公开(公告)号：US20230412837A1

公开(公告)日：2023-12-21

申请号：US18035266

申请日：2021-11-05

Applicant: LG ELECTRONICS INC.

Inventor： Hyunmook OH ,  Donggyu SIM ,  Joohyung BYEON ,  Sejin OH

IPC: H04N19/597 ,  H04N19/124 ,  H04N19/136

CPC classification number: H04N19/597 ,  H04N19/124 ,  H04N19/136

Abstract: A point cloud data transmission method according to embodiments may comprise the steps of: encoding point cloud data; and transmitting a bitstream including the point cloud data. Further, a point cloud data transmission device according to embodiments may comprise: an encoder for encoding point cloud data; and a transmitter for transmitting a bitstream including the point cloud data. Further, a point cloud data reception method according to embodiments may comprise the steps of: receiving a bitstream including point cloud data; and decoding the point cloud data. Further, a point cloud data reception device according to embodiments may comprise: a receiver for receiving a bitstream including point cloud data; and a decoder for decoding the point cloud data.

公开(公告)号：US20230291895A1

公开(公告)日：2023-09-14

申请号：US18016771

申请日：2021-07-23

Applicant: LG ELECTRONICS INC.

Inventor： Sooyeon LEE ,  Sejin OH ,  Donggyu SIM ,  Joohyung BYEON ,  Hansol CHOI

IPC: H04N19/107 ,  H04N19/136 ,  H04N19/105 ,  H04N19/423 ,  H04N19/13 ,  H04N19/167 ,  H04N19/597

CPC classification number: H04N19/107 ,  H04N19/136 ,  H04N19/105 ,  H04N19/423 ,  H04N19/13 ,  H04N19/167 ,  H04N19/597

Abstract: A point cloud data transmission method according to embodiments may comprise the steps of: acquiring point cloud data; encoding geometry information including the positions of points of the point cloud data by applying inter-prediction or intra-prediction; encoding attribute information including attribute values of the points of the point cloud data on the basis of the geometry information by applying the inter-prediction or intra-prediction; and transmitting the encoded geometry information, the encoded attribute information, and signaling information.