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Segmentation of digital images

  • US 20070009153A1
  • Filed: 05/26/2006
  • Published: 01/11/2007
  • Est. Priority Date: 05/26/2005
  • Status: Abandoned Application
First Claim
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1. A method for segmenting a digital image, the digital image comprising at least some mixed pixels whose visual characteristics are determined by a mixture of the visual characteristics of part of two or more portions of the image, the method comprising the steps of:

  • selecting one or more pixels within a first portion of the image to define a first pixel selection;

    expanding the first pixel selection to define a second pixel selection corresponding to a first portion of the image;

    defining a third pixel selection comprising those pixels in the image which are not in the second pixel selection;

    eroding the boundary of the third pixel selection one or more times to define a fourth pixel selection;

    expanding the fourth pixel selection to define a fifth pixel selection corresponding to a second portion of the image.

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