公开(公告)号：US20220327742A1

公开(公告)日：2022-10-13

申请号：US17623114

申请日：2020-05-28

Applicant: LG Electronics Inc.

Inventor： Hyunmook OH ,  Sejin OH

IPC: G06T9/00 ,  G06T9/40

Abstract: A point cloud data transmission method according to embodiments can comprise the steps of: acquiring the 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：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：US20220217314A1

公开(公告)日：2022-07-07

申请号：US17610614

申请日：2020-03-23

Applicant: LG Electronics Inc.

Inventor： Hyunmook OH ,  Sejin OH ,  Eunseok RYU ,  Jongbeom JEONG ,  Dongmin JANG ,  Soonbin LEE

IPC: H04N13/117 ,  H04N13/178 ,  H04N13/161 ,  H04N13/194 ,  G06T19/00

Abstract: A method for transmitting video, according to embodiments, comprises: a pre-processing step of processing video data; a step of encoding the video data; and/or a step of transmitting a bitstream including the video data. A method for receiving video, according to embodiments, comprises the steps of: receiving video data; decoding the video data; and/or rendering the video data.

公开(公告)号：US20220210251A1

公开(公告)日：2022-06-30

申请号：US17698530

申请日：2022-03-18

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Sejin OH ,  Kyoungsoo MOON

IPC: H04L69/324 ,  H04L65/611 ,  H04L65/65 ,  H04L69/22 ,  H04L69/16

Abstract: A method for transmitting a broadcast signal in a digital transmitter includes generating a link layer packet; wherein the link layer packet includes at least one header and a payload, wherein the at least one header includes a packet type field, and the packet type field represents a type of input data before encapsulation into the link layer packet, wherein in response to the packet type field represents that the input data relates to an Internet Protocol (IP) packet, a first header includes payload configuration information, and the payload configuration information follows the packet type field while at least one field following the payload configuration information changes based on the payload configuration information, wherein a size of a second header included in the link layer packet as well as a field included in the second header are determined based on the payload configuration information, wherein the size of the second header is zero (0) byte, 1 byte or values more than the 1 byte based on the payload configuration information, wherein in response to the packet type field represents that the input data relates to the IP packet and a configuration indicating field included in the first header represents that the payload carries a segment of one input packet, the link layer packet includes a segment sequence number for representing an order of a corresponding segment carried by the link layer packet, wherein in response to the packet type field represents that the input data relates to the IP packet and the configuration indicating field included in the first header represents that the payload carries concatenated input packets, the link layer packet includes count information for representing the number of the concatenated input packets included in the link layer packet; and transmitting the broadcast signal including the link layer packet.

公开(公告)号：US20220174374A1

公开(公告)日：2022-06-02

申请号：US17670231

申请日：2022-02-11

Applicant: LG ELECTRONICS INC.

Inventor： Seungjoo AN ,  Kyoungsoo MOON ,  Jinwon LEE ,  Woosuk KO ,  Sejin OH ,  Donghyun KANG ,  Sungryong HONG

IPC: H04N21/81 ,  H04N21/8358 ,  H04N21/462 ,  H04N21/858 ,  H04N21/41 ,  H04H20/93 ,  H04N21/2389 ,  H04N21/235

Abstract: A method of processing supplementary content in a digital receiving apparatus, includes connecting to an external device being different from a broadcaster; receiving uncompressed audio/video (A/V) content from the external device being different from the broadcaster; extracting audio watermark from the uncompressed A/V content, wherein the audio watermark includes domain type information, time information and event flag; constructing a first uniform resource locator (URL) based on the audio watermark, transmitting a request to a remote server based on the first URL; receiving a second URL for the supplementary content from the remote server, and presenting the supplementary content based on the second URL.

公开(公告)号：US20220159232A1

公开(公告)日：2022-05-19

申请号：US17649923

申请日：2022-02-03

Applicant: LG ELECTRONICS INC.

Inventor： Hyejung HUR ,  Sejin OH ,  Jangwon LEE

IPC: H04N13/183 ,  H04N13/161 ,  H04N13/282 ,  H04N13/133 ,  H04N13/178

Abstract: Provided is a 360-degree image data processing method performed by a 360-degree video reception apparatus. The method includes receiving 360-degree image data, obtaining information on an encoded picture and metadata from the 360-degree image data, decoding a picture based on the information on the encoded picture, rendering the decoded picture and an overlay based on the metadata, in which the metadata includes overlay related metadata, the overlay is rendered based on the overlay related metadata, the overlay related metadata includes information on an alpha plane of the overlay, and the information on the alpha plane of the overlay is included in a image item or a video track.

公开(公告)号：US20220141487A1

公开(公告)日：2022-05-05

申请号：US17435320

申请日：2020-02-21

Applicant: LG ELECTRONICS INC.

Inventor： Sejin OH

IPC: H04N19/597 ,  G06T9/00 ,  H04N21/236 ,  H04N21/81 ,  H04N21/434

Abstract: A point cloud data transmitting method according to embodiments can comprise the steps of encoding point cloud data and transmitting a bitstream including the point cloud data. A point cloud data receiving method according to embodiments can comprise the steps of receiving a bitstream including point cloud data, decoding the point cloud data, and rendering the point cloud data.

公开(公告)号：US20220103913A1

公开(公告)日：2022-03-31

申请号：US17545340

申请日：2021-12-08

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Sejin OH ,  Kyoungsoo MOON

IPC: H04N21/845 ,  H04N21/2381 ,  H04N21/61 ,  H04N21/643

Abstract: Provided is a method for transmitting a broadcast signal. The method includes generating a plurality of input packets including broadcast data, generating at least one link layer packet using the input packets, wherein a header of the link layer packet includes packet type information and packet configuration information, the packet type information indicates a type of an input packet included in a payload of the link layer packet, and the packet configuration information indicates a payload configuration of the link layer packet, generating a broadcast signal using the link layer packet, and transmitting the broadcast signal.

公开(公告)号：US20210344734A1

公开(公告)日：2021-11-04

申请号：US17368431

申请日：2021-07-06

Applicant: LG ELECTRONICS INC.

Inventor： Sejin OH ,  Jangwon LEE ,  Woosuk KO ,  Sungryong HONG ,  Woosuk KWON ,  Kyoungsoo MOON

IPC: H04L29/06 ,  H04N21/236 ,  H04N21/2381 ,  H04N21/242 ,  H04N21/2362 ,  H04N21/2383 ,  H04H20/18 ,  H04H60/82 ,  H04N21/845 ,  H04L29/08 ,  H04N21/6437 ,  H04N21/647 ,  H04N21/854 ,  H04N21/8547

Abstract: A digital receiver for synchronizing multiple components delivered on a broadband network and a broadcast network, the digital receiver including a broadband network interface configured to receive broadband data including at least one audio component for a service via the broadband network, wherein the at least one audio component relates to a Dynamic Adaptive Streaming over HTTP (DASH) segment, wherein the broadband network comprises an internet network; a broadcast network interface configured to receive a broadcast signal including a video component for the service, first timing information, and second timing information via the broadcast network, wherein the broadcast signal further includes a MPD (Media Presentation Description) having a DASH representation containing a segment URL for the DASH segment delivered over the broadband network; and a processor configured to calculate an offset based on a receiver wall clock, and process at least one of the at least one audio component or the video component which is time-aligned based on the calculated offset.

公开(公告)号：US20210314613A1

公开(公告)日：2021-10-07

申请号：US17354278

申请日：2021-06-22

Applicant: LG Electronics Inc.

Inventor： Hyejung HUR ,  Sejin OH

IPC: H04N19/597 ,  H04N19/96 ,  H04N19/167 ,  H04N19/132 ,  H04N19/136

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