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POINT CLOUD COMPRESSION

  • US 20190311500A1
  • Filed: 04/10/2019
  • Published: 10/10/2019
  • Est. Priority Date: 04/10/2018
  • Status: Active Grant
First Claim
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1. A system comprising:

  • one or more sensors configured to capture a plurality of points that make up a point cloud, wherein respective ones of the points comprise spatial information for the point and attribute information for the point; and

    an encoder configured to compress the point cloud, wherein to compress the point cloud, the encoder is configured to;

    determine a plurality of patches each corresponding to portions of the point cloud;

    for each patch, generate a patch image comprising attribute information or spatial information for a set of points corresponding to a patch projected onto a patch plane;

    pack generated patch images for each of the determined patches into one or more patch image frames;

    generate a reconstructed version of the point cloud based on the patch images;

    determine one or more points included in the point cloud that are omitted from the reconstructed version of the point cloud; and

    encode the one or more patch image frames and spatial or attribute information for the one or more omitted points, wherein the one or more omitted points are compressed without determining additional patches for the one or more omitted points.

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