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Occlusion reducing transformations for three-dimensional detail-in-context viewing

  • US 7,280,105 B2
  • Filed: 07/07/2004
  • Issued: 10/09/2007
  • Est. Priority Date: 09/06/2000
  • Status: Expired due to Fees
First Claim
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1. A method for generating a presentation of a region-of-interest in an information representation for display on a display screen, comprising:

  • establishing a viewpoint for the region-of-interest;

    establishing a path between the viewpoint and the region-of-interest;

    establishing a mesh for the information representation, the mesh having regions defined by a plurality of vertex points;

    displacing ones of the points away from the path according to a transformation function to locations within the mesh where substantially all of the points displaced remain visible and do not occlude the region-of-interest when viewed from the viewpoint to generate a displaced mesh;

    overlaying the information representation on the displaced mesh to generate the presentation; and

    ,displaying the presentation on the display screen;

    wherein the transformation function is constrained by a shaping function separate from the transformation function to control displacement of the points within a background of the region-of-interest.

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