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Google Patent Allows Facial Expressions To Unlock Phones

Google Patent Allows Facial Expressions To Unlock Phones
technology

People would be able to make faces in place of a password, with the system confirming identity by their actions as well as their looks.

Emma Hutchings
  • 7 june 2013

Google has filed a patent that would let people make faces instead of entering a password when unlocking their Android phone or tablet. This system would confirm someone’s identity not only by their looks but also by their actions.

Some of these acceptable actions include a frown, forehead wrinkle, an open-mouth smile, sticking their tongue out, and eyebrow movements. Requiring specific gestures could prevent the Face Unlock feature being fooled by photos.

Google Patent Allows Funny Faces To Unlock A Phone

The software would track “facial landmarks” and compare two images taken from a captured video stream of the user’s face to see if the correct action had been carried out.

BBC News reports that to ensure the device was being shown a real person’s face and not doctored photographs, the software would study other frames from the video stream to see if a sequence of movements had been made. It would also confirm that all the frames showed the person’s face and monitor changes in the face’s angle to make sure it wasn’t being shown a still image with a fake gesture animated on top.

Google patent

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