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Authors: Roberto L. Avitia 1 ; Marco A. Reyna 1 ; Miguel E. Bravo 1 and Lucio A. Cetto 2

Affiliations: 1 Bioengineering Academic Body, University Autonomous of Baja California, Mexico ; 2 The MathWorks, Inc., United States

Keyword(s): Signal averaged electrocardiography, Dynamic programming, Piecewise linear approximation, Heartbeat alignment.

Related Ontology Subjects/Areas/Topics: Biomedical Engineering ; Biomedical Instruments and Devices ; Biomedical Metrology

Abstract: Signal Averaged Electrocardiography (SAECG) is a technique widely used as an alternative to improve signal to noise ratio (SNR), but sometimes patient’s physiology may alter the characteristics of quasi-steady heartbeats that are assumed in the averaging. This paper evaluates the noise as a parameter for measuring the alignment heartbeats by Derivative Dynamic Time Warping (DDTW) and using Piecewise Linear Approximation (PLA) as well. The records were taken from a group of healthy individuals and the results show that the number of heartbeats averaged necessary to improve the SNR is less than the traditional method.

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Paper citation in several formats:
L. Avitia, R.; A. Reyna, M.; E. Bravo, M. and A. Cetto, L. (2010). SIGNAL TO NOISE RATIO EVALUATION IN SIGNAL AVERAGED ECG BY DERIVATIVE DYNAMIC TIME WARPING AND PIECEWISE LINEAR APPROXIMATION . In Proceedings of the Third International Conference on Biomedical Electronics and Devices (BIOSTEC 2010) - BIODEVICES; ISBN 978-989-674-017-7; ISSN 2184-4305, SciTePress, pages 201-205. DOI: 10.5220/0002748802010205

@conference{biodevices10,
author={Roberto {L. Avitia}. and Marco {A. Reyna}. and Miguel {E. Bravo}. and Lucio {A. Cetto}.},
title={SIGNAL TO NOISE RATIO EVALUATION IN SIGNAL AVERAGED ECG BY DERIVATIVE DYNAMIC TIME WARPING AND PIECEWISE LINEAR APPROXIMATION },
booktitle={Proceedings of the Third International Conference on Biomedical Electronics and Devices (BIOSTEC 2010) - BIODEVICES},
year={2010},
pages={201-205},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002748802010205},
isbn={978-989-674-017-7},
issn={2184-4305},
}

TY - CONF

JO - Proceedings of the Third International Conference on Biomedical Electronics and Devices (BIOSTEC 2010) - BIODEVICES
TI - SIGNAL TO NOISE RATIO EVALUATION IN SIGNAL AVERAGED ECG BY DERIVATIVE DYNAMIC TIME WARPING AND PIECEWISE LINEAR APPROXIMATION
SN - 978-989-674-017-7
IS - 2184-4305
AU - L. Avitia, R.
AU - A. Reyna, M.
AU - E. Bravo, M.
AU - A. Cetto, L.
PY - 2010
SP - 201
EP - 205
DO - 10.5220/0002748802010205
PB - SciTePress

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