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Methods and systems for converting images from low dynamic to high dynamic range

  • US 8,265,378 B2
  • Filed: 12/24/2004
  • Issued: 09/11/2012
  • Est. Priority Date: 04/15/2004
  • Status: Active Grant
First Claim
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1. A method for converting image data of an image from a lower bit depth representation to a higher bit depth representation, the image having a saturation region wherein a color model value of each individual pixel in the saturation region is one of:

  • above an upper saturation threshold and below a lower saturation threshold, the method comprising;

    identifying pixels in the saturation region; and

    adjusting the color model value of one or more individual pixels in the saturation region by a corresponding adjustment, a magnitude of each adjustment dependent, at least in part, on a number of pixels between the corresponding individual pixel and an edge of the saturation region.

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