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APPARATUS AND METHOD FOR DYNAMIC RANGE TRANSFORMING OF IMAGES

  • US 20140210847A1
  • Filed: 09/20/2012
  • Published: 07/31/2014
  • Est. Priority Date: 09/27/2011
  • Status: Active Grant
First Claim
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1. An image processing apparatus comprising:

  • a receiver for receiving an image signal, the image signal comprising at least a first encoded image and a first target display reference, the first target display reference being indicative of a dynamic range of a first target display for which the first encoded image is encoded, the first target display reference comprising at least a white point luminance of the first target display, and the receiver being arranged to handle white point luminances of at least 1000 nits and the first encoded image corresponding therewith;

    a dynamic range processor arranged to generate an output image by applying a dynamic range transform to the first encoded image taking into account the first target display reference; and

    an output for outputting an output image signal comprising the output image.

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