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Object rendering system to produce X-ray like images

  • US 6,061,469 A
  • Filed: 06/22/1998
  • Issued: 05/09/2000
  • Est. Priority Date: 06/22/1998
  • Status: Expired due to Fees
First Claim
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1. A system for rendering a material and geometric description of an object as a simulated X-Ray image, comprising:

  • means for decomposing said object into a plurality of solids and a 3D model of said plurality of solids, each of said plurality of solids having a surface and a predetermined mass attenuation coefficient;

    means for registering said 3D model in a 3D coordinate system including a source of a simulated X-Ray beam and a scene graph relating said plurality of solids;

    means for passing said simulated X-Ray beam through said plurality of solids;

    means for determining if said simulated X-Ray beam is entering or exiting a particular one of said plurality of solids;

    means responsive thereto for locating a void along a path of said simulated X-Ray beam;

    means for attenuating said simulated X-Ray beam according to said material and geometric description and said void; and

    means responsive to the attenuation of said simulated X-Ray beam for independently rendering said plurality of solids as the simulated X-Ray image.

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