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Authors: P. Langer 1 ; P. Jurák 2 ; J. Halámek 2 and V. Vondra 2

Affiliations: 1 International Clinical Research Center and Institute of Scientific Instruments AS CR, Czech Republic ; 2 Institute of Scientific Instruments AS CR, Czech Republic

Keyword(s): First Heart Sound, Respiration, Stroke Volume, Correlation, Wavelet Transform, Fourier Analysis.

Related Ontology Subjects/Areas/Topics: Acoustic Signal Processing ; Applications ; Applications and Services ; Biomedical Engineering ; Biomedical Signal Processing ; Biometrics ; Biometrics and Pattern Recognition ; Cardiovascular Signals ; Computer Vision, Visualization and Computer Graphics ; Medical Image Detection, Acquisition, Analysis and Processing ; Monitoring and Telemetry ; Multimedia ; Multimedia Signal Processing ; Pattern Recognition ; Telecommunications

Abstract: Methods of heart sound pre-processing are compared in this study. These methods are wavelet transform and Fourier analysis in different frequency bands. After pre-processing, the first heart sound was detected. Correlation of the first heart sound with respiration was chosen, as a sign of optimal detection. The results are demonstrated in a study of 30 volunteers. Optimal band selection for heart sound filtering is shown to be strongly individual, and is far more important than selecting Fourier analysis or wavelet transform as filtering method. Correlation with respiration proved to be a good sign for first heart sound detection evaluation.

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Paper citation in several formats:
Langer, P.; Jurák, P.; Halámek, J. and Vondra, V. (2014). First Heart Sound Detection Methods - A Comparison of Wavelet Transform and Fourier Analysis in Different Frequency Bands. In Proceedings of the International Conference on Bio-inspired Systems and Signal Processing (BIOSTEC 2014) - BIOSIGNALS; ISBN 978-989-758-011-6; ISSN 2184-4305, SciTePress, pages 278-283. DOI: 10.5220/0004911702780283

@conference{biosignals14,
author={P. Langer. and P. Jurák. and J. Halámek. and V. Vondra.},
title={First Heart Sound Detection Methods - A Comparison of Wavelet Transform and Fourier Analysis in Different Frequency Bands},
booktitle={Proceedings of the International Conference on Bio-inspired Systems and Signal Processing (BIOSTEC 2014) - BIOSIGNALS},
year={2014},
pages={278-283},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004911702780283},
isbn={978-989-758-011-6},
issn={2184-4305},
}

TY - CONF

JO - Proceedings of the International Conference on Bio-inspired Systems and Signal Processing (BIOSTEC 2014) - BIOSIGNALS
TI - First Heart Sound Detection Methods - A Comparison of Wavelet Transform and Fourier Analysis in Different Frequency Bands
SN - 978-989-758-011-6
IS - 2184-4305
AU - Langer, P.
AU - Jurák, P.
AU - Halámek, J.
AU - Vondra, V.
PY - 2014
SP - 278
EP - 283
DO - 10.5220/0004911702780283
PB - SciTePress

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