公开(公告)号：US11309982B2

公开(公告)日：2022-04-19

申请号：US17192581

申请日：2021-03-04

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 ,  H04L65/1066 ,  H04L65/611

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 transport session information containing transport session identifier (TSI) information for the service data and wherein a value of TSI information for the service layer signaling information is zero; and 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, short name information of the service and access information of the ROUTE session.

公开(公告)号：US11303826B2

公开(公告)日：2022-04-12

申请号：US16964308

申请日：2019-01-31

Applicant: LG ELECTRONICS INC.

Inventor： Sejin Oh ,  Sooyeon Lee

IPC: H04N5/265 ,  H04L67/131

Abstract: A communication method for an image transmission device in a wireless communication system, in accordance with the present invention, comprises the steps of: acquiring information on at least one image for which stitching is to be performed; generating metadata for the stitching, on the basis of the information on the at least one image; and transmitting the metadata for the stitching to an image reception device.

公开(公告)号：US11217037B2

公开(公告)日：2022-01-04

申请号：US16994310

申请日：2020-08-14

Applicant: LG ELECTRONICS INC.

Inventor： Yousun Park ,  Sejin Oh ,  Hyejung Hur

IPC: H04N19/124 ,  G06T19/20 ,  G06T17/00 ,  H04N19/184

Abstract: Disclosed herein is a point cloud data reception device including a receiver configured to receive a bitstream containing geometry data of point cloud data and/or attribute data of the point cloud data, and/or a decoder configured to decode the point cloud data in the bitstream. Disclosed herein is a point cloud data transmission device including an encoder configured to encode point cloud data, and/or a transmitter configured to transmit a bitstream containing the point cloud data and/or signaling information about the point cloud data.

公开(公告)号：US11159657B2

公开(公告)日：2021-10-26

申请号：US16807417

申请日：2020-03-03

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Sejin Oh ,  Woosuk Ko ,  Sungryong Hong ,  Kyoungsoo Moon

IPC: H04L29/08 ,  H04H60/73 ,  H04L29/06 ,  H04N21/2362

Abstract: A method for transmitting a broadcast signal in a broadcast transmitter includes generating a link layer packet including a header and a payload; and transmitting the broadcast signal carrying the link layer packet. Further, the header includes a fixed header having a fixed length and the fixed header includes packet type information of input data before encapsulation into the link layer packet, further the input data relates to an IP packet or MPEG-2 transport stream.

公开(公告)号：US11138688B2

公开(公告)日：2021-10-05

申请号：US17062991

申请日：2020-10-05

Applicant: LG ELECTRONICS INC.

Inventor： Hyejung Hur ,  Sejin Oh

IPC: G06T3/40 ,  G06K9/62 ,  G06T17/20 ,  G06T9/40

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 in the point cloud data, encoding attribute information including attribute values of points in the point cloud data based on the geometry information, and transmitting the encoded geometry information, the encoded attribute information and signaling information.

公开(公告)号：US11122102B2

公开(公告)日：2021-09-14

申请号：US16919280

申请日：2020-07-02

Applicant: LG Electronics Inc.

Inventor： Sejin Oh

IPC: G06F15/16 ,  H04L29/06 ,  G06T9/00 ,  H03M7/30 ,  G06T17/10 ,  G06K9/00 ,  H03M7/40

Abstract: According to embodiments, point cloud data transmission method may include encoding point cloud data, encapsulating a bitstream that includes the encoded point cloud data and signaling data into a file, and transmitting the file, the bitstream is stored either in a single track or in multiple tracks of the file, the signaling data include at least one parameter set, and the encoded point cloud data include a geometry bitstream containing geometry data and an attribute bitstream containing attribute data.

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.