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.

公开(公告)号：US20250133235A1

公开(公告)日：2025-04-24

申请号：US18832182

申请日：2022-12-22

Applicant: LG ELECTRONICS INC.

Inventor： Sooyeon LEE

IPC: H04N19/597 ,  G06V10/25 ,  G06V10/764 ,  H04N19/139 ,  H04N19/159 ,  H04N19/513 ,  H04N19/70

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：US20240422354A1

公开(公告)日：2024-12-19

申请号：US18703066

申请日：2022-10-20

Applicant: LG Electronics Inc.

Inventor： Sooyeon LEE

IPC: H04N19/597 ,  H04N19/119 ,  H04N19/51

Abstract: A point cloud data transmission method according to embodiments comprises the steps of encoding point cloud data, and transmitting the encoded point cloud data and signaling information, wherein the step of encoding the point cloud data can comprise the steps of: dividing the points of the point cloud data into a plurality of sub-groups; setting the number of points to be sampled for each divided sub-group; and compressing the point cloud data by sampling each sub-group on the basis of the number of points to be sampled for each sub-group.

公开(公告)号：US20240185467A1

公开(公告)日：2024-06-06

申请号：US18287839

申请日：2022-04-20

Applicant: LG ELECTRONICS INC.

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

IPC: G06T9/00

CPC classification number: G06T9/001

Abstract: A point cloud data transmission method according to embodiments comprises the steps of: encoding geometry data including positions of points of point cloud data; encoding, on the basis of the geometry data, attribute data including attribute values of the points of 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 the correlation between frames and the distribution of the points.

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.