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APPARATUS AND METHOD FOR FINDING VISIBLE POINTS IN A CLOUD POINT

  • US 20100295850A1
  • Filed: 05/24/2009
  • Published: 11/25/2010
  • Est. Priority Date: 11/29/2006
  • Status: Active Grant
First Claim
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1. A method of determining whether a specific point in a computerized image is visible from a viewpoint;

  • said image is represented as a point cloud, the method comprising;

    a. performing inversion on points located in the vicinity of the specific point thus creating a computerized inversed object, each point in the vicinity of the specific point is translated to a parallel point in the computerized inversed object;

    b. defining a convex hull of the inversed object;

    c. determining if the specific point is visible from the viewpoint according to the position of its parallel point on the convex hull.

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