2009-081 – Chair-based sensors for activity recognition

A methodology and sensor set for recognizing seated postures using pressure data from sensors installed in a chair. Information about seated postures can be used to avoid adverse effects of sitting for long periods of time, or be used as input for interfaces to assist humans.This work is a new contribution in the area of chair pressure sensors. It uses a robust, lightweight, cost-effective system of only 19 sensors, and recognizes activity at 87% accuracy over ten postures. Cindy Lou Chepanoske cchepano@andrew.cmu.edu 412-268-2979

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