公开(公告)号：US20240155157A1

公开(公告)日：2024-05-09

申请号：US18549099

申请日：2022-03-04

Applicant: LG Electronics Inc.

Inventor： Yousun PARK ,  Hyejung HUR ,  Hyunmook OH ,  Sooyeon LEE

IPC: H04N19/597 ,  G06T9/40 ,  H04N19/124 ,  H04N19/132 ,  H04N19/136 ,  H04N19/184 ,  H04N19/96

CPC classification number: H04N19/597 ,  G06T9/40 ,  H04N19/132 ,  H04N19/136 ,  H04N19/184 ,  H04N19/96 ,  H04N19/124

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

公开(公告)号：US20230334719A1

公开(公告)日：2023-10-19

申请号：US18028642

申请日：2021-10-29

Applicant: LG ELECTRONICS INC.

Inventor： Sooyeon LEE ,  Sejin OH

IPC: G06T9/40

CPC classification number: G06T9/40 ,  G06T2210/56

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 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：US20190158894A1

公开(公告)日：2019-05-23

申请号：US16314534

申请日：2017-06-30

Applicant: LG ELECTRONICS INC.

Inventor： Sooyeon LEE ,  Hyunmook OH ,  Jongyeul SUH

IPC: H04N21/235 ,  H04N21/435 ,  H04N21/236

Abstract: Disclosed is a color volume mapping method. A broadcast signal transmission method according to an embodiment of the present invention may comprise the steps of: encoding video data and metadata for the video data; generating a broadcast signal including the encoded video data and metadata; and transmitting the generated broadcast signal.

公开(公告)号：US20240397093A1

公开(公告)日：2024-11-28

申请号：US18696705

申请日：2022-09-07

Applicant: LG Electronics Inc.

Inventor： Sooyeon LEE ,  Hyejung HUR

IPC: H04N19/597

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 method according to embodiments may comprise the steps of: receiving a bitstream including point cloud data; and decoding the point cloud data.

公开(公告)号：US20230316581A1

公开(公告)日：2023-10-05

申请号：US17924503

申请日：2021-05-28

Applicant: LG ELECTRONICS INC.

Inventor： Sooyeon LEE ,  Sejin OH

IPC: G06T9/00

CPC classification number: G06T9/001

Abstract: A point cloud data transmission method according to an embodiment may comprise the steps of: encoding point cloud data; and transmitting the point cloud data. A point cloud data reception method according to an embodiment may comprise the steps of: receiving point cloud data; and decoding the point cloud data.

公开(公告)号：US20230260163A1

公开(公告)日：2023-08-17

申请号：US18015835

申请日：2021-07-13

Applicant: LG ELECTRONICS INC.

Inventor： Sooyeon LEE ,  Sejin OH ,  Yousun PARK

IPC: G06T9/40 ,  G06T17/00

CPC classification number: G06T9/40 ,  G06T17/00 ,  G06T2210/56

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

公开(公告)号：US20200322586A1

公开(公告)日：2020-10-08

申请号：US16767558

申请日：2018-07-31

Applicant: LG ELECTRONICS INC.

Inventor： Sooyeon LEE ,  Sejin OH

IPC: H04N13/117 ,  H04N13/178 ,  H04N13/268 ,  H04N21/236 ,  H04N21/81 ,  H04N21/858

Abstract: A method for 360 video data processing based on multiple viewpoints performed by a 360 video receiving apparatus according to the present invention comprises the steps of: acquiring, from received video signals, image information for pictures of multiple viewpoints-based 360 videos and metadata for the multiple viewpoints-based 360 videos, wherein the metadata includes multiple viewpoint information; decoding an image of a first viewport of a first viewpoint on the basis of the metadata and the image information; rendering the image of the first viewport into a 3D space; decoding an image of a second viewport of a second viewpoint on the basis of the metadata and the image information; deriving, in a case in which the hotspot in the first viewport is selected, the second viewport in the second viewpoint connected through a hotspot on the basis of the multiple viewpoint information; and rendering the image of the second viewport into the 3D space.