公开(公告)号：US20200322586A1

公开(公告)日：2020-10-08

申请号：US16767558

申请日：2018-07-31

Applicant: LG ELECTRONICS INC.

Inventor： Sooyeon LEE ,  Sejin OH

IPC: H04N13/117 ,  H04N13/178 ,  H04N13/268 ,  H04N21/236 ,  H04N21/81 ,  H04N21/858

Abstract: A method for 360 video data processing based on multiple viewpoints performed by a 360 video receiving apparatus according to the present invention comprises the steps of: acquiring, from received video signals, image information for pictures of multiple viewpoints-based 360 videos and metadata for the multiple viewpoints-based 360 videos, wherein the metadata includes multiple viewpoint information; decoding an image of a first viewport of a first viewpoint on the basis of the metadata and the image information; rendering the image of the first viewport into a 3D space; decoding an image of a second viewport of a second viewpoint on the basis of the metadata and the image information; deriving, in a case in which the hotspot in the first viewport is selected, the second viewport in the second viewpoint connected through a hotspot on the basis of the multiple viewpoint information; and rendering the image of the second viewport into the 3D space.

公开(公告)号：US20200302655A1

公开(公告)日：2020-09-24

申请号：US16825904

申请日：2020-03-20

Applicant: LG ELECTRONICS INC.

Inventor： Sejin OH

IPC: G06T9/40

Abstract: Disclosed herein are a point cloud data transmission method including encoding point cloud data and transmitting the point cloud data, and a point cloud data reception method including receiving point cloud data, decoding the point cloud data, and rendering the point cloud data.

公开(公告)号：US20200302632A1

公开(公告)日：2020-09-24

申请号：US16826090

申请日：2020-03-20

Applicant: LG ELECTRONICS INC.

Inventor： Sejin OH

IPC: G06T7/62 ,  G06T7/187

Abstract: Disclosed herein are a point cloud data transmission method including encoding point cloud data and transmitting the point cloud data, and a point cloud data reception method including receiving point cloud data, decoding the point cloud data, and rendering the point cloud data.

公开(公告)号：US20200084428A1

公开(公告)日：2020-03-12

申请号：US16076268

申请日：2017-02-17

Applicant: LG ELECTRONICS INC.

Inventor： Sejin OH ,  Jangwon LEE ,  Junwo LEE ,  Jongyeul SUH

IPC: H04N13/194 ,  H04N19/597 ,  H04N19/46

Abstract: The present invention proposes a method for transmitting 360 video. The method for transmitting 360 video according to the present invention may comprise the steps of: receiving 360 video data captured by at least one camera; projecting a 2D image obtained by processing the 360 video data; generating signaling information associated with the 360 video data; encoding the 2D image; and processing the encoded 2D image and the signaling information for transmission thereof, and transmitting the same through a broadcasting network.

公开(公告)号：US20200037393A1

公开(公告)日：2020-01-30

申请号：US16593368

申请日：2019-10-04

Applicant: LG ELECTRONICS INC.

Inventor： Minsung KWAK ,  Woosuk KWON ,  Sejin OH ,  Kyoungsoo MOON ,  Woosuk KO ,  Sungryong HONG

IPC: H04W76/40 ,  H04H20/26 ,  H04H60/73 ,  H04W48/12 ,  H04L1/00 ,  H04H60/48 ,  H04W4/06 ,  H04W48/10 ,  H04W76/11

Abstract: A method of transmitting a broadcast signal includes generating, by a broadcast transmitter, a service and service signaling information for acquiring the service and components of the service; generating, by the broadcast transmitter, signaling data for rapid service scan, the signaling data including protection information for indicating whether a component of the service is protected and information for identifying where the service signaling information is transmitted and hidden information for indicating whether the service is intended for testing or proprietary use; generating, by the broadcast transmitter, physical layer pipes (PLPs) including the service, the service signaling information and the signaling data; and transmitting, by the broadcast transmitter, a broadcast signal carrying a signal frame including the PLPs, wherein the service signaling information includes a service identifier for referencing a service related to the signaling data.

公开(公告)号：US20200021895A1

公开(公告)日：2020-01-16

申请号：US16585091

申请日：2019-09-27

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Sejin OH ,  Kyoungsoo MOON

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

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：US20200014905A1

公开(公告)日：2020-01-09

申请号：US16451717

申请日：2019-06-25

Applicant: LG ELECTRONICS INC.

Inventor： Sejin OH

IPC: H04N13/178 ,  H04N13/161

Abstract: A 360-degree video data processing method performed by a 360-degree video reception apparatus according to an embodiment of the present invention includes: receiving information on 360-degree video data; obtaining information on an encoded picture and metadata from the information 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 comprises a dynamic global coordinate system rotation flag representing whether relative rotation angles between a common reference coordinate system of a dynamic viewpoint and a global coordinate system are changed.

公开(公告)号：US20190320157A1

公开(公告)日：2019-10-17

申请号：US16454540

申请日：2019-06-27

Applicant: LG ELECTRONICS INC.

Inventor： Soojin HWANG ,  Sejin OH ,  Tung Chin LEE

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

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：US20190320156A1

公开(公告)日：2019-10-17

申请号：US16382798

申请日：2019-04-12

Applicant: LG Electronics Inc.

Inventor： Sejin OH

IPC: H04N13/178 ,  H04N13/117 ,  H04N19/597

Abstract: Disclosed is a 360-degree video data processing method performed by a 360-degree video transmission apparatus, the method including: obtaining 360-degree video data captured by at least one camera; deriving a two-dimensional (2D) picture comprising omnidirectional image by processing the 360-degree video data; generating metadata for the 360-degree video data; encoding information on the 2D picture; and performing encapsulation based on the encoded information on the 2D pictureand the metadata, wherein the metadata comprises initial viewpoint ID information of viewpoint group which is related to the 360-degree video data.

公开(公告)号：US20190199921A1

公开(公告)日：2019-06-27

申请号：US16328186

申请日：2017-07-10

Applicant: LG ELECTRONICS INC.

Inventor： Sejin OH ,  Jongyeul SUH ,  Jangwon LEE

IPC: H04N5/232 ,  H04N19/597 ,  H04N19/46 ,  H04N19/172

CPC classification number: H04N5/23238 ,  H04N13/00 ,  H04N19/172 ,  H04N19/46 ,  H04N19/597

Abstract: A method by which a 360-degree video transmission device transmits 360-degree video, according to the present invention, comprises the steps of: acquiring 360-degree video data captured by at least one camera; acquiring a projected picture by processing the 360-degree video data; acquiring a packed picture by applying a region-wise packing process to the projected picture; generating metadata for the 360-degree video data; encoding the packed picture; and performing processing for the storage or transmission of the encoded picture and the metadata, wherein the metadata includes 3D mapping information on a region of the packed picture, and the 3D mapping information indicates a yaw value and a pitch value of spherical coordinates of a spherical surface corresponding to a central point of the region.