公开(公告)号：US20220321914A1

公开(公告)日：2022-10-06

申请号：US17842082

申请日：2022-06-16

Applicant: LG Electronics Inc.

Inventor： Hyejung HUR ,  Sejin OH

IPC: H04N19/597

Abstract: Disclosed herein are a point cloud data transmission method including encoding point cloud data, and transmitting a bitstream containing the point cloud data, and a point cloud data reception method including receiving a bitstream containing point cloud data, and decoding the point cloud data.

公开(公告)号：US20220295122A1

公开(公告)日：2022-09-15

申请号：US17830305

申请日：2022-06-01

Applicant: LG Electronics Inc.

Inventor： Sejin OH ,  Woosuk KO ,  Sungryong HONG

IPC: H04N21/2362 ,  H04N21/236 ,  H04N7/08 ,  H04N21/8352 ,  H04N21/858 ,  H04L12/18 ,  H04L61/5007 ,  H04L69/16 ,  H04L69/323 ,  H04L69/324 ,  H04L69/326

Abstract: The present invention proposes a method for transmitting a broadcast signal. The method for transmitting a broadcast signal according to the present invention proposes a system which may support a next generation broadcast service, in an environment supporting next generation hybrid broadcast that uses a terrestrial broadcast network and an internet network. Further, the present invention proposes an efficient signaling method which can cover both the terrestrial broadcast network and the internet network, in an environment supporting next generation hybrid broadcast.

公开(公告)号：US20220286713A1

公开(公告)日：2022-09-08

申请号：US17605972

申请日：2020-03-20

Applicant: LG ELECTRONICS INC.

Inventor： Hyunmook OH ,  Sejin OH

IPC: H04N19/96 ,  H04N19/124 ,  H04N19/593 ,  H04N19/597 ,  H04N19/91

Abstract: A point cloud data transmission method according to embodiments can comprise the steps of: acquiring point cloud data; encoding geometry information included in the point cloud data; encoding attribute information included in the point cloud data; and transmitting the encoded geometry information and the encoded attribute information.

公开(公告)号：US20220245847A1

公开(公告)日：2022-08-04

申请号：US17722846

申请日：2022-04-18

Applicant: LG ELECTRONICS INC.

Inventor： Hyejung HUR ,  Sejin OH

IPC: G06T7/60 ,  G06T17/00

Abstract: Disclosed herein is a method of transmitting point cloud data. The method may include acquiring point cloud data, encoding geometry information including positions of points of the point cloud data, generating one or more LODs based on the geometry information and selecting one or more neighbor points of each point to be attribute-encoded based on the one or more LODs, wherein the selected one or more neighbor points of each point are located within a maximum neighbor point distance, encoding attribute information of each point based on the selected one or more neighbor points of each point, and transmitting the encoded geometry information, the encoded attribute information, and signaling information.

公开(公告)号：US20220230360A1

公开(公告)日：2022-07-21

申请号：US17570045

申请日：2022-01-06

Applicant: LG Electronics Inc.

Inventor： Hyunmook OH ,  Sejin OH

IPC: G06T9/00 ,  H04N19/17 ,  H04N19/167 ,  H04N19/119

Abstract: Disclosed herein is a method of transmitting point cloud data, including encoding point cloud data, and transmitting a bitstream including the point cloud data. Disclosed herein a method of receiving point cloud data, including receiving a bitstream including point cloud data, and decoding the point cloud data.

公开(公告)号：US20210409767A1

公开(公告)日：2021-12-30

申请号：US17353544

申请日：2021-06-21

Applicant: LG Electronics Inc.

Inventor： Sejin OH

IPC: H04N19/597 ,  H04N19/70 ,  H04N19/119

Abstract: Disclosed herein are a point cloud data transmission method. The point cloud data transmission method may include encoding point cloud data, encapsulating a bitstream that includes the encoded point cloud data into a file, and transmitting the file, the bitstream is included in multiple tracks of the file, the file further includes signaling data, and the signaling data includes at least one parameter set and alternative group related information.

公开(公告)号：US20210398323A1

公开(公告)日：2021-12-23

申请号：US17355750

申请日：2021-06-23

Applicant: LG Electronics Inc.

Inventor： Jinwon LEE ,  Sejin OH

IPC: G06T9/00 ,  H04L29/08

Abstract: Disclosed herein are a point cloud data transmission method including encoding point cloud data, and transmitting point cloud data, and a point cloud data reception method including receiving point cloud data, decoding the point cloud data, and rendering the point cloud data.

公开(公告)号：US20210360329A1

公开(公告)日：2021-11-18

申请号：US17332639

申请日：2021-05-27

Applicant: LG ELECTRONICS INC.

Inventor： Sejin OH ,  Woosuk KO ,  Sungryong HONG ,  Kyoungsoo MOON

IPC: H04N21/6437 ,  H04N21/2381 ,  H04N21/61 ,  H04L29/06 ,  H04L1/00 ,  H04N21/43 ,  H04N21/8547

Abstract: A digital broadcast receiver for receiving a broadcast signal includes a tuner configured to receive the broadcast signal carrying a transport packet for real-time delivery, wherein the transport packet for real-time delivery consists of at least one packet payload and at least one packet header, and a processor configured to extract the at least one packet header, wherein a first extension header is included in the at least one packet header, the first extension header includes timestamp information having a 64-bit format depending on a specific value also included in the first extension header, a second extension header is included in the at least one packet header, and the second extension header includes first information for SCT (sender current time) of a broadcast sender and second information for ERT (expected residual time).

公开(公告)号：US20210329216A1

公开(公告)日：2021-10-21

申请号：US17268338

申请日：2019-08-12

Applicant: LG Electronics Inc.

Inventor： Hyunmook OH ,  Sejin OH

IPC: H04N13/194 ,  H04N13/161 ,  H04N13/178 ,  H04N13/156 ,  H04N13/111 ,  H04N13/122

Abstract: An apparatus for receiving a video according to embodiments of the present invention comprises a decoder configured to decode bitstream based on viewing position and viewport information; an unpacker configured to unpack pictures in the decoded bitstream; a view regenerator configured to perform view regenerating the unpacked pictures; and a view synthesizer configured to perform view synthesis on the view regenerated pictures. A method of transmitting a video, the method comprising inter-view redundancy removing pictures for multiple viewing positions; packing the inter-view redundancy removed pictures; and encoding the packed pictures and signaling information.

公开(公告)号：US20210329052A1

公开(公告)日：2021-10-21

申请号：US17229341

申请日：2021-04-13

Applicant: LG Electronics Inc.

Inventor： Sejin OH

IPC: H04L29/06 ,  G06T9/00 ,  G06T17/20

Abstract: Disclosed herein is a point cloud data transmission method including encoding point cloud data, encapsulating the point cloud data, and transmitting point cloud data. Disclosed herein is a point cloud data reception method including receiving point cloud data, decapsulating the point cloud data, and decoding the point cloud data.