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AuthorSabry, Farida
AuthorEltaras, Tamer
AuthorLabda, Wadha
AuthorHamza, Fatima
AuthorAlzoubi, Khawla
AuthorMalluhi, Qutaibah
Available date2024-07-17T07:14:49Z
Publication Date2022
Publication NameSensors
ResourceScopus
Identifierhttp://dx.doi.org/10.3390/s22051887
ISSN14248220
URIhttp://hdl.handle.net/10576/56768
AbstractWith the ongoing advances in sensor technology and miniaturization of electronic chips, more applications are researched and developed for wearable devices. Hydration monitoring is among the problems that have been recently researched. Athletes, battlefield soldiers, workers in extreme weather conditions, people with adipsia who have no sensation of thirst, and elderly people who lost their ability to talk are among the main target users for this application. In this paper, we address the use of machine learning for hydration monitoring using data from wearable sensors: accelerometer, magnetometer, gyroscope, galvanic skin response sensor, photoplethysmography sensor, temperature, and barometric pressure sensor. These data, together with new features constructed to reflect the activity level, were integrated with personal features to predict the last drinking time of a person and alert the user when it exceeds a certain threshold. The results of applying different models are compared for model selection for on-device deployment optimization. The extra trees model achieved the least error for predicting unseen data; random forest came next with less training time, then the deep neural network with a small model size, which is preferred for wearable devices with limited memory. Embedded on-device testing is still needed to emphasize the results and test for power consumption.
SponsorFunding: This publication was made possible by a grant from the Qatar National Research Fund (QNRF), Project Number ECRA 01-006-1-001. The contents of this research are solely the responsibility of the authors and do not necessarily represent the official views of the Qatar National Research Fund (QNRF).
Languageen
PublisherMDPI
SubjectDehydration detection
Electro-dermal activity
Hydration monitoring
Machine learning
On-device
Photoplethysmography
Skin response
Wearable devices
TitleTowards On-Device Dehydration Monitoring Using Machine Learning from Wearable Device's Data
TypeArticle
Pagination-
Issue Number5
Volume Number22
dc.accessType Open Access


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