QIU Tianshuang   

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Language:English

Paper Publications

Title of Paper:基于独立分量分析的诱发电位信号提取方法

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Date of Publication:2002-06-30

Journal:大连铁道学院学报

Included Journals:ISTIC

Volume:23

Issue:2

Page Number:62-65

ISSN No.:1673-9590

Key Words:独立分量分析(ICA);诱发电位(EP);信号分离

Abstract:诱发电位(EP)信号在检测神经系统状态时有重要意义.但EP信号总是淹没在自发脑电波(EEG)信号中,因此,为利用EP信号诊断神经系统的损伤和病变,需要从二者的混合信号中提取出EP信号.独立分量分析(ICA)是一种新近发展起来的信号分离方法.本文把ICA方法应用于EP信号的提取,并与传统的滤波方法进行了比较.计算机模拟表明,采用ICA方法进行噪声分离的结果明显优于信号滤波方法.

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