公开(公告)号：US20240029313A1

公开(公告)日：2024-01-25

申请号：US18039915

申请日：2021-12-06

Applicant: LG ELECTRONICS INC.

Inventor： Hyejung HUR ,  Sejin OH ,  Donggyu SIM ,  Joohyung BYEON

IPC: G06T9/00 ,  H04N19/597 ,  H04N19/91 ,  H04N19/93 ,  H04N19/96

CPC classification number: G06T9/001 ,  H04N19/597 ,  H04N19/91 ,  H04N19/93 ,  H04N19/96

Abstract: A point cloud data transmission method according to embodiments comprises the steps of: encoding geometry data of point cloud 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.

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：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：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.

公开(公告)号：US20230154052A1

公开(公告)日：2023-05-18

申请号：US17919943

申请日：2021-04-21

Applicant: LG ELECTRONICS INC.

Inventor： Hyunmook OH ,  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 the point cloud data. The present invention, according to embodiments, may comprise the steps of: receiving point cloud data; and decoding the point cloud data.

公开(公告)号：US20220383553A1

公开(公告)日：2022-12-01

申请号：US17772415

申请日：2020-08-24

Applicant: LG Electronics Inc.

Inventor： Yousun PARK ,  Sejin OH ,  Hyejung HUR

IPC: G06T9/00 ,  G06F7/24

Abstract: A point cloud data transmission method according to embodiments may comprise the steps of: encoding point cloud data; and transmitting a bitstream comprising 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.