公开(公告)号：US20250133233A1

公开(公告)日：2025-04-24

申请号：US18689320

申请日：2022-10-11

Applicant: LG Electronics Inc.

Inventor： Hyunmook OH

IPC: H04N19/597 ,  H04N19/30 ,  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 including the point cloud data. In addition, a point cloud data transmission device according to embodiments may comprise: an encoder which encodes point cloud data; and a transmitter which transmits a bitstream including the point cloud data.

公开(公告)号：US20250095211A1

公开(公告)日：2025-03-20

申请号：US18727198

申请日：2023-01-12

Applicant: LG Electronics Inc.

Inventor： Hyunmook OH

IPC: G06T9/00 ,  G06V10/25

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 which encodes point cloud data; and a transmitter which transmits a bitstream including the point cloud data.

公开(公告)号：US20250016372A1

公开(公告)日：2025-01-09

申请号：US18705385

申请日：2022-10-27

Applicant: LG Electronics Inc.

Inventor： Hyunmook OH

IPC: H04N19/597 ,  H04N19/96

Abstract: A point cloud data transmission method according to embodiments may comprise the steps of: encoding geometry data in point cloud data; encoding attribute data in 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：US20240364924A1

公开(公告)日：2024-10-31

申请号：US18579774

申请日：2022-07-18

Applicant: LG Electronics Inc.

Inventor： Hyunmook OH

IPC: H04N19/597 ,  G06T17/00 ,  H04N19/139 ,  H04N19/159 ,  H04N19/513

CPC classification number: H04N19/597 ,  G06T17/00 ,  H04N19/139 ,  H04N19/159 ,  H04N19/513

Abstract: A point cloud data transmission method according to embodiments may comprise the steps of: encoding point cloud data; and transmitting signaling information and the encoded point cloud data, wherein the encoding of the point cloud data may include the steps of: dividing a tree structure including the point cloud data into one or more layer groups; acquiring motion vectors of each of the layer groups by performing motion estimation for each of the layer groups; and compressing the point cloud data by performing inter-prediction on the basis of the motion vectors of each of the layer groups.

公开(公告)号：US20240137578A1

公开(公告)日：2024-04-25

申请号：US18398895

申请日：2023-12-28

Applicant: LG Electronics Inc.

Inventor： Hyunmook OH ,  Sejin OH

IPC: H04N19/96 ,  H04N19/119 ,  H04N19/174 ,  H04N19/30 ,  H04N19/46

CPC classification number: H04N19/96 ,  H04N19/119 ,  H04N19/174 ,  H04N19/30 ,  H04N19/46

Abstract: A point cloud data transmission method according to embodiments comprises the steps of: encoding point cloud data including geometry data and attribute data; and transmitting a bitstream including the point cloud data. A point cloud data reception method according to embodiments comprises the steps of: receiving a bitstream including point cloud data including geometry data and attribute data; and decoding the point cloud data.

公开(公告)号：US20240029312A1

公开(公告)日：2024-01-25

申请号：US18039852

申请日：2021-11-29

Applicant: LG ELECTRONICS INC.

Inventor： Hyunmook OH ,  Hansol CHOI ,  Donggyu SIM ,  Sejin OH

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 which encodes point cloud data; and a transmitter which transmits a bitstream including the point cloud data. In addition, a point cloud data reception method may comprise the steps of: receiving a bitstream including point cloud data; and decoding the point cloud data. In addition, a point cloud data reception device may comprise: a reception unit which receives a bitstream including point cloud data; and a decoder which decodes the point cloud data.

公开(公告)号：US20230388557A1

公开(公告)日：2023-11-30

申请号：US18030722

申请日：2021-10-07

Applicant: LG ELECTRONICS INC.

Inventor： Hyunmook OH ,  Sejin OH

IPC: H04N19/96 ,  H04N19/70

CPC classification number: H04N19/96 ,  H04N19/70

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 data, wherein the step of encoding the geometry data comprises a step of converting coordinates of the geometry data from a first coordinate system to a second coordinate system.

公开(公告)号：US20230316584A1

公开(公告)日：2023-10-05

申请号：US18017760

申请日：2021-08-12

Applicant: LG ELECTRONICS INC.

Inventor： Hyunmook OH ,  Sejin OH

IPC: G06T9/00 ,  G06T17/00 ,  H04N19/96 ,  G06V10/74

CPC classification number: G06T9/001 ,  G06V10/761 ,  H04N19/96 ,  G06T17/00

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 receiver which receives a bitstream including point cloud data; and a decoder which decodes the point cloud data.

公开(公告)号：US20230239501A1

公开(公告)日：2023-07-27

申请号：US18008007

申请日：2021-06-07

Applicant: LG ELECTRONICS INC.

Inventor： Hyunmook OH ,  Sejin OH

IPC: H04N19/597 ,  H04N19/119 ,  G06T17/00 ,  H04N19/136 ,  H04N19/96

CPC classification number: H04N19/597 ,  G06T17/00 ,  H04N19/96 ,  H04N19/119 ,  H04N19/136 ,  G06T2210/56

Abstract: A point cloud data transmission method according to embodiments comprises the steps of: encoding point cloud data; and transmitting signaling data and the encoded point cloud data, wherein the step for encoding may comprise the steps of: dividing the point cloud data into a plurality of compression units; sorting, for each compression unit, the point cloud data in each compression unit; generating a prediction tree on the basis of the sorted point cloud data in the compression units; and compressing the point cloud data in the compression units by predicting on the basis of the prediction tree.

公开(公告)号：US20230171431A1

公开(公告)日：2023-06-01

申请号：US17909598

申请日：2021-01-20

Applicant: LG ELECTRONICS INC.

Inventor： Hyunmook OH ,  Sejin OH

IPC: H04N19/70 ,  H04N19/96 ,  H04N19/50 ,  H04N19/30 ,  H04N19/119

CPC classification number: H04N19/70 ,  H04N19/96 ,  H04N19/50 ,  H04N19/30 ,  H04N19/119

Abstract: A method for transmitting point cloud data according to embodiments may comprise the steps of: encoding the point cloud data; and/or transmitting a bitstream including the point cloud data and signaling information. A method for receiving point cloud data according to embodiments may comprise the steps of: receiving a bitstream including the point cloud data and signaling information; decoding the point cloud data; and/or rendering the point cloud data.