郑州大学学报（理学版）2017，Vol.49Issue(3)：79-83,5.DOI:10.13705/j.issn.1671-6841.2016187
结合小波变换和中值滤波实现肝储备功能分析的信号消噪方法
A Signal De-noising Method Based on Wavelet Transform and Median Filter for Hepatic Reserve Function Analysis
摘要
Abstract
The wavelet analysis combined with median filtering algorithm to eliminate interference and noises of the system was used to overcome the interference and influence of the external environment on the measurement of liver reserve function.The system took Sym8 wavelet function and median filtering algorithm to effectively decrease the high-frequency interference,Gaussian white noise of PPG and baseline drift interference of signal.The experimental results showed that the anti-interference ability and accuracy of this method in measurement of liver reserve function,and the veracity and stability of liver reserve function measurement were increased.关键词
肝储备功能/光电容积波/小波分析/中值滤波Key words
hepatic reserve function/PPG/wavelet analysis/median filter分类
信息技术与安全科学引用本文复制引用
张晶,李居尚,尹晶,蒲鑫,崔艳群,蔡靖..结合小波变换和中值滤波实现肝储备功能分析的信号消噪方法[J].郑州大学学报（理学版）,2017,49(3):79-83,5.基金项目
吉林省教育厅"十二五"科学技术研究规划重点项目(440020031134) （440020031134）
吉林省教育厅"十三五"社会科学研究项目(吉教科文合字[2015]第581号). （吉教科文合字[2015]第581号）
