公开(公告)号：US12184895B2

公开(公告)日：2024-12-31

申请号：US17717409

申请日：2022-04-11

Applicant: LG Electronics Inc.

Inventor： Hyejung Hur

IPC: H04N19/597 ,  H04N19/136 ,  H04N19/169 ,  H04N19/70 ,  H04N19/96

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

公开(公告)号：US11902348B2

公开(公告)日：2024-02-13

申请号：US17354606

申请日：2021-06-22

Applicant: LG Electronics Inc.

Inventor： Hyejung Hur ,  Sejin Oh

IPC: G06F15/16 ,  H04L65/70 ,  G06T9/40 ,  G06T9/00 ,  H04L67/10 ,  H04L65/75

CPC classification number: H04L65/70 ,  G06T9/001 ,  G06T9/40 ,  H04L65/75 ,  H04L67/10

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

公开(公告)号：US11882303B2

公开(公告)日：2024-01-23

申请号：US17435646

申请日：2020-03-13

Applicant: LG ELECTRONICS INC.

Inventor： Hyejung Hur ,  Sejin Oh

IPC: H04N19/46 ,  H04N19/119 ,  H04N19/597 ,  H04N19/96

CPC classification number: H04N19/46 ,  H04N19/119 ,  H04N19/597 ,  H04N19/96

Abstract: A method for transmitting point cloud data according to embodiments may encode and transmit point cloud data. A method for receiving point cloud data according to embodiments may receive and decode point cloud data.

公开(公告)号：US11601675B2

公开(公告)日：2023-03-07

申请号：US16953964

申请日：2020-11-20

Applicant: LG ELECTRONICS INC

Inventor： Yousun Park ,  Sejin Oh ,  Hyejung Hur

IPC: H04N19/597 ,  H04N19/46 ,  H04N19/174 ,  H04N19/119 ,  G06T9/40 ,  G06T17/00

Abstract: Disclosed herein is a method for transmitting point cloud data, including encoding point cloud data, and/or transmitting a bitstream containing the point cloud data and signaling information about the point cloud data. Disclosed herein is a method for receiving point cloud data, including receiving a bitstream containing point cloud data, and/or decoding the point cloud data in the bitstream.

公开(公告)号：US11601488B2

公开(公告)日：2023-03-07

申请号：US17225559

申请日：2021-04-08

Applicant: LG Electronics Inc.

Inventor： Hyejung Hur ,  Sejin Oh

IPC: H04L29/06 ,  H04L65/70 ,  G06T9/40 ,  G06T9/00 ,  H04L65/75

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

公开(公告)号：US11277599B2

公开(公告)日：2022-03-15

申请号：US16556156

申请日：2019-08-29

Applicant: LG ELECTRONICS INC.

Inventor： Hyejung Hur ,  Sejin Oh ,  Jangwon Lee

IPC: H04N13/183 ,  H04N13/161 ,  H04N13/178 ,  H04N13/133 ,  H04N13/282

Abstract: Provided is a 360-degree image data processing method performed by a 360-degree video reception apparatus. The method includes receiving 360-degree image data, obtaining information on an encoded picture and metadata from the 360-degree image data, decoding a picture based on the information on the encoded picture, rendering the decoded picture and an overlay based on the metadata, in which the metadata includes overlay related metadata, the overlay is rendered based on the overlay related metadata, the overlay related metadata includes information on an alpha plane of the overlay, and the information on the alpha plane of the overlay is included in a image item or a video track.

公开(公告)号：US12250414B2

公开(公告)日：2025-03-11

申请号：US18008310

申请日：2021-06-07

Applicant: LG ELECTRONICS INC.

Inventor： Hyejung Hur ,  Sejin Oh

IPC: H04N19/96 ,  H04N19/174 ,  H04N19/597 ,  H04N19/70

Abstract: A point cloud data processing method according to embodiments can encode and transmit point cloud data. A point cloud data processing method according to embodiments can receive and decode point cloud data.

公开(公告)号：US12149751B2

公开(公告)日：2024-11-19

申请号：US17793140

申请日：2020-12-15

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：US11830212B2

公开(公告)日：2023-11-28

申请号：US17722846

申请日：2022-04-18

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：US11575869B2

公开(公告)日：2023-02-07

申请号：US17038880

申请日：2020-09-30

Applicant: LG ELECTRONICS INC.

Inventor： Hyejung Hur ,  Sejin Oh ,  Soojin Hwang ,  Jangwon Lee

IPC: H04N19/162 ,  H04N19/169 ,  H04N19/187 ,  H04N19/33 ,  H04N19/62 ,  H04N13/178 ,  H04N13/161 ,  H04N5/278

Abstract: A 360 image data processing method performed by a 360 video receiving device, according to the present invention, comprises the steps of: receiving 360 image data; acquiring information and metadata on an encoded picture from the 360 image data; decoding the picture on the basis of the information on the encoded picture; and rendering the decoded picture and an overlay on the basis of the metadata, wherein the metadata includes overlay-related metadata, the overlay is rendered on the basis of the overlay-related metadata, and the overlay-related metadata includes information on a region of the overlay.