Using DWT for ECG Motion Artifact Reduction with Noise-correlating Signals

被引：0

作者：

Kirst, Malte ^{[1
]}

Glauner, Bastian ^{[1
]}

Ottenbacher, Joerg ^{[2
]}

机构：

[1] FZI Res Ctr Informat Technol, D-76131 Karlsruhe, Germany

[2] Karlsruhe Inst Technol, Inst Informat Proc Technol, Karlsruhe 76131, Germany

来源：

2011 ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY (EMBC) | 2011年

关键词：

WET; DRY;

D O I：

暂无

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

Dealing with motion artifacts in long-term ECG recordings is a big issue. The frequency spectrum of motion artifacts is similar to the frequencies of the QRS complex - the wanted signal in the ECG. The deletion of motion artifacts often leads to a deformation of QRS complexes, too. These risks can be minimized by using a noise-correlating signal as a second channel for artifact reduction. This paper presents an approach using the electrode-skin impedance as a second channel for the reduction of motion artifacts. Using the discrete wavelet transform, motion artifacts can be deleted time and frequency selective. This filter approach leads to an improvement of the automatic QRS detection and decreases the number of false detections by 35 %.

引用

页码：4804 / 4807

页数：4

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