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Volume rendering processing distribution in a graphics processing unit

  • US 7,852,335 B2
  • Filed: 09/20/2007
  • Issued: 12/14/2010
  • Est. Priority Date: 05/09/2005
  • Status: Expired due to Fees
First Claim
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1. A method for determining coordinate data used by a graphics processing unit, the method comprising:

  • identifying via a processor vertices of an intersection of a cut plane with a geometry representing a scanned volume, where the intersection is on the cut plane and the intersection is of the geometry;

    if a number of the vertices is greater than four, identifying via a processor a fewer number of polygon vertices defining a single polygon completely enclosing the intersection, the polygon vertices having coordinates, the polygon being defined with fewer sides than the number, at least one of the polygon vertices having the same coordinates as a respective at least one of the vertices of the intersection;

    inputting the coordinates to the graphics processing unit; and

    generating, with the graphics processing unit, an image as a function of the coordinates and from data representing the scanned volume.

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