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Image processor for and method of performing tonal transformation on image data

  • US 7,418,138 B2
  • Filed: 12/15/2004
  • Issued: 08/26/2008
  • Est. Priority Date: 12/15/2004
  • Status: Active Grant
First Claim
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1. A method of performing tonal transformation on image data, the method comprising:

  • extracting a plurality of portions of the image data;

    assigning one of a plurality of labels to each of the plurality of extracted portions, the plurality of labels comprising a first label and a second label;

    performing a first tonal transformation on the extracted portion assigned the first label; and

    performing a second tonal transformation on the extracted portion assigned the second label.

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