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A Comprehensive Study of Activity Recognition using Accelerometers

Research output: Contribution to journalArticle

Original languageEnglish
Article number27
Number of pages37
Issue number2
Early online date30 May 2018
DateSubmitted - 2018
DateAccepted/In press - 25 May 2018
DateE-pub ahead of print - 30 May 2018
DatePublished (current) - Jun 2018


This paper serves a survey and empirical evaluation of the state-of-the-art in activity recognition methods using accelerometers. We examine research that has focused on the selection of activities, the features that are extracted from the accelerometer data, the segmentation of the time-series data, the locations of accelerometers, the selection and configuration trade-offs, the test/retest reliability, and the generalisation performance. Furthermore, we study these questions from an experimental platform and show, somewhat surprisingly, that many disparate experimental configurations yield comparable predictive performance on testing data. Our understanding of these results is that the experimental setup directly and indirectly defines a pathway for context to be delivered to the classifier, and that, in some settings, certain configurations are more optimal than alternatives. We conclude by identifying how the main results of this work can be used in practice, specifically in experimental configurations in challenging experimental conditions.

    Structured keywords

  • Digital Health

    Research areas

  • machine learning, activity recognition, activities of daily living, acelerometers, sensors

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    Licence: CC BY


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