公开(公告)号：US20210319581A1

公开(公告)日：2021-10-14

申请号：US17157198

申请日：2021-01-25

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.

公开(公告)号：US20210211722A1

公开(公告)日：2021-07-08

申请号：US17104694

申请日：2020-11-25

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：US20210209813A1

公开(公告)日：2021-07-08

申请号：US17143793

申请日：2021-01-07

Applicant: LG Electronics Inc.

Inventor： Hyejung HUR ,  Sejin OH

IPC: G06T9/40

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 levels of detail (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, 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.

公开(公告)号：US20240422355A1

公开(公告)日：2024-12-19

申请号：US18704260

申请日：2022-10-26

Applicant: LG Electronics Inc.

Inventor： Hyejung HUR

IPC: H04N19/597 ,  H04N19/159 ,  H04N19/51 ,  H04N19/96

Abstract: A point cloud data transmission method according to embodiments may comprise the steps of: encoding point cloud data; and transmitting a bitstream comprising the point cloud data. A point cloud data reception method according to embodiments may comprise the steps of: receiving a bitstream comprising point cloud data; and decoding the point cloud data.

公开(公告)号：US20240414372A1

公开(公告)日：2024-12-12

申请号：US18698940

申请日：2022-10-06

Applicant: LG ELECTRONICS INC.

Inventor： Sooyeon LEE ,  Hyejung HUR ,  Yousun PARK

IPC: H04N19/597 ,  H04N19/105 ,  H04N19/172

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：US20240196012A1

公开(公告)日：2024-06-13

申请号：US18286922

申请日：2022-04-15

Applicant: LG ELECTRONICS INC.

Inventor： Hyunmook OH ,  Hyejung HUR

IPC: H04N19/597 ,  H04N19/105 ,  H04N19/13 ,  H04N19/139 ,  H04N19/70 ,  H04N19/96

CPC classification number: H04N19/597 ,  H04N19/105 ,  H04N19/13 ,  H04N19/139 ,  H04N19/70 ,  H04N19/96

Abstract: A point cloud data transmission method according to embodiments comprises the steps of: encoding geometry data from among point cloud data; encoding, on the basis of the geometry data, attribute data from among the point cloud data; and transmitting the encoded geometry data, the encoded attribute data, and signaling information, wherein, in the step of encoding the geometry data, the geometry data can be compressed on the basis of an octree and the correlation between frames.

公开(公告)号：US20240163426A1

公开(公告)日：2024-05-16

申请号：US18549107

申请日：2022-03-07

Applicant: LG Electronics Inc.

Inventor： Hyunmook OH ,  Hyejung HUR

IPC: H04N19/107 ,  G06T9/40 ,  H04N19/13 ,  H04N19/159 ,  H04N19/172 ,  H04N19/52

CPC classification number: H04N19/107 ,  H04N19/13 ,  H04N19/159 ,  H04N19/172 ,  H04N19/52 ,  G06T9/40

Abstract: A point cloud data transmission method according to embodiments may comprise the steps of: encoding point cloud data into geometry 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 information.

公开(公告)号：US20240121436A1

公开(公告)日：2024-04-11

申请号：US18529451

申请日：2023-12-05

Applicant: LG Electronics Inc.

Inventor： Hyejung HUR ,  Sejin OH

IPC: H04N19/597 ,  H04N19/132 ,  H04N19/136 ,  H04N19/167 ,  H04N19/96

CPC classification number: H04N19/597 ,  H04N19/132 ,  H04N19/136 ,  H04N19/167 ,  H04N19/96 ,  H04N19/90

Abstract: Disclosed herein is a method for receiving point cloud data, including receiving a bitstream containing the point cloud data, and decoding the point cloud data. Disclosed herein is a method for transmitting point cloud data, including encoding the point cloud data, and transmitting a bitstream containing the point cloud data.

公开(公告)号：US20240070890A1

公开(公告)日：2024-02-29

申请号：US18498755

申请日：2023-10-31

Applicant: LG Electronics Inc.

Inventor： Hyejung HUR ,  Sejin OH

IPC: G06T7/60 ,  G06T17/00

CPC classification number: G06T7/60 ,  G06T17/00 ,  G06T2207/10028

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.

公开(公告)号：US20240062428A1

公开(公告)日：2024-02-22

申请号：US18549095

申请日：2022-03-03

Applicant: LG Electronics Inc.

Inventor： Hyunmook OH ,  Hyejung HUR

IPC: G06T9/00 ,  G06T9/40

CPC classification number: G06T9/001 ,  G06T9/40

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. Also, a point cloud data transmission device according to embodiments may comprise: an encoder that encodes point cloud data; and a transmitter that transmits a bitstream including the point cloud data. In addition, 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. Furthermore, a point cloud data reception device according to embodiments may comprise: a receiver that receives a bitstream including point cloud data; and a decoder that decodes the point cloud data.