Ten binary contact switches on a chair backrest can classify normal sitting, leaning back, leaning left, and leaning right with reported 96% accuracy in a 12-subject lab study.
A scalable real -time computer vision system for student posture detection in smart classrooms,
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Binary Contact Sensing for Sitting Posture Recognition Without Pressure Sensors
Ten binary contact switches on a chair backrest can classify normal sitting, leaning back, leaning left, and leaning right with reported 96% accuracy in a 12-subject lab study.