公开(公告)号：US20250008156A1

公开(公告)日：2025-01-02

申请号：US18708842

申请日：2022-10-04

Applicant: LG Electronics Inc.

Inventor： Sooyeon LEE ,  Hyejung HUR

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 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.

公开(公告)号：US20240179347A1

公开(公告)日：2024-05-30

申请号：US18551137

申请日：2022-03-17

Applicant: LG Electronics Inc.

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

IPC: H04N19/597 ,  G06T9/00

CPC classification number: H04N19/597 ,  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. 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：US20240357166A1

公开(公告)日：2024-10-24

申请号：US18683430

申请日：2022-08-10

Applicant: LG Electronics Inc.

Inventor： Sooyeon LEE ,  Hyejung HUR

IPC: H04N19/597 ,  G06T17/00 ,  H04N19/119 ,  H04N19/46 ,  H04N19/51

CPC classification number: H04N19/597 ,  G06T17/00 ,  H04N19/119 ,  H04N19/46 ,  H04N19/51

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：US20230132473A1

公开(公告)日：2023-05-04

申请号：US16650842

申请日：2018-06-08

Applicant: LG ELECTRONICS INC.

Inventor： Sooyeon LEE ,  Sejin OH

IPC: H04N13/351 ,  H04N13/178 ,  G06T9/00 ,  G06V10/10 ,  G06V10/74

Abstract: A 6DoF video data processing method performed by a 6DoF video transmission device according to the present invention comprises the steps of: acquiring information on pictures of a 6DoF video and metadata of the 6DoF video; decoding the pictures on the basis of the metadata and the information of the pictures, and deriving an image of a user position; and processing the image on the basis of the metadata, and performing rendering into a 3D space around the user position, wherein the metadata includes stitching information and information of a camera having captured the 6DoF video.

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：US20240020885A1

公开(公告)日：2024-01-18

申请号：US18036644

申请日：2021-11-23

Applicant: LG ELECTRONICS INC.

Inventor： Sooyeon LEE ,  Hansol CHOI ,  Donggyu SIM ,  Sejin OH

IPC: G06T9/00 ,  G06T7/60 ,  H04N19/597

CPC classification number: G06T9/001 ,  G06T7/60 ,  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. Furthermore, 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. Furthermore, 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 which receives a bitstream including point cloud data; and a decoder which decodes the point cloud data.

公开(公告)号：US20230328270A1

公开(公告)日：2023-10-12

申请号：US18025139

申请日：2021-08-31

Applicant: LG ELECTRONICS INC.

Inventor： Sooyeon LEE ,  Sejin OH

IPC: H04N19/52 ,  H04N19/597 ,  H04N19/119

CPC classification number: H04N19/52 ,  H04N19/597 ,  H04N19/119 ,  H04N19/124

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

公开(公告)号：US20230291895A1

公开(公告)日：2023-09-14

申请号：US18016771

申请日：2021-07-23

Applicant: LG ELECTRONICS INC.

Inventor： Sooyeon LEE ,  Sejin OH ,  Donggyu SIM ,  Joohyung BYEON ,  Hansol CHOI

IPC: H04N19/107 ,  H04N19/136 ,  H04N19/105 ,  H04N19/423 ,  H04N19/13 ,  H04N19/167 ,  H04N19/597

CPC classification number: H04N19/107 ,  H04N19/136 ,  H04N19/105 ,  H04N19/423 ,  H04N19/13 ,  H04N19/167 ,  H04N19/597

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 by applying inter-prediction or intra-prediction; encoding attribute information including attribute values of the points of the point cloud data on the basis of the geometry information by applying the inter-prediction or intra-prediction; and transmitting the encoded geometry information, the encoded attribute information, and signaling information.

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.