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Object matting using flash and no-flash images

  • US 20070263119A1
  • Filed: 05/15/2006
  • Published: 11/15/2007
  • Est. Priority Date: 05/15/2006
  • Status: Active Grant
First Claim
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1. A method of obtaining a matte suitable for separating a foreground object from a background object, the method comprising:

  • obtaining a flash-only image of a scene based on an image of the scene taken with a flash and an image of the scene taken without a flash;

    obtaining a trimap based on the flash-only image; and

    obtaining a matte suitable for separating a foreground object from a background object of the scene based on the trimap, the flash-only image and at least one of the image of the scene taken without the flash and the image of the scene taken with the flash.

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