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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: PPG pulse direction determination algorithm for PPG waveform inversion by wrist rotation.
    Author: Changmok Choi, Byung-Hoon Ko, Jongwook Lee, Seung Keun Yoon, Uikun Kwon, Sang Joon Kim, Younho Kim.
    Journal: Annu Int Conf IEEE Eng Med Biol Soc; 2017 Jul; 2017():4090-4093. PubMed ID: 29060796.
    Abstract:
    This paper describes photoplethysmography (PPG)-based pulse direction determination algorithm on a site of the radial artery using a wrist band. It has been well known that PPG is susceptible to noise and motion artifacts in the mobile environment and many research efforts have been made to focus on rejection of the noise and motion artifacts. However, no research has been performed to find PPG pulses when PPG is inverted by wrist movement. We present an algorithm, which accurately yields which direction PPG pulses face regardless of wrist movement. The algorithm is one step closer to robust real-time PPG pulse direction determination for continuous PPG monitoring regardless of body movements.
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