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Processing an image of a person's face

  • US 8,559,712 B2
  • Filed: 09/13/2010
  • Issued: 10/15/2013
  • Est. Priority Date: 09/13/2010
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method comprising:

  • receiving an image containing a representation of a person'"'"'s face, where the face has a target feature, wherein the image has points each including a Cb component and a Cr component in a YCbCr space;

    for each of the points of the image, combining, by a system having a processor, values of the Cb and Cr components to provide an aggregate value for the corresponding point, wherein combining the values comprises calculating a product based on the Cb and Cr components;

    lightening midtones of values of a Y component in the YCbCr space to provide pre-processed values of the Y component;

    darkening midtones of the aggregate values derived from calculating the product based on the Cb and Cr components to provide pre-processed aggregate values;

    combining the pre-processed values of the Y component with the pre-processed aggregate values; and

    producing a converted image based on values for the corresponding points derived from combining the pre-processed values of the Y component and the pre-processed aggregate values.

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