:
摘要 目的: 设计并实现一个执行效率高、特征提取有效、疾病诊断准确的QRS波群检出算法,该算法可以防止R波的漏检、多检,同时在移动心电监护系统上实现心率失常性的自诊断分析.方法:在现有的自适应差分阈值法和双重阈值法上进行改进,结合两者之间的优点,对R波进行检测,计算出相应的RR间期和QRS波群宽度,并与一般临床心律失常特征进行比对,得出心电自诊断结果.结果:用美国麻省理工学院的MIT-BIH数据库进行验证,R波与QRS波群的检出率高达99.5%并能对相关心律失常疾病作出判断.结论:该算法具有实现性强、准确率高、方便快捷等特点,可以结合移动心电监测系统实现快速准确识别R波特征值,并作出相应的心率失常自诊断的功能.
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