Can Smartwatches Replace Smartphones for Posture Tracking?
AbstractThis paper introduces a human posture tracking platform to identify the human postures of sitting, standing or lying down, based on a smartwatch. This work develops such a system as a proof-of-concept study to investigate a smartwatch’s ability to be used in future remote health monitoring systems and applications. This work validates the smartwatches’ ability to track the posture of users accurately in a laboratory setting while reducing the sampling rate to potentially improve battery life, the first steps in verifying that such a system would work in future clinical settings. The algorithm developed classifies the transitions between three posture states of sitting, standing and lying down, by identifying these transition movements, as well as other movements that might be mistaken for these transitions. The system is trained and developed on a Samsung Galaxy Gear smartwatch, and the algorithm was validated through a leave-one-subject-out cross-validation of 20 subjects. The system can identify the appropriate transitions at only 10 Hz with an F-score of 0.930, indicating its ability to effectively replace smart phones, if needed. View Full-Text
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Mortazavi, B.; Nemati, E.; VanderWall, K.; Flores-Rodriguez, H.G.; Cai, J.Y.J.; Lucier, J.; Naeim, A.; Sarrafzadeh, M. Can Smartwatches Replace Smartphones for Posture Tracking? Sensors 2015, 15, 26783-26800.
Mortazavi B, Nemati E, VanderWall K, Flores-Rodriguez HG, Cai JYJ, Lucier J, Naeim A, Sarrafzadeh M. Can Smartwatches Replace Smartphones for Posture Tracking? Sensors. 2015; 15(10):26783-26800.Chicago/Turabian Style
Mortazavi, Bobak; Nemati, Ebrahim; VanderWall, Kristina; Flores-Rodriguez, Hector G.; Cai, Jun Y.J.; Lucier, Jessica; Naeim, Arash; Sarrafzadeh, Majid. 2015. "Can Smartwatches Replace Smartphones for Posture Tracking?" Sensors 15, no. 10: 26783-26800.