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Image formats and related methods and apparatuses

  • US 8,988,552 B2
  • Filed: 09/25/2012
  • Issued: 03/24/2015
  • Est. Priority Date: 09/26/2011
  • Status: Active Grant
First Claim
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1. A method for displaying an image on a target display, the method comprising:

  • processing image data that has been reviewed on a reference display and encoded such that a predetermined image value of the image data corresponds to a predetermined mid-tone value displayed on the reference display, the processing comprising applying a mapping to the image data that maps the predetermined image value to the predetermined mid-tone value when viewed on the target display,wherein a dynamic range of the target display differs from a dynamic range of the reference display;

    wherein the mapping sets the slope of the mid-tone region of a response function when viewed on the target display to match a corresponding mid tone region of a response function of the reference display; and

    wherein the mapping comprises a mapping function given by;

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