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http://dx.doi.org/10.6109/jkiice.2016.20.8.1431

Design of Filter to Remove Motionartifacts of Photoplethysmography Based on Indepenent Components Analysis and Filter Banks  

Lee, Ju-won (Department of Medical Engineering, Andong science college)
Lee, Byeong-ro (Department of Electronics Engineering, Gyeongnam Nat. Univ. of Science and Technology)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.20, no.8, 2016 , pp. 1431-1437 More about this Journal
Abstract
In mobile healthcare device, when to measure the heart rate by using the PPG signal, its performance is reduced according to the motion artifacts that is the movement of user. This is because the frequency range of motion (0.01-10 Hz) and that of PPG signals overlap. Also, the motion artifacts cannot be rectified by general filters. To solve the problem, this paper proposes a method using filter banks and independent component analysis (ICA). To evaluate the performance of the proposed method, we were artificially applied various movements and compared heart rate errors of the moving average filter and ICA. In the experimental results, heart rate error of the proposed method showed very low than moving average filter and ICA. In this way, it is possible to measure stable heart rate if the proposed method is applied to the healthcare terminal design.
Keywords
Photoplethysmography; Heart Rate; Independent Components Analysis; Filter Bank; Motion Artifacts;
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Times Cited By KSCI : 1  (Citation Analysis)
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