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http://dx.doi.org/10.9708/jksci.2012.17.4.075

The Motion Artifact Reduction using Periodic Moving Average Filter  

Lee, Jun-Yeon (Dept. of Media Engineering, Tongmyung University)
Abstract
The Photoplethysmogram is a similar periodic signal that synchronized to a heartbeat. In this paper, we propose a periodic moving average filter that use similarity of Photoplethysmogram. This filtering method has the average value of each samples through separating the cycle of PPG signal. If there are some motion artifacts in continuous PPG signal, disjoin the signal based on cycle. And then, we made these signals to have same cycle by coordinating the number of sample. After arrange these cycles in 2 dimension, we put the average value of each samples from starting till now. So, we can eliminate the motion artifacts without damaged PPG signal.
Keywords
Photoplethysmography; Periodic Moving Average Filter; Motion Artifact Reduction;
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