Accuracy of heart rate variability estimation by photoplethysmography using an smartphone : processing optimization and fiducial point selection

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dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica
dc.contributor	Universitat Politècnica de Catalunya. IEB - Instrumentació Electrònica i Biomèdica
dc.contributor.author	Ferrer Mileo, Víctor
dc.contributor.author	Guede Fernández, Federico
dc.contributor.author	Fernández Chimeno, Mireya
dc.contributor.author	Ramos Castro, Juan José
dc.contributor.author	García González, Miguel Ángel
dc.date	2015
dc.identifier.citation	Ferrer, V., Guede, F., Fernandez, M., Ramos, J., Garcia, M. Accuracy of heart rate variability estimation by photoplethysmography using an smartphone : processing optimization and fiducial point selection. A: Annual International Conference of the IEEE Engineering in Medicine and Biology Society. "Proceedings of the Engineering in Medicine and Biology Society (EMBC), 2015". Milan: Institute of Electrical and Electronics Engineers (IEEE), 2015, p. 5700-5703.
dc.identifier.citation	978-1-4244-9270-1
dc.identifier.citation	10.1109/EMBC.2015.7319686
dc.identifier.uri	http://hdl.handle.net/2117/85019
dc.language.iso	eng
dc.publisher	Institute of Electrical and Electronics Engineers (IEEE)
dc.relation	ieeexplore.ieee.org
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject	Àrees temàtiques de la UPC::Enginyeria electrònica
dc.subject	Àrees temàtiques de la UPC::Enginyeria biomèdica
dc.subject	Enginyeria biomèdica
dc.subject	Monitoratge de pacients
dc.title	Accuracy of heart rate variability estimation by photoplethysmography using an smartphone : processing optimization and fiducial point selection
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/conferenceObject
dc.description.abstract	This work compares several fiducial points to detect the arrival of a new pulse in a photoplethysmographic signal using the built-in camera of smartphones or a photoplethysmograph. Also, an optimization process for the signal preprocessing stage has been done. Finally we characterize the error produced when we use the best cutoff frequencies and fiducial point for smartphones and photopletysmograph and compare if the error of smartphones can be reasonably be explained by variations in pulse transit time. The results have revealed that the peak of the first derivative and the minimum of the second derivative of the pulse wave have the lowest error. Moreover, for these points, high pass filtering the signal between 0.1 to 0.8 Hz and low pass around 2.7 Hz or 3.5 Hz are the best cutoff frequencies. Finally, the error in smartphones is slightly higher than in a photoplethysmograph

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