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Tone selective adjustment of images

  • US 20050074179A1
  • Filed: 10/03/2003
  • Published: 04/07/2005
  • Est. Priority Date: 10/03/2003
  • Status: Active Grant
First Claim
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1. A method for processing an image, the method comprising:

  • determining a first tone value for a location within the image based upon attributes of pixels within a first neighborhood surrounding the location, the first tone value specifying a local weight for a first tone adjustment in the image;

    determining a second tone value for the location based upon attributes of pixels within a second neighborhood surrounding the location, the second tone value specifying a local weight for a second tone adjustment in the image; and

    adjusting the image at the location using the first and second tone adjustments according to the local weights specified by the first and second tone values, respectively.

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