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Author: search.filters.author.Chutchavong, V.Subject: search.filters.subject.ECG

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    Implementation of ECG portable device for real-time signal monitoring
    (2017-11-24)
    Purahong, B.
    ;
    Thongkrairat, S.
    ;
    Anuwongpinit, T.
    ;
    Chutchavong, V.
    ;
    Aoyama, H.
    In this paper presents a system for heart rate signal analysis in ECG (Electrocardiography) format using STM32f7 board. Electrode is used for recording the signal with stick on body in lead 2 orientations. Signal processing method are used upper average, slope and interval checking algorithm to process ECG signal in real-time. In experiment, to acquire a frequency of heart beat and display ECG signal and heart rate on STM32f7 board compare with wearable device that result have error rate less than 1%. This system is portable to use and sufficient battery for recording signal to analyze and monitor throughout the day.
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    A mathematical model for ECG waveform using rational Bézier curves and Bernstein polynomials
    (2014-01-01)
    Chutchavong, V.
    ;
    Nualon, K.
    ;
    Sangaroon, O.
    ;
    Janchitrapongvej, K.
    This paper presents a mathematical model for ECG waveform using Rational Bezier curves and Bernstein polynomials. There are three mathematical models; the Bernstein polynomials model, the Bézier-Bernstein model and the Rational Bézier-Bernstein model. All mathematical models can generate the ECG waveform which is similar to the normal ECG waveform. Moreover, all mathematical models can simulate a normal ECG waveform as well. As the results, the Rational Bezier-Bernstein model is a simple form, easy to make a circuit and lower cost in the implementation of the ECG waveform. © 2014 IEEE.