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Image processor for enhancing contrast between subregions of a region of interest

  • US 4,991,092 A
  • Filed: 08/12/1988
  • Issued: 02/05/1991
  • Est. Priority Date: 08/12/1988
  • Status: Expired due to Fees
First Claim
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1. A method for processing an image, said image comprising a plurality of pixels representing a region of interest partitioned into a plurality of voxels, said method comprising the steps of:

  • providing a plurality of multidimensional signals, each of said signals being associated with each of said voxels, said plurality of voxels being mapped into said plurality of signals in a signal space by a mapping M;

    computing a density function representative of the frequency of occurrence of each of said multidimensional signals in said signal space; and

    assigning a tone value to each of said plurality of voxels in accordance with said density function

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