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EM-Sense: Touch Recognition of Uninstrumented Electrical and Electromechanical Objects
- Published_at:2015-11-09
- Category:Science & Technology
- Channel:DisneyResearchHub
- tags: Disney Research Pittsburgh Carnegie Mellon University (College/University) Context Sensitive Object Detection Smartwatch EMI Wearable Computing Smart Clothes Tags
- description: Most everyday electrical and electromechanical objects emit small amounts of electromagnetic (EM) noise during regular operation. When a user makes physical contact with such an object, this EM signal propagates through the user, owing to the conductivity of the human body. By modifying a small, low-cost, software-defined radio, we can detect and classify these signals in real-time, enabling robust on-touch object detection. Unlike prior work, our approach requires no instrumentation of objects or the environment; our sensor is self-contained and can be worn unobtrusively on the body. We call our technique EM-Sense and built a proof-of-concept smartwatch implementation. Our studies show that discrimination between dozens of objects is feasible, independent of wearer, time and local environment.
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| 2015-11-11 | 38,551 | 0 | 1 |
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