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User Activity Estimation by Non-intrusively Measurement  

Baek, Jong-Hun (Mobile Communication Division, Digital Media & Communications Business, SAMSUNG ELECTRONICS)
Yun, Byoung-Ju (School of Electrical Engineering and Computer Science, Kyungpook National University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SP / v.46, no.5, 2009 , pp. 101-110 More about this Journal
Abstract
The unconscious and non-intrusive measurements of activity signals or physiological signals represent important enabling technologies for realizing a ubiquitous healthcare environment as well as a related UI. Particularly, non-intrusive measurements should be used in activity monitoring system for long-term monitoring. This paper is based on activity estimation by measuring the activity signals of a user using a handhold device with an accelerometer. The user activity estimation system (UAES) presented in this paper makes non-intrusive measurements of activity signals to minimize inconveniencing a user and to create a more practical implementation in real life. Thus, a variety of positions in which the handhold device can be carried by a user for daily use is considered, such as in the front/hip/shirt pockets, a backpack, on the waist, and in the hand.
Keywords
Activity estimation; accelerometer; non-intrusive measurement; handhold device; healthcare;
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