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Health Systems Institute
Georgia Institute of Technology
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Research

Publications

The following is a list of publications produced by HSI related faculty and students. The link for each paper leads you to the citation, keyword, and abstract. For copies of the full papers, please use standard methods for obtaining academic publications, such as online library searches.

Context Awareness via a Single Device-Attached Accelerometer During Mobile Computing

Authors: J. S. Yi, Y. S. Choi, J. Jacko, A. Sears

Sep 2005

Proceedings of MobileHCI 2005

Abstract: Interest in context-aware computing has expanded the use of sensing technologies. The accelerometer is one of the most widely used sensors for capturing context because it is small, inexpensive, lightweight, and self-operable. In efforts to obtain behavioral patterns, many studies have reported the use of multiple accelerometers attached to the human body. However, this is difficult to implement in real-life situations and may not fully address the context of user interaction. In contrast, the present study employed a single tri-axial accelerometer attached to a handheld computing device instead of to a user. The objective was to determine what contextual information could be obtained from this more feasible, albeit limited, source of acceleration data. Data analyses confirmed that changes in both mobility and lighting conditions induced statistically significant differences in the output of the accelerometer.

Citation: Yi, J. S., Choi, Y. S., Jacko, J. A., & Sears, A. (2005) Context Awareness via a Single Device-Attached Accelerometer During Mobile Computing. Proceedings of 7th International Conference on Human Computer Interaction with Mobile Devices and Services (MobileHCI '05), Salzburg, Austria, September 19-22, 303-306.

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