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Border matting by dynamic programming

  • US 20060039611A1
  • Filed: 08/09/2004
  • Published: 02/23/2006
  • Est. Priority Date: 08/09/2004
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving a segmented image having a foreground region and a background region;

    determining a contour along a boundary between the foreground and background regions;

    defining an energy function corresponding to one or more parameters of an alpha map of pixels in an unknown region extending from the contour;

    estimating a center parameter and a width parameter for the alpha map by minimizing the defined energy function; and

    computing the alpha map corresponding to the estimated center and width parameters.

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