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dc.contributor.authorTarniceriu, Adrian
dc.contributor.authorParak, Jakub
dc.contributor.authorRenevey, Philippe
dc.contributor.authorNurmi, Marko
dc.contributor.authorBertschi, Mattia
dc.contributor.authorDelgado-Gonzalo, Ricard
dc.contributor.authorKorhonen, Ilkka
dc.identifier.citation2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), Orlando, FL (USA), pp. 186-189
dc.description.abstractHeart rate (HR) and HR variability (HRV) carry rich information about physical activity, mental and physical load, physiological status, and health of an individual. When combined with activity monitoring and personalized physiological modelling, HR/HRV monitoring may be used for monitoring of complex behaviors and impact of behaviors and external factors on the current physiological status of an individual. Optical HR monitoring (OHR) from wrist provides a comfortable and unobtrusive method for HR/HRV monitoring and is better adhered by users than traditional ECG electrodes or chest straps. However, OHR power consumption is significantly higher than that for ECG based methods due to the measurement principle based on optical illumination of the tissue. We developed an algorithmic approach to reduce power consumption of the OHR in 24/7 HR trending. We use continuous activity monitoring and a fast converging frequency domain algorithm to derive a reliable HR estimate in 7.1s (during outdoor sports, in average) to 10.0s (during daily life). The method allows >80% reduction in power consumption in 24/7 OHR monitoring when average HR monitoring is targeted, without significant reduction in tracking accuracy.
dc.titleTowards 24/7 continuous heart rate monitoring
dc.typeProceedings Article
dc.type.csemresearchareasDigital Health

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