公开(公告)号：US20210104013A1

公开(公告)日：2021-04-08

申请号：US17062991

申请日：2020-10-05

Applicant: LG ELECTRONICS INC.

Inventor： Hyejung Hur ,  Sejin Oh

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

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：US10952035B2

公开(公告)日：2021-03-16

申请号：US16453376

申请日：2019-06-26

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/06 ,  H04L1/00 ,  H04H20/00 ,  H04L29/06 ,  H04N21/2362 ,  H04N21/2383 ,  H04N21/643 ,  H04B7/0413 ,  H04H60/07

Abstract: A method of transmitting broadcast signals, includes link processing input packets to generate link layer packets, wherein a link layer packet of the link layer packets includes a header and a payload, wherein the payload of the link layer packet includes a segment of an input packet or concatenated input packets, wherein the header of the link layer packet includes a first field for identifying whether the payload includes the segment or the concatenated input packets, and wherein the header further includes a second field for identifying a number of the concatenated input packets and third fields that are inserted to the header in the same order as the concatenated input packets present in the payload in response to the first field representing that the payload includes the concatenated input packets; physical processing the link layer packets into the broadcast signals; and transmitting the broadcast signals.

公开(公告)号：US20200336728A1

公开(公告)日：2020-10-22

申请号：US16921722

申请日：2020-07-06

Applicant: LG ELECTRONICS INC.

Inventor： Soojin Hwang ,  Sejin Oh ,  Tung Chin Lee

IPC: 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：US10771764B2

公开(公告)日：2020-09-08

申请号：US16447326

申请日：2019-06-20

Applicant: LG ELECTRONICS INC.

Inventor： Hyunmook Oh ,  Sejin Oh

IPC: H04N13/178 ,  H04N13/194 ,  H04L29/06 ,  H04N13/111

Abstract: A 360-degree video data processing method performed by a 360-degree video reception apparatus, according to the present invention, comprises the steps of: receiving 360-degree video data; deriving metadata and information on an encoded picture for a specific viewing position in specific viewing space based on the 360-degree video data; decoding the encoded picture based on the information on the encoded picture; and rendering the decoded picture based on the metadata, wherein the metadata includes viewing space information, and wherein the viewing space information includes information indicating a shape type of the specific viewing space.

公开(公告)号：US10694260B2

公开(公告)日：2020-06-23

申请号：US15109526

申请日：2014-12-30

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 broadcast reception device includes: a broadcast reception unit configured to receive a transport packet, the transport packet divided into a packet payload including a transport object that is a target of a transmission through a packet and a packet header signaling the packet payload; and a control unit configured to extract the packet header from the transport packet, extract first information relating to a presentation or decoding time point of the transport object from the extracted packet header, and output the transport object on the basis of the first information.

公开(公告)号：US10694259B2

公开(公告)日：2020-06-23

申请号：US15303448

申请日：2015-04-09

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/242 ,  H04N21/643 ,  H04N21/845 ,  H04N21/262 ,  H04L12/741 ,  H04L29/12 ,  H04L29/06 ,  H04L29/08 ,  H04N21/2362 ,  H04N21/434 ,  H04N21/84

Abstract: An operating method of a broadcast reception device, according to an embodiment of the present invention includes receiving a broadcast signal; receiving media content presentation information including information necessary to present media content based on the broadcast signal; and presenting the media content based on the media content presentation information.

公开(公告)号：US10674233B2

公开(公告)日：2020-06-02

申请号：US16585091

申请日：2019-09-27

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk Kwon ,  Sejin Oh ,  Kyoungsoo Moon

IPC: H04N21/854 ,  H04N21/2362 ,  H04N21/643 ,  H04N21/63

Abstract: A broadcast signal transmission processing apparatus, includes a header compression processor that generates a first packet including first header information in a uncompressed form and second packets including second header information in a compressed form by performing header compression on Internet protocol (IP) packets containing broadcast data, a header information extracting processor that extracts the first header information from the first packet and converts the first packet from which the first header information is extracted to a third packet including third header information in a compressed form, a signaling data generating processor that generates signaling packets containing information related to the header compression and mapping information between the IP packets and at least one data pipe for the IP packets, and a broadcast signal transmitting processor that transmits a broadcast signal including multiple data pipes that include at least one data pipe.

公开(公告)号：US10582023B2

公开(公告)日：2020-03-03

申请号：US14913962

申请日：2015-01-09

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/2362 ,  H04L29/06 ,  H04L29/08 ,  H04N21/434

Abstract: Disclosed are a method and apparatus for transmitting/receiving a broadcast signal including a robust header compression (RoHC) packet stream and fast information. The method for transmitting a broadcast signal includes encoding broadcast data, generating a packet including the encoded broadcast data, generating a robust header compression (RoHC) packet by performing RoHC on a header of the generated packet, generating fast information including configuration information of a broadcast stream and broadcast service related information and transmitting the fast information through a second channel, and transmitting the broadcast stream including the generated RoHC packet through a second channel.

公开(公告)号：US10555103B2

公开(公告)日：2020-02-04

申请号：US15860934

申请日：2018-01-03

Applicant: LG ELECTRONICS INC.

Inventor： Tung Chin Lee ,  Sejin Oh

IPC: H04S7/00 ,  G06F3/01 ,  H04N21/439

Abstract: A method for outputting an audio signal corresponding to scene orientation information is disclosed. The method includes receiving an audio signal interacting with a video, generating a decoded audio signal, object metadata, and scene orientation information through decoding, receiving external control information, and generating modified object metadata suitable for a playback environment by modifying the object metadata based on the received external control information, rendering the decoded audio signal using the modified object metadata, and modifying the rendered audio signal according to the scene orientation information.

公开(公告)号：US10542389B2

公开(公告)日：2020-01-21

申请号：US16458725

申请日：2019-07-01

Applicant: LG ELECTRONICS INC.

Inventor： Jinwon Lee ,  Seungryul Yang ,  Sejin Oh ,  Woosuk Ko ,  Seungjoo An ,  Kyoungsoo Moon ,  Sungryong Hong

IPC: H04W4/06 ,  H04H20/59 ,  H04W4/90 ,  H04W4/12

Abstract: A broadcast receiving apparatus may comprise: a broadcast interface for receiving a broadcast signal comprising an emergency alert message and signaling information indicating metadata for the emergency alert message; a control unit for generating an emergency alert multicast message comprising attributes of the emergency alert message on the basis of the broadcast signal; and a companion screen interface for transferring the emergency alert multicast message to at least one companion screen device in a multicast mode.