Display Content Adaptation Using a Force Sensitive Office Chair

Andreas Riener
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Andreas Riener: Johannes Kepler University Linz, Austria

International Journal of Ambient Computing and Intelligence (IJACI), 2011, vol. 3, issue 3, 8-17

Abstract: In this paper, the author introduces a novel method for non-invasive, implicit human-computer interaction based on dynamically evaluated sitting postures. The research question addressed is whether or not the proposed system is able to allow for non-obtrusive screen content adaptation in a reading situation. To this end, the author has integrated force sensor array mats into a traditional office chair, providing sitting postures/gestures of the person seated in real time. In detail, variations in the center of pressure were used for application control, starting more generally with usability assessment of cursor control, breaking them down to simple(r) pan and zoom of screen content. Preliminary studies have indicated that such a system cannot get close to the performance/accuracy of keyboard or mouse, however its general usability, e.g., for handicapped persons or for less dynamic screen content adaptation, has been demonstrated and some future potential has been recognized.

Date: 2011
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