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http://dx.doi.org/10.6109/jkiice.2010.14.3.723

Design of A Portable Device for Measuring Heart Rate Using Harmonic Signal and Adaptive Filter  

Lee, Ju-Won (안동과학대학 의료공학과)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.14, no.3, 2010 , pp. 723-728 More about this Journal
Abstract
This study proposed a design of a portable device for measuring heart rate using photoplethysmograph signal to minimize load of a nurse increased from insufficiency of an internal hospital nurse, and algorithm to measure reliable heart rate in PPG signals despite the existence of patient's motion artifacts. The proposed method for measuring heart rate is the method to minimize the motion interference by using the adaptive filter based on harmonic characteristic of PPG signal. To evaluate the performances of the a portable device implemented by the proposed method, we used several motion artifacts including finger and wrist movements; we then compared out results with the performance of the moving average filter. In this results, the proposed method showed a better performance than that of the moving average filter. Therefore, when nurses use the a portable device for measuring heart rate proposed in this study, it will enable to improve nurse work and to measure the reliable heart rate.
Keywords
heart rate; photoplethysmograph; adaptive filter; portable; motion artifacts;
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