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Methods and apparatuses for image processing

  • US 8,077,218 B2
  • Filed: 10/29/2009
  • Issued: 12/13/2011
  • Est. Priority Date: 02/15/2005
  • Status: Active Grant
First Claim
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1. A non-transitory machine readable medium containing executable computer program instructions which when executed by a data processing system causes said system to perform a method to generate a first dynamic range image from a second dynamic range image, the method comprising:

  • determining a mask showing one or more regions of the second dynamic range image containing pixels having values that are outside a first range and inside a second range;

    computing a weight distribution from the mask, wherein computing the weight distribution comprises blurring the mask to generate the weight distribution; and

    generating the first dynamic range image from the second dynamic range image using the weight distribution.

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