公开(公告)号：US11856181B2

公开(公告)日：2023-12-26

申请号：US16650842

申请日：2018-06-08

Applicant: LG ELECTRONICS INC.

Inventor： Sooyeon Lee ,  Sejin Oh

IPC: G06T9/00 ,  H04N13/351 ,  H04N13/178 ,  G06V10/74 ,  G06V10/10

CPC classification number: H04N13/351 ,  G06T9/00 ,  G06V10/16 ,  G06V10/761 ,  H04N13/178

Abstract: A 6DoF video data processing method performed by a 6DoF video transmission device according to the present invention comprises the steps of: acquiring information on pictures of a 6DoF video and metadata of the 6DoF video; decoding the pictures on the basis of the metadata and the information of the pictures, and deriving an image of a user position; and processing the image on the basis of the metadata, and performing rendering into a 3D space around the user position, wherein the metadata includes stitching information and information of a camera having captured the 6DoF video.

公开(公告)号：US11831855B2

公开(公告)日：2023-11-28

申请号：US17252999

申请日：2019-06-20

Applicant: LG Electronics Inc.

Inventor： Hyunmook Oh ,  Sejin Oh

IPC: H04N13/178 ,  H04N13/194 ,  H04N13/111 ,  H04N5/445 ,  H04L65/61 ,  H04L65/65

CPC classification number: H04N13/178 ,  H04L65/61 ,  H04L65/65 ,  H04N5/445 ,  H04N13/111 ,  H04N13/194

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; rendering the decoded picture based on the metadata; and displaying a viewport in a 360-degree video generated based on the rendering, wherein the viewport includes a mini-map representing the specific viewing space, and wherein a shape of the mini-map is derived as a shape corresponding to a shape type of the specific viewing space.

公开(公告)号：US11823424B2

公开(公告)日：2023-11-21

申请号：US17722926

申请日：2022-04-18

Applicant: LG Electronics Inc.

Inventor： Hyejung Hur ,  Sejin Oh

IPC: G06T9/40

CPC classification number: 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 of the point cloud data, generating one or more levels of detail (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, 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：US11803986B2

公开(公告)日：2023-10-31

申请号：US17281482

申请日：2020-03-02

Applicant: LG Electronics Inc.

Inventor： Hyejung Hur ,  Sejin Oh

IPC: G06T9/00 ,  G06T9/40 ,  G06T17/20

CPC classification number: G06T9/001 ,  G06T9/40 ,  G06T17/205

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

公开(公告)号：US11736923B2

公开(公告)日：2023-08-22

申请号：US17143005

申请日：2021-01-06

Applicant: LG ELECTRONICS INC.

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

IPC: H04W4/90 ,  H04W4/80 ,  H04H20/08 ,  H04H20/59 ,  H04L29/08 ,  H04W4/06 ,  H04L67/10 ,  H04L67/55 ,  H04W88/04

CPC classification number: H04W4/90 ,  H04H20/08 ,  H04H20/59 ,  H04L67/10 ,  H04L67/55 ,  H04W4/06 ,  H04W4/80 ,  H04H2201/37 ,  H04W88/04

Abstract: Provided is a broadcast receiving device receiving a broadcast service interoperating with a companion device. The broadcast receiving device includes: an IP communication unit configured to establish a pairing session with the companion device; a broadcast communication unit configured to receive an emergency alert message including an emergency alert alerting a disaster situation on the basis of the broadcast service; and a control unit configured to transmit information on the emergency alert message to the companion device.

公开(公告)号：US11706501B2

公开(公告)日：2023-07-18

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 ,  H04W4/06

CPC classification number: H04N21/845 ,  H04N21/2381 ,  H04N21/6125 ,  H04N21/64322 ,  H04W4/06

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：US11706467B2

公开(公告)日：2023-07-18

申请号：US17585104

申请日：2022-01-26

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/2381 ,  H04N21/8547 ,  H04L1/00 ,  H04N21/63 ,  H04B7/0413 ,  H04N21/462 ,  H04N21/2383 ,  H04H20/42 ,  H04H60/82 ,  H04H60/40 ,  H04N21/236 ,  H04N21/233 ,  H04N21/234 ,  H04N21/242

CPC classification number: H04N21/2381 ,  H04B7/0413 ,  H04H20/423 ,  H04H60/40 ,  H04H60/82 ,  H04L1/004 ,  H04L1/0041 ,  H04L1/0057 ,  H04L1/0071 ,  H04L1/0075 ,  H04N21/233 ,  H04N21/234 ,  H04N21/236 ,  H04N21/2383 ,  H04N21/242 ,  H04N21/4622 ,  H04N21/631 ,  H04N21/8547 ,  H04H2201/37 ,  H04L2001/0093

Abstract: A method of processing a service in a transmitter, and including generating, by a hardware processor, a first media component and a second media component for the service; generating, by the hardware processor, signaling data for the service; time interleaving, by a time interleaver, the first media component, wherein the first media component is time-interleaved by column-wise writing actual Forward Error Correction (FEC) blocks including the first media component in a Time Interleaving (TI) memory and diagonal-wise reading the first media component in the actual FEC blocks from the TI memory, wherein one or more virtual FEC blocks are skipped during the diagonal-wise reading the written first media component, and wherein a number of the one or more virtual FEC blocks is equal to a difference between a number of the actual FEC blocks and a column number of the TI memory; generating, by a signaling generator, physical layer signaling information, wherein the physical layer signaling information includes first physical layer signaling information and second physical layer signaling information, wherein the first physical layer signaling information includes information for identifying a size of the second physical layer signaling information and wherein the second physical layer signaling information includes information for obtaining the column number of the TI memory; transmitting, by an antenna, the time-interleaved first media component, the physical layer signaling information and the signaling data through a broadcast network; and transmitting, by a network interface, the second media component to a receiver through a broadband network. Further, the signaling data transmitted through the broadcast network includes first timeline information for specifying a timeline of the first media component transmitted through the broadcast network and uniform resource location information for the second media component.

公开(公告)号：US11706397B2

公开(公告)日：2023-07-18

申请号：US17649923

申请日：2022-02-03

Applicant: LG ELECTRONICS INC.

Inventor： Hyejung Hur ,  Sejin Oh ,  Jangwon Lee

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

CPC classification number: H04N13/183 ,  H04N13/133 ,  H04N13/161 ,  H04N13/178 ,  H04N13/282

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：US11678346B2

公开(公告)日：2023-06-13

申请号：US17523562

申请日：2021-11-10

Applicant: LG ELECTRONICS INC.

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

IPC: H04W72/00 ,  H04W72/30 ,  H04W4/06 ,  H04L1/00 ,  H04N21/00 ,  H04L5/00 ,  H04L69/22 ,  H04L27/26 ,  H04L69/164 ,  H04L1/08 ,  H04L69/16

CPC classification number: H04W72/30 ,  H04L1/0009 ,  H04L1/0042 ,  H04L1/0057 ,  H04L1/0071 ,  H04L5/0007 ,  H04L27/2601 ,  H04L69/164 ,  H04L69/22 ,  H04N21/00 ,  H04W4/06 ,  H04L1/08 ,  H04L5/0091 ,  H04L69/16 ,  H04L2001/0093

Abstract: A method for transmitting a broadcast signal in a digital broadcast transmitter, the method including generating components of a service; generating first signaling information including session instance description information for at least one Real-Time Object Delivery over Unidirectional Transport (ROUTE) session and at least one Layered Coding Transport (LCT) channel in which the components of the service are delivered, wherein the session instance description information includes first source Internet Protocol (IP) address information of the at least one ROUTE session, first destination IP address information of the at least one ROUTE session, first destination port information of the at least one ROUTE session, and transport session identification information for the at least one LCT channel; generating second signaling information which is used for acquiring the first signaling information, wherein the second signaling information includes information for indicating a channel number of the service, wherein the second signaling information further includes bootstrap information and signaling transport mode information for indicating a type of delivery protocol of the first signaling information, and further the bootstrap information changes depending on the signaling transport mode information, and wherein the bootstrap information included in the second signaling information includes second source IP address information, second destination IP address information, and second destination port information for the first signaling information, wherein the at least one LCT channel is acquired based on the bootstrap information included in the second signaling information; and transmitting the broadcast signal including the components of the service, the first signaling information, and the second signaling information based on at least one Physical Layer Pipe (PLP).

公开(公告)号：US11677922B2

公开(公告)日：2023-06-13

申请号：US17268350

申请日：2019-08-12

Applicant: LG Electronics Inc.

Inventor： Hyunmook Oh ,  Sejin Oh

IPC: H04N13/128 ,  H04N13/161 ,  H04N13/194 ,  H04N13/282

CPC classification number: H04N13/128 ,  H04N13/161 ,  H04N13/194 ,  H04N13/282

Abstract: An apparatus for transmitting a video comprises an inter-view redundancy remover configured to remove redundant information of pictures for viewing positions, where redundant pixel information between the pictures in adjacent viewing positions is removed, a packing unit configured to pack the pictures and generate packing information, and an encoder configured to encode the pictures. The apparatus is further configured to perform multi-view packing the pictures into a packed picture, where each view for the picture includes different types of a texture and a depth map, and a residual of texture and a depth map are generated for a subsidiary view based on redundancy between each view. The apparatus is further configured to generate signaling information for the inter-view redundancy remover, the packing unit, or the multi-view packing.