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.

公开(公告)号：US20230059625A1

公开(公告)日：2023-02-23

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：US20220353531A1

公开(公告)日：2022-11-03

申请号：US17717409

申请日：2022-04-11

Applicant: LG Electronics Inc.

Inventor： Hyejung HUR

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

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：US20220159232A1

公开(公告)日：2022-05-19

申请号：US17649923

申请日：2022-02-03

Applicant: LG ELECTRONICS INC.

Inventor： Hyejung HUR ,  Sejin OH ,  Jangwon LEE

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

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：US20210314613A1

公开(公告)日：2021-10-07

申请号：US17354278

申请日：2021-06-22

Applicant: LG Electronics Inc.

Inventor： Hyejung HUR ,  Sejin OH

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

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：US20210211721A1

公开(公告)日：2021-07-08

申请号：US16953964

申请日：2020-11-20

Applicant: LG ELECTRONICS INC

Inventor： Yousun PARK ,  Sejin OH ,  Hyejung HUR

IPC: H04N19/597 ,  H04N19/119 ,  H04N19/174 ,  H04N19/46

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：US20210209812A1

公开(公告)日：2021-07-08

申请号：US17143783

申请日：2021-01-07

Applicant: LG Electronics Inc.

Inventor： Jaeshin HAN ,  Hyejung HUR ,  Sejin OH

IPC: G06T9/40 ,  G06T3/40 ,  H04N19/96 ,  H04N19/64 ,  H04N19/46 ,  H04N19/597 ,  H04N19/169

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：US20210014469A1

公开(公告)日：2021-01-14

申请号：US17038880

申请日：2020-09-30

Applicant: LG ELECTRONICS INC.

Inventor： Hyejung HUR ,  Sejin OH ,  Soojin HWANG ,  Jangwon LEE

IPC: 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.