公开(公告)号：US11115641B2

公开(公告)日：2021-09-07

申请号：US16877248

申请日：2020-05-18

Applicant: LG ELECTRONICS INC.

Inventor： Jangwon Lee ,  Sejin Oh ,  Jongyeul Suh

IPC: H04N13/194 ,  G06T9/00 ,  H04N13/178 ,  H04N13/106 ,  G06T3/00 ,  H04N21/236 ,  G06T15/04 ,  G06T15/20

Abstract: A method of transmitting omnidirectional video is provided according to one aspect of the present invention. The method of transmitting omnidirectional video according to an embodiment of the present invention includes: acquiring an image for the omnidirectional video; projecting the image for the omnidirectional video onto a 3D projection structure; packing the image projected on the 3D projection structure into a 2D frame; encoding the image packed into the 2D frame; and transmitting a data signal including the encoded image and metadata about the omnidirectional video.

公开(公告)号：US11109013B2

公开(公告)日：2021-08-31

申请号：US16921722

申请日：2020-07-06

Applicant: LG ELECTRONICS INC.

Inventor： Soojin Hwang ,  Sejin Oh ,  Tung Chin Lee

IPC: H04N7/18 ,  H04N13/183 ,  H04N21/845 ,  H04N21/488 ,  H04N19/70 ,  H04N13/156 ,  H04N13/161 ,  H04N13/194 ,  H04N13/178 ,  H04N13/128 ,  H04N19/88 ,  H04N21/81

Abstract: The present invention suggests a method of providing subtitles for a 360 content, the method comprising: generating 360 video data captured by at least one camera; stitching the 360 video data; projecting the 360 video data to a 2D image; encoding the 2D image into a video stream; generating a 360 subtitle Supplemental Enhancement Information (SEI) message for signaling a subtitle for the 360 content; inserting the 360 subtitle SEI message into the video stream; and generating a broadcast signal including the video stream, and transmitting the broadcast signal.

公开(公告)号：US11057684B2

公开(公告)日：2021-07-06

申请号：US16866128

申请日：2020-05-04

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, wherein the transport packet consists of at least one packet payload and at least one packet header; a frequency deinterleaver configured to frequency deinterleave symbols of a signal frame in the broadcast signal based on addresses generated by checking a range of a deinterleaving sequence that is generated based on a main sequence and a symbol offset, wherein the signal frame includes a first symbol for signaling data and a second symbol for service data; 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, further the first extension header includes timestamp information having a 64-bit format depending on a specific value also included in the first extension header.

公开(公告)号：US11057645B2

公开(公告)日：2021-07-06

申请号：US16998153

申请日：2020-08-20

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.

公开(公告)号：US11012657B2

公开(公告)日：2021-05-18

申请号：US16436352

申请日：2019-06-10

Applicant: LG ELECTRONICS INC.

Inventor： Hyejung Hur ,  Sejin Oh ,  Jangwon Lee

IPC: H04N5/445 ,  H04N5/232 ,  G06F16/58 ,  G06F16/583

Abstract: A 360-degree image data processing method performed by a 360-degree video reception apparatus, the method including: 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, and rendering the decoded picture and an overlay based on the metadata, wherein the metadata includes overlay related metadata, wherein the overlay is rendered based on the overlay related metadata, and wherein the overlay related metadata include packing information of the overlay.

公开(公告)号：US11006158B2

公开(公告)日：2021-05-11

申请号：US16303398

申请日：2017-05-18

Applicant: LG Electronics Inc.

Inventor： Sejin Oh ,  Jongyeul Suh ,  Jangwon Lee

IPC: H04N21/2362 ,  H04N21/434 ,  H04N21/84 ,  H04N21/854

Abstract: According to one embodiment of the present invention, a broadcast signal transmission device comprises: one or more source modules for outputting a timed media data stream and a timed metadata stream for the timed media data stream, wherein the timed metadata stream includes a position metadata stream having position information of the one or more source modules, or an orientation metadata stream having orientation information of the one or more source modules; and a transmission interface for transmitting a data signal, wherein the timed media data stream and the timed metadata stream are respectively formatted into a file format based on an ISO BMFF in sample units, and the transmission interface can transmit, through a transmission network, a data signal including an ISO BMFF file, which includes the timed media data stream and the timed metadata stream.

公开(公告)号：US10986457B2

公开(公告)日：2021-04-20

申请号：US16628973

申请日：2017-11-14

Applicant: LG ELECTRONICS INC.

Inventor： Tung Chin Lee ,  Sejin Oh

IPC: H04S7/00 ,  G10L19/008 ,  H04N21/434 ,  H04N21/439 ,  H04S1/00

Abstract: Disclosed are method and device for outputting audio linked with a video screen zoom. The method of the present invention comprises the steps of: receiving an audio signal linked with a video and generating a decoded audio signal and object metadata; linking with an execution of a video screen zoom so as to change respective object gain values for objects which are present in a zoom area; and rendering the decoded audio signal by using the changed object gain values. In addition, the method for outputting audio, of the present invention, further comprises a step for changing a channel signal-specific gain value which is linked with the video screen zoom. An audio can be linked, through the method and device for outputting audio, according to an embodiment of the present invention, in accordance with the video screen zoom such that the audio which is more realistic can be provided.

公开(公告)号：US10985852B2

公开(公告)日：2021-04-20

申请号：US16940165

申请日：2020-07-27

Applicant: LG ELECTRONICS INC.

Inventor： Sejin Oh ,  Woosuk Ko ,  Sungryong Hong ,  Minsung Kwak ,  Woosuk Kwon ,  Jangwon Lee

IPC: H04H20/95 ,  H04N21/2383 ,  H04N21/236 ,  H04N21/438 ,  H04N21/434 ,  H04H60/73 ,  H04L29/06

Abstract: A broadcast signal transmission method includes encoding service data of a service and service layer signaling information that are delivered over a Real-Time Object Delivery over Unidirectional Transport (ROUTE) session, wherein the service layer signaling information includes Layered Coding Transport (LCT) channel information and Media Presentation Description (MPD) information for the service; encoding signaling information for one or more services including the service, wherein the signaling information includes one or more service element entries corresponding to the one or more services, wherein a service element entry corresponding to the service includes service information related to the service, and wherein the service information includes service identification information for identifying the service, first version information for indicating a change of the service information, channel information of the service and address information of the ROUTE session; and transmitting the encoded service data, the encoded service layer signaling information and the encoded signaling information.

公开(公告)号：US20210105504A1

公开(公告)日：2021-04-08

申请号：US16998153

申请日：2020-08-20

Applicant: LG Electronics Inc.

Inventor： Hyejung Hur ,  Sejin Oh

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

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.

公开(公告)号：US10911800B2

公开(公告)日：2021-02-02

申请号：US15107187

申请日：2015-01-13

Applicant: LG ELECTRONICS INC.

Inventor： Jangwon Lee ,  Sejin Oh ,  Kyoungsoo Moon ,  Woosuk Ko ,  Sungryong Hong

IPC: H04N21/238 ,  H04N21/43 ,  H04N21/462 ,  H04N21/61 ,  H04N21/8547 ,  H04N21/63

Abstract: The present invention relates to an apparatus for supporting hybrid broadcasting in a digital broadcasting system. The present invention provides an apparatus for receiving a broadcast content via one or more networks. The apparatus comprises a broadcast network interface for receiving a broadcast stream including a first portion of the broadcast content via a broadcast network; a heterogeneous network interface for receiving a heterogeneous stream including a second portion of the broadcast content via a heterogeneous network; and wherein the broadcast stream further includes timeline reference signaling information containing metadata for synchronizing streams transmitted via the one or more networks, and wherein the timeline reference signaling information includes at least one timeline reference information reconstituting timeline of at least one of the broadcast stream and the heterogeneous stream, a processor for configuring the broadcast content using the broadcast stream and the heterogeneous stream based on the timeline reference signaling information. The present invention is effective in easily synchronizing transport streams transmitted through each of heterogeneous networks.