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IMAGE FOREGROUND EXTRACTION USING A PRESENTATION APPLICATION

  • US 20090060334A1
  • Filed: 08/06/2008
  • Published: 03/05/2009
  • Est. Priority Date: 08/06/2007
  • Status: Active Grant
First Claim
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1. A method of extracting a portion of an image, wherein the image is formed by a plurality of pixels, the method comprising:

  • generating a polygon in response to receiving one or more user inputs;

    displaying the polygon as an overlay on the image;

    categorizing pixels of the image as part of a foreground or background of the image, wherein the categorizing comprises;

    classifying pixels that are enclosed by an inner boundary of the polygon as part of the foreground;

    classifying pixels that are not enclosed by an outer boundary of the polygon as part of the background; and

    determining whether each pixel between the inner and outer boundary of the polygon is part of the background, foreground, or both the background and foreground; and

    extracting a foreground of the image based on the pixels categorized as part of the foreground.

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