First Heart Sound Detection Methods - A Comparison of Wavelet Transform and Fourier Analysis in Different Frequency Bands

P. Langer, P. Jurák, J. Halámek, V. Vondra

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 Harvard Style

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 - Volume 1: BIOSIGNALS, (BIOSTEC 2014) ISBN 978-989-758-011-6, pages 278-283. DOI: 10.5220/0004911702780283


in Bibtex Style

@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 - Volume 1: BIOSIGNALS, (BIOSTEC 2014)},
year={2014},
pages={278-283},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004911702780283},
isbn={978-989-758-011-6},
}


in EndNote Style

TY - CONF
JO - Proceedings of the International Conference on Bio-inspired Systems and Signal Processing - Volume 1: BIOSIGNALS, (BIOSTEC 2014)
TI - First Heart Sound Detection Methods - A Comparison of Wavelet Transform and Fourier Analysis in Different Frequency Bands
SN - 978-989-758-011-6
AU - Langer P.
AU - Jurák P.
AU - Halámek J.
AU - Vondra V.
PY - 2014
SP - 278
EP - 283
DO - 10.5220/0004911702780283