几种去心电基线漂移算法的实现和比较  

The Implement and the Relative of Several Kinds of Arithmetic to Take Base-Line Excursion from ECG Signal

作　　者：汪家旺[1] 吴玲燕[2] 杨涛 苑颐萍 林宛华[4] 

机构地区：[1]南京医科大学第一附属医院江苏省人民医院,南京210000 [2]南京医科大学生物医学工程研究所,南京210000 [3]南京普澳医疗设备有限公司,南京210032 [4]中南大学信息物理工程学院生物医学工程研究所,长沙410083

出　　处：《中国医疗器械信息》2008年第6期30-33,共4页China Medical Device Information

基　　金：南京市政府科技计划项目(项目编号:200701032)

摘　　要：本文介绍了中值滤波、曲线拟合、高通滤波、形态学处理等几种不同的去心电基线漂移算法的实现。通过对MIT/BIH数据库中36份数据的比较,发现在处理效果上,中值滤波和基于形态学的方法处理效果都比较好,形态学结果比中值滤波的结果在正方向上略有偏移。高通滤波的方法对平整的S-T段的抬升很明显,而曲线拟合在处理较大的漂移时,效果就不明显了。The paper introduce the implement of several kinds of arithmetic to take base-line excursion from ECG signal, including median filtering, curve fitting, high pass filtering and morphologic process. After comparing the processing result of 36 shares of MIT/BIH ECG data, we found that median filtering and morphologic process is better than else, the morphologic process has a little offset in positive direction comparing with median filtering; high pass filtering is obvious in raising smooth S-T seglnent; The result is tmobvious when processing high base-line excursion using curve fitting.

关 键 词：心电 基线漂移 

分 类 号：R540.42[医药卫生—心血管疾病]