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Authors: L. Rossini ; R. Vetter ; C. Verjus ; P. Theurillat ; P. Renevey ; M. Bertschi and J. Krauss

Affiliation: Swiss Center for Electronics and Microtechnology, Switzerland

Keyword(s): Ear located heart rate monitor, Strapless heart rate monitor, Ear clip, Earphone, Portable audio players.

Related Ontology Subjects/Areas/Topics: Biomedical Engineering ; Biomedical Equipment ; Biomedical Instruments and Devices ; Biomedical Metrology ; Devices ; Embedded Signal Processing ; Emerging Technologies ; Health Monitoring Devices ; Human-Computer Interaction ; Physiological Computing Systems ; Telecommunications ; Wireless and Mobile Technologies ; Wireless Information Networks and Systems

Abstract: We have developed a device for heart rate estimation with the optical sensing unit integrated in a classic media player earphone. The sensing principle is based on an optical infrared measurement directly on the ear lobe whereas the heart rate estimation is obtained utilizing robust model-based signal processing techniques valid even for quasi periodic activities such as running. Nevertheless, the remaining problem related to these strategies are statistically undetectable inter-beat during short term sporadic activities. In this paper, we present a novel robust inter-beat discarding method based on an activity related modeling of the expected heart rate dynamics that incorporates a simple cardiovascular model to reduce related inaccuracies in the heart rate estimation. A validation protocol has been designed and 9 subjects were asked to carry out their daily normal office activities for a time length ranging from 1 to 2 hours. A global absolute relative error mean of 0.9% between th e estimated heart rate and a reference device and a sensitivity above 90% demonstrate encouraging performances of the proposed device. (More)

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Paper citation in several formats:
Rossini, L.; Vetter, R.; Verjus, C.; Theurillat, P.; Renevey, P.; Bertschi, M. and Krauss, J. (2009). ROBUST EAR LOCATED HEART RATE MONITOR. In Proceedings of the International Conference on Biomedical Electronics and Devices (BIOSTEC 2009) - BIODEVICES; ISBN 978-989-8111- 64-7; ISSN 2184-4305, SciTePress, pages 214-219. DOI: 10.5220/0001541002140219

@conference{biodevices09,
author={L. Rossini. and R. Vetter. and C. Verjus. and P. Theurillat. and P. Renevey. and M. Bertschi. and J. Krauss.},
title={ROBUST EAR LOCATED HEART RATE MONITOR},
booktitle={Proceedings of the International Conference on Biomedical Electronics and Devices (BIOSTEC 2009) - BIODEVICES},
year={2009},
pages={214-219},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001541002140219},
isbn={978-989-8111- 64-7},
issn={2184-4305},
}

TY - CONF

JO - Proceedings of the International Conference on Biomedical Electronics and Devices (BIOSTEC 2009) - BIODEVICES
TI - ROBUST EAR LOCATED HEART RATE MONITOR
SN - 978-989-8111- 64-7
IS - 2184-4305
AU - Rossini, L.
AU - Vetter, R.
AU - Verjus, C.
AU - Theurillat, P.
AU - Renevey, P.
AU - Bertschi, M.
AU - Krauss, J.
PY - 2009
SP - 214
EP - 219
DO - 10.5220/0001541002140219
PB - SciTePress

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