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Method and system for reconstructing an image from projection data acquired by a cone beam computed tomography system

  • US 6,850,586 B2
  • Filed: 03/11/2004
  • Issued: 02/01/2005
  • Est. Priority Date: 09/26/2002
  • Status: Active Grant
First Claim
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1. A method for reconstructing a three-dimensional image of an object from cone beam projection data, the method comprising the steps of:

  • acquiring the cone beam projection data, the cone beam projection data comprising a plurality of cone beam projection images;

    determining a three-dimensional reconstruction region using a region of interest identified in at least one of the plurality of cone beam projection images, the three-dimensional reconstruction region being defined by a plurality of points; and

    reconstructing the image at each of the plurality of points to form the three-dimensional image of the region of interest.

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