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UV mapping and compression

  • US 10,242,484 B1
  • Filed: 10/17/2017
  • Issued: 03/26/2019
  • Est. Priority Date: 10/17/2017
  • Status: Active Grant
First Claim
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1. A method comprising:

  • accessing, by one or more processors of a machine, a three-dimensional (3D) representation that defines a 3D surface of a 3D object;

    generating, by one or more processors of the machine, an atlas of color information based on the 3D representation that defines the 3D surface of the 3D object, the generating of the atlas including;

    encompassing the 3D surface in a bounding volume that includes a plurality of cubic blocks that subdivides the 3D surface;

    for each cubic block that intersects the 3D surface among the plurality of cubic blocks included in the bounding volume, calculating a corresponding orthogonal projection of that cubic block onto a corresponding two-dimensional (2D) face of the bounding volume that encompasses the 3D surface, the orthogonal projection of that cubic block defining color information of a corresponding square block for that cubic block; and

    grouping at least some of the square blocks that correspond to the orthogonally projected cubic blocks within a 2D image that specifies the color information generated based on the 3D representation that defines the 3D surface of the 3D object; and

    providing, by one or more processors of the machine, the generated atlas of the color information, the generated atlas including the grouped square blocks.

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