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System and method for cost-effective, high-fidelity 3D-modeling of large-scale urban environments

  • US 8,818,076 B2
  • Filed: 08/31/2006
  • Issued: 08/26/2014
  • Est. Priority Date: 09/01/2005
  • Status: Active Grant
First Claim
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1. A method for three-dimensional (3D) modeling of an urban environment, said method comprising the steps of:

  • a) acquiring 3D aerial imagery of said urban environment;

    b) acquiring 3D street-level imagery of said urban environment;

    c) identifying pixels representing ground control-points and tie-points in every instance of said imagery, in which said ground control points and tie-points have been captured; and

    d) co-registering said instances of said 3D aerial imagery and said 3D street-level imagery using at least one of ground control-points and tie-points;

    wherein said co-registered imagery enables extraction of ground coordinates for each pixel located in overlapping segments of aerial imagery and said street-level imagery representing a 3D-point within said urban environment and the ability to switch between over lapping segments.

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