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http://dx.doi.org/10.6106/KJCEM.2018.19.1.021

Behavioral Contextualization for Extracting Occupant's ADL Patterns in Smart-home Environment  

Lee, Bogyeong (Department of Architecture and Architectural Engineering, Seoul National University)
Lee, Hyun-Soo (Department of Architecture and Architectural Engineering, Seoul National University)
Park, Moonseo (Department of Architecture and Architectural Engineering, Seoul National University)
Publication Information
Korean Journal of Construction Engineering and Management / v.19, no.1, 2018 , pp. 21-31 More about this Journal
Abstract
The rapid increase of the elderly living alone is a critical issue in worldwide as it leads to a rapid increase of a social support costs (e.g., medical expenses) for the elderly. In early stages of dementia, the activities of daily living (ADL) including self-care tasks can be affected by abnormal patterns or behaviors and used as an evidence for the early diagnosis. However, extracting activities using non-intrusive approach is still quite challenging and the existing methods are not fully visualized to understand the behavior pattern or routine. To address these issues, this research suggests a model to extract the activities from coarse-grained data (spatio-temporal data log) and visualize the behavioral context information. Our approach shows the process of extracting and visualizing the subject's spaceactivity map presenting the context of each activity (time, room, duration, sequence, frequency). This research contributes to show a possibility of detecting subject's activities and behavioral patterns using coarse-grained data (limited to spatio-temporal information) with little infringement of personal privacy.
Keywords
Activities of Daily Living (ADL); Behavioral Contextualization; Non-intrusive Sensing Approach; Smart-home;
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Times Cited By KSCI : 1  (Citation Analysis)
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