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- W4287705035 abstract "Wrist accelerometers for assessing hallmark measures of physical activity (PA) are rapidly growing with the advent of smartwatch technology. Given the growing popularity of wrist-worn accelerometers, there needs to be a rigorous evaluation for recognizing (PA) type and estimating energy expenditure (EE) across the lifespan. Participants (66% women, aged 20-89 yrs) performed a battery of 33 daily activities in a standardized laboratory setting while a tri-axial accelerometer collected data from the right wrist. A portable metabolic unit was worn to measure metabolic intensity. We built deep learning networks to extract spatial and temporal representations from the time-series data, and used them to recognize PA type and estimate EE. The deep learning models resulted in high performance; the F1 score was: 0.82, 0.81, and 95 for recognizing sedentary, locomotor, and lifestyle activities, respectively. The root mean square error was 1.1 (+/-0.13) for the estimation of EE." @default.
- W4287705035 created "2022-07-26" @default.
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- W4287705035 date "2020-07-26" @default.
- W4287705035 modified "2023-10-01" @default.
- W4287705035 title "Deep CHORES: Estimating Hallmark Measures of Physical Activity Using Deep Learning" @default.
- W4287705035 doi "https://doi.org/10.48550/arxiv.2007.13114" @default.
- W4287705035 hasPublicationYear "2020" @default.
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