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Conference Papers Year : 2014

Verification of Daily Activities of Older Adults: A Simple, Non-Intrusive, Low-Cost Approach

Abstract

This paper presents an approach to verifying the activities of daily living of older adults at their home. We verify activities, instead of inferring them, because our monitoring approach is driven by routines, initially sketched by users in their environment. Monitoring is supported by a lightweight sensor infrastructure, comprising non-intrusive, low-cost, wireless devices. Verification is performed by applying a simple formula to sensor log data, for each activity of interest. The result value determines whether an activity has been performed. We have conducted an experimental study to validate our approach. To do so, four participants have been monitored during five days at their home, equipped with sensors. When applied to the log data, our formulas were able to automatically verify that a list of activities were performed. They produced the same interpretations, using Signal Detection Theory, as a third party, manually analyzing the log data.
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Dates and versions

hal-01015280 , version 1 (26-06-2014)

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Loïc Caroux, Charles Consel, Lucile Dupuy, Hélène Sauzéon. Verification of Daily Activities of Older Adults: A Simple, Non-Intrusive, Low-Cost Approach. ASSETS - The 16th International ACM SIGACCESS Conference on Computers and Accessibility, Oct 2014, Rochester, NY, United States. pp.43-50, ⟨10.1145/2661334.2661360⟩. ⟨hal-01015280⟩

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