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Detecting red eye filter and apparatus using meta-data

  • US 8,379,117 B2
  • Filed: 12/01/2010
  • Issued: 02/19/2013
  • Est. Priority Date: 10/09/1997
  • Status: Expired due to Fees
First Claim
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1. A method of detecting and correcting an eye defect within an acquired digital image comprising a multiplicity of pixels indicative of luminance and color, the pixels forming various shapes within the image, the method comprising:

  • acquiring a digital image including said multiplicity of pixels indicative of luminance and color;

    detecting a candidate eye defect region based on color or shape or both within the digital image;

    analyzing meta-data information including image acquisition device-specific information including image acquisition device-specific information, including f-stop, aperture, exposure, gain, white balance or color transformation, or combinations thereof, and further including focusing distance information at the time of acquisition, and information describing conditions under which the image was acquired;

    analyzing anthropometric information including statistics relating to at least one relationship between said focusing distance information at the time of acquisition as recorded by said auto-focus mechanism and a location of a second detected eye, lips, nostrils or a surrounding face, or combinations thereof;

    utilizing meta-data and anthropometric information to determine whether said candidate eye defect region is suspected as including an eye defect region; and

    filtering said candidate eye defect region from the digital image.

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