Communications of the ACM
Your Smartphone Could Recognize You by How You Hold It
An algorithm trained to identify people from the vibrations of their hands did so with more than 90% accuracy.
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A group of researchers at France's Toulouse Institute of Computer Science Research trained an artificial intelligence (AI)-powered algorithm to identify persons based on patterns in their hand vibrations when holding a smartphone.
Over 200 volunteers each held a smartphone while its sensors gathered data during either a 30-second session or a series of sessions.
The AI analyzed roughly half of this data to formulate how best to distinguish individual users, then was tested on the other half to identify specific persons.
The algorithm identified test subjects correctly about 92.5% of the time within 1.5 seconds across 1,100 tests.
From New Scientist
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