The periodic moving average filter for removing motion artifacts from PPG signals

被引：1
|
作者：
Lee, Han-Wook
Lee, Ju-Won
Jung, Won-Geun
Lee, Gun-Ki
机构：
[1] Gyeongsang Natl Univ, Dept Elect Engn, Jinju Si 660701, Kyungnam, South Korea
[2] Nam Hae Coll, Dept Elect & Commun, Kyungnam 668801, South Korea
来源：
INTERNATIONAL JOURNAL OF CONTROL AUTOMATION AND SYSTEMS | 2007年 / 5卷 / 06期
关键词：
heart rate; motion artifact; moving average; PPG; SpO(2);
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The measurement accuracy for heart rate or SpO(2) using photoplethysmography (PPG) is influenced by how well the noise from motion artifacts and other sources can be removed. Eliminating the motion artifacts is particularly difficult since its frequency band overlaps that of the basic PPG signal. Therefore, we propose the Periodic Moving Average Filter (PMAF) to remove motion artifacts. The PMAF is based on the quasi-periodicity of the PPG signals. After segmenting the PPG signal on periodic boundaries, we average the m(th) samples of each period. As a result, we remove the motion artifacts well without the deterioration of the characteristic point.
引用
收藏
页码：701 / 706
页数：6
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