公开(公告)号：US20250030900A1

公开(公告)日：2025-01-23

申请号：US18908494

申请日：2024-10-07

Applicant: LG ELECTRONICS INC.

Inventor： Hyejung HUR ,  Sejin OH

IPC: H04N19/96 ,  G06T9/40 ,  H04N19/91

Abstract: A point cloud data processing method according to embodiments may comprise a step of encoding and transmitting point cloud data, wherein said encoding comprises encoding a geometry indicating the positions of one or more points of the point cloud data, the step of encoding a geometry further comprises a step of generating an octree of the geometry, and a step of encoding attributes of the one or more points comprises the steps of: generating Morton codes of the one or more points; and rearranging the one or more points on the basis of the octree to generate one or more levels of detail (LOD). The point cloud data processing method according to embodiments may comprise receiving and decoding point cloud data.

公开(公告)号：US20240357166A1

公开(公告)日：2024-10-24

申请号：US18683430

申请日：2022-08-10

Applicant: LG Electronics Inc.

Inventor： Sooyeon LEE ,  Hyejung HUR

IPC: H04N19/597 ,  G06T17/00 ,  H04N19/119 ,  H04N19/46 ,  H04N19/51

CPC classification number: H04N19/597 ,  G06T17/00 ,  H04N19/119 ,  H04N19/46 ,  H04N19/51

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. In addition, 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.

公开(公告)号：US20240179346A1

公开(公告)日：2024-05-30

申请号：US18549764

申请日：2022-02-03

Applicant: LG Electronics Inc.

Inventor： Hyejung HUR

IPC: H04N19/597 ,  G06T17/00 ,  H04N19/139 ,  H04N19/159

CPC classification number: H04N19/597 ,  G06T17/00 ,  H04N19/139 ,  H04N19/159

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.

公开(公告)号：US20240029311A1

公开(公告)日：2024-01-25

申请号：US18024951

申请日：2021-08-23

Applicant: LG ELECTRONICS INC.

Inventor： Yousun PARK ,  Sejin OH ,  Hyejung HUR

IPC: G06T9/00

CPC classification number: G06T9/001

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. In addition, 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.

公开(公告)号：US20230290006A1

公开(公告)日：2023-09-14

申请号：US18020828

申请日：2021-08-31

Applicant: LG ELECTRONICS INC.

Inventor： Hyejung HUR ,  Sejin OH

IPC: G06T9/00 ,  H04N19/96 ,  H04N19/513 ,  H04N19/573 ,  H04N19/577

CPC classification number: G06T9/00 ,  H04N19/96 ,  H04N19/521 ,  H04N19/573 ,  H04N19/577

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. A point cloud data reception device according to embodiments may comprise: a reception unit for receiving a bitstream including point cloud data; and a decoder for decoding the point cloud data

公开(公告)号：US20230206510A1

公开(公告)日：2023-06-29

申请号：US17927285

申请日：2021-06-07

Applicant: LG ELECTRONICS INC.

Inventor： Hyejung HUR ,  Sejin OH

IPC: G06T9/00 ,  G06T9/40

CPC classification number: G06T9/001 ,  G06T9/40

Abstract: A point cloud data processing method according to embodiments may comprise: encoding point cloud data; and transmitting the point cloud data. A point cloud data processing method according to embodiments may comprise: receiving point cloud data; and decoding the point cloud data.

公开(公告)号：US20220383552A1

公开(公告)日：2022-12-01

申请号：US17640695

申请日：2020-09-07

Applicant: LG Electronics Inc.

Inventor： Hyejung HUR ,  Sejin OH

IPC: G06T9/00 ,  G06T17/00

Abstract: A point cloud data transmission method according to embodiments may comprise the steps of: acquiring point cloud data; encoding geometry information of the point cloud data; encoding attribute information of the point cloud data on the basis of the geometry information; and transmitting a bitstream including the encoded geometry information, the encoded attribute information, and signaling information.

公开(公告)号：US20220366610A1

公开(公告)日：2022-11-17

申请号：US17624086

申请日：2020-06-11

Applicant: LG Electronics Inc.

Inventor： Hyejung HUR ,  Sejin OH

IPC: G06T9/00 ,  G06T9/40

Abstract: In a method for processing point cloud data according to embodiments, point cloud data can be encoded and transmitted to a bitstream. In a method for processing point cloud data according to embodiments, a bitstream comprising point cloud data can be received, and the point cloud data can be decoded.

公开(公告)号：US20220321914A1

公开(公告)日：2022-10-06

申请号：US17842082

申请日：2022-06-16

Applicant: LG Electronics Inc.

Inventor： Hyejung HUR ,  Sejin OH

IPC: H04N19/597

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 reception method including receiving a bitstream containing point cloud data, and decoding the point cloud data.

公开(公告)号：US20220245847A1

公开(公告)日：2022-08-04

申请号：US17722846

申请日：2022-04-18

Applicant: LG ELECTRONICS INC.

Inventor： Hyejung HUR ,  Sejin OH

IPC: G06T7/60 ,  G06T17/00

Abstract: Disclosed herein is a method of transmitting point cloud data. The method may include acquiring point cloud data, encoding geometry information including positions of points of the point cloud data, generating one or more LODs based on the geometry information and selecting one or more neighbor points of each point to be attribute-encoded based on the one or more LODs, wherein the selected one or more neighbor points of each point are located within a maximum neighbor point distance, encoding attribute information of each point based on the selected one or more neighbor points of each point, and transmitting the encoded geometry information, the encoded attribute information, and signaling information.