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US 2025/0029284 A1Published application
Processing missing points of a point cloud
AssigneeInterDigital VC Holdings, Inc.
InventorsJoan Llach, Celine Guede, Jean-Claude Chevet
Life of this patent
Estimating the term…
Abstract
At least one embodiment relates to a method assigning a pixel value of an occupancy map either indicates that a depth value of at least one 3D sample of a point cloud frame projected along a same projection line is stored as a pixel value of at least one layer or equals a fixed-length codeword representing a depth value of at least one 3D sample projection along said projection line.
Claims17
A method comprising:
- decoding a pixel value of an occupancy map indicating that a depth value of at least one 3D sample of a point cloud frame projected along a projection line is a pixel value of a depth image, and said pixel value indicating whether a codeword representing at least one depth value of at least one other 3D sample projected along said projection line, is stored in said occupancy map by said pixel value, wherein depth values of 3D samples of the point cloud frame are coded using a single depth image;
- and
- reconstructing said at least one 3D sample based on said pixel value of the occupancy map.
An apparatus comprising one or more processors configured to:
- decoding a pixel value of an occupancy map indicating that a depth value of at least one 3D sample of a point cloud frame projected along a projection line is a pixel value of a depth image, and said pixel value indicating whether a codeword representing at least one depth value of at least one other 3D sample projected along said projection line, is stored in said occupancy map by said pixel value, wherein depth values of 3D samples of the point cloud frame are coded using a single depth image;
- and
- reconstructing said at least one 3D sample based on said pixel value of the occupancy map.
A method comprising:
- encoding a pixel value of an occupancy image indicating that a depth value of at least one 3D sample of a point cloud frame projected along a projection line is encoded as a pixel value of a depth image, and said pixel value indicating whether a codeword representing at least one depth value of at least one other 3D sample projected along said projection line, is stored in said occupancy image by said pixel value, wherein depth values of 3D samples of the point cloud frame are coded using a single depth image;
- and
- encoding said depth value of said at least one 3D sample.
An apparatus comprising one or more processors configured to
- encoding a pixel value of an occupancy image indicating that a depth value of at least one 3D sample of a point cloud frame projected along a projection line is encoded as a pixel value of a depth image, and said pixel value indicating whether a codeword representing at least one depth value of at least one other 3D sample projected along said projection line, is stored in said occupancy image by said pixel value, wherein depth values of 3D samples of the point cloud frame are coded using a single depth image;
- and
- encoding said depth value of said at least one 3D sample.
Dependencies are inferred from the claim text.