Back to results
US 11,601,488 B2Granted
Device and method for transmitting point cloud data, device and method for processing point cloud data
AssigneeLG Electronics Inc.
InventorsHyejung Hur, Sejin Oh
Life of this patent
Estimating the term…
Abstract
Disclosed herein are a point cloud data transmission method including encoding point cloud data, and transmitting a bitstream containing the point cloud data, and a point cloud data processing method including receiving a bitstream containing point cloud data, and decoding the point cloud data.
Claims16
A method for transmitting point cloud data, the method comprising:
- encoding point cloud data including geometry and attribute, the geometry representing positions of points of the point cloud data and the attribute including at least one of color and reflectance of the points, wherein:
- the attribute is encoded based on one or more LODs (Level Of Details) that are generated by reorganizing the points, one or more neighbor points of a point of a LOD of the one or more LODs are selected based on a maximum neighbor distance;
- and
- transmitting a bitstream including the encoded point cloud data,
- wherein the maximum neighbor distance is generated based on a LOD and a neighbor search range for the point,
- wherein the maximum neighbor distance is represented as 2LoD2×3×NN_range, and
- wherein the LoD represents a level of LOD of the point, and the NN_range is a neighbor point search range that represents a number of one or more octree nodes around the point.
4 more elements
A method for processing point cloud data, the method comprising:
- receiving a bitstream including the point cloud data, the point cloud data including geometry and attribute, the geometry representing positions of points of the point cloud data, and the attribute including at least one of color and reflectance of the points;
- and
- decoding the point cloud data, wherein the attribute is decoded based on one or more LODs (Level Of Details) that are generated by reorganizing the points, one or more neighbor points of a point of a LOD of the one or more LODs are selected based on a maximum neighbor distance,
- wherein the maximum neighbor distance is generated based on a LOD and a neighbor search range for the point,
- wherein the maximum neighbor distance is represented as 2LoD2×3×NN_range, and
- wherein the LoD represents a level of LOD of the point, and the NN_range is a neighbor point search range that represents a number of one or more octree nodes around the point.
3 more elements
A device for processing point cloud data, the device comprising:
- a receiver to receive a bitstream including the point cloud data, the point cloud data including geometry and attribute, the geometry representing positions of points of the point cloud data, the attribute including at least one of color and reflectance of the points;
- and
- a decoder to decode the point cloud data, wherein the attribute is decoded based on one or more LODs (Level Of Details) that are generated by reorganizing the points, one or more neighbor points of a point of a LOD of the one or more LODs are selected based on a maximum neighbor distance,
- wherein the maximum neighbor distance is generated based on a LOD and a neighbor search range for the point,
- wherein the maximum neighbor distance is represented as 2LoD2×3×NN_range, and
- wherein the LoD represents a level of LOD of the point, and the NN_range is a neighbor point search range that represents a number of one or more octree nodes around the point.
3 more elements
A device of transmitting point cloud data, the device comprising:
- an encoder configured to encode point cloud data including geometry and attribute, the geometry representing positions of points of the point cloud data and the attribute including at least one of color and reflectance of the points, wherein:
- the attribute is encoded based on one or more LODs (Level Of Details) that are generated by reorganizing the points, one or more neighbor points of a point of a LOD of the one or more LODs are selected based on a maximum neighbor distance;
- and
- a transmitter configured to transmit a bitstream including the encoded point cloud data,
- wherein the maximum neighbor distance is generated based on a LOD and a neighbor search range for the point,
- wherein the maximum neighbor distance is represented as 2LoD2×3×NN_range, and
- wherein the LoD represents a level of LOD of the point, and the NN_range is a neighbor point search range that represents a number of one or more octree nodes around the point.
4 more elements
Dependencies are inferred from the claim text.