公开(公告)号：US20240029311A1

公开(公告)日：2024-01-25

申请号：US18024951

申请日：2021-08-23

Applicant: LG ELECTRONICS INC.

Inventor： Yousun PARK ,  Sejin OH ,  Hyejung HUR

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 for encoding point cloud data; and a transmitter for transmitting a bitstream including the point cloud data.

公开(公告)号：US20240414372A1

公开(公告)日：2024-12-12

申请号：US18698940

申请日：2022-10-06

Applicant: LG ELECTRONICS INC.

Inventor： Sooyeon LEE ,  Hyejung HUR ,  Yousun PARK

IPC: H04N19/597 ,  H04N19/105 ,  H04N19/172

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 for encoding point cloud data; and a transmitter for transmitting a bitstream including the point cloud data

公开(公告)号：US20220321912A1

公开(公告)日：2022-10-06

申请号：US17634130

申请日：2020-03-26

Applicant: LG Electronics Inc.

Inventor： Yousun PARK ,  Sejin OH

IPC: H04N19/597 ,  H04N19/167 ,  H04N19/119 ,  H04N19/169 ,  G06T9/40

Abstract: A point cloud data transmission device according to embodiments may comprise: an acquisition unit for acquiring point cloud data; an encoder for encoding the acquired point cloud data; and a transmitter for transmitting a bitstream including the encoded point cloud data. A point cloud data reception device according to embodiments may comprise: a receiver for receiving a bitstream including point cloud data; a decoder for decoding the point cloud data; and a renderer for rendering 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：US20240242390A1

公开(公告)日：2024-07-18

申请号：US18560287

申请日：2022-05-10

Applicant: LG Electronics Inc.

Inventor： Yousun PARK ,  Hyejung HUR

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 according to embodiments 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 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：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：US20230394712A1

公开(公告)日：2023-12-07

申请号：US18018962

申请日：2021-07-26

Applicant: LG ELECTRONICS INC.

Inventor： Yousun PARK ,  Sejin OH

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. In addition, a point cloud data transmission device, according to embodiments, may comprise: an encoder for encoding point cloud data; and a transmitter for transmitting a bitstream including the point cloud data. The encoder may comprise: a prediction tree generation unit for forming a location prediction tree for geometric data; a geometry reconstruction unit for aligning the geometric data of the point cloud data; and a prediction tree generation/transformation processing unit for generating an attribute prediction tree on the basis of the aligned data.

公开(公告)号：US20240121435A1

公开(公告)日：2024-04-11

申请号：US18264661

申请日：2022-01-26

Applicant: LG Electronics Inc.

Inventor： Yousun PARK ,  Hyejung HUR

IPC: H04N19/597 ,  H04N19/174 ,  H04N19/70 ,  H04N19/86

CPC classification number: H04N19/597 ,  H04N19/174 ,  H04N19/70 ,  H04N19/86

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：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.