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Method and apparatus for recognizing facial expression

  • US 10,387,716 B2
  • Filed: 03/23/2017
  • Issued: 08/20/2019
  • Est. Priority Date: 10/21/2016
  • Status: Active Grant
First Claim
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1. A processor-implemented method of recognizing a facial expression of a user, the method comprising:

  • extracting a first feature from an input image, the first feature corresponding to a first expression represented in the input image;

    generating a reference image based on the input image;

    obtaining a second feature from the reference image, the second feature corresponding to a second expression represented in the reference image;

    determining a difference between the first expression and the second expression based on the first feature and the second feature; and

    recognizing the facial expression based on the determined difference between the first expression and the second expression.

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