Point cloud data transmission device, point cloud data transmission method, point cloud data reception device, and point cloud data reception method
AssigneeLG Electronics Inc.
InventorHyejung HUR
Life of this patent
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Abstract
Disclosed are a point cloud data transmission method, a cloud data transmission device, a cloud data reception method, and a cloud data reception device according to embodiments. A point cloud data transmission method according to embodiments may comprise the steps of: encoding geometry data of point cloud data; encoding attribute data of the point cloud data on the basis of the geometry data; and transmitting the encoded geometry data, the encoded attribute data, and signaling data.
Claims15
A method of transmitting point cloud data, the method comprising:
- encoding geometry data of the point cloud data;
- encoding attribute data of the point cloud data based on the geometry data;
- and
- transmitting the encoded geometry data, the encoded attribute data, and signaling data,
- wherein the encoding of the geometry data comprises:
- splitting the geometry data into one or more prediction units;
- and
- encoding the geometry data in each of the split prediction units in a manner of inter-prediction.
A device for transmitting point cloud data, comprising:
- a geometry encoder configured to encode geometry data of the point cloud data;
- an attribute encoder configured to encode attribute data of the point cloud data based on the geometry data;
- and
- a transmitter configured to transmit the encoded geometry data, the encoded attribute data, and signaling data,
- wherein the geometry encoder comprises:
- a splitter configured to split the geometry data into one or more prediction units;
- and
- an inter-predictor configured to encode the geometry data in each of the split prediction units in a manner of inter-prediction.
A method of receiving point cloud data, the method comprising:
- receiving geometry data, attribute data, and signaling data;
- decoding the geometry data based on the signaling data;
- decoding the attribute data based on the signaling data and the decoded geometry data;
- and
- rendering point cloud data reconstructed based on the decoded geometry data and the decoded attribute data,
- wherein the decoding of the geometry data comprises:
- splitting reference data for the geometry data into one or more prediction units based on the signaling data;
- and
- decoding the geometry data in each of the split prediction units in a manner of inter-prediction.
Dependencies are inferred from the claim text.