一种基于复合滤波和曲线特征点提取的 QRS波实时检测算法

摘要

Based on the analysis of deficiencies in traditional QRS complexes detection algorithm , aiming at the real-time detection requirement of mobile ECG monitoring system on ECG signal , and in combination with the characteristics of ECG curve , we propose an algorithm of composite wave filter and improved curve feature point extraction , and use adaptive threshold to implement the real-time QRS complexes detection .By testing the mobile ECG signal , it is demonstrated that this algorithm is accurate and useful , and is suitable for real-time detection and analysis of QRS complex in mobile ECG monitoring system .%分析传统QRS波检测算法的不足，针对移动心电监护系统对ECG信号的实时检测要求，结合ECG曲线的特征，提出一种复合滤波和改进的曲线特征点提取算法，并利用自适应阈值实现QRS波实时检测。经过对移动ECG信号进行测试，表明该算法具有较好的准确性及实用性，适合于移动心电监护系统QRS波实时检测与分析。