Abstract
This paper describes a method to improve the classification of everyday activities through detection of the location of an accelerometer device on the body. The detection of the device location allows an activity classification model, produced using a C4.5 decision tree and specifically tailored for that location, to be applied. Eight male subjects participated within the study. Participants wore six tri-axial accelerometers, positioned at various locations, whilst performing a number of everyday activities. A C4.5 decision tree was also used to detect the location of the accelerometer on the body which achieved an F-measure of 0.63. Based on this approach and applying the appropriate activity recognition model for the detected location improved activity recognition performance from an F-measure of 0.36 to 0.62, for the worst case, when using an activity model trained only one location.
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© 2014 Springer International Publishing Switzerland
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Cleland, I., Nugent, C.D., Finlay, D.D., Armitage, R. (2014). Detecting Accelerometer Placement to Improve Activity Classification. In: Roa Romero, L. (eds) XIII Mediterranean Conference on Medical and Biological Engineering and Computing 2013. IFMBE Proceedings, vol 41. Springer, Cham. https://doi.org/10.1007/978-3-319-00846-2_365
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DOI: https://doi.org/10.1007/978-3-319-00846-2_365
Publisher Name: Springer, Cham
Print ISBN: 978-3-319-00845-5
Online ISBN: 978-3-319-00846-2
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