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Eye beautification

  • US 8,520,089 B2
  • Filed: 06/30/2010
  • Issued: 08/27/2013
  • Est. Priority Date: 07/30/2008
  • Status: Active Grant
First Claim
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1. A method of enhancing an appearance of a face within a digital image, comprising using a processor in:

  • acquiring a digital image of a scene including a face, including capturing the image using a lens and an image sensor of a processing device that includes the processor, or receiving said image following capture by another device that includes a lens and an image sensor, or a combination thereof;

    detecting the face within the digital image;

    segmenting skin tone portions of the face from face features including one or two eyes;

    within at least one of the eyes, identifying a border between an iris and a sclera of the eye using luminance information;

    enhancing pixels of the iris at an iris side of the border;

    displaying, transmitting, communicating or digitally storing or otherwise outputting the enhanced image or a further processed version, or combinations thereof; and

    wherein the method further comprises finding a border point as a maximum gradient point along a horizontal line through an upright eye, and growing the border including adding immediate neighboring points characterized by largest horizontal intensity gradients.

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