公开(公告)号：US20140020009A1

公开(公告)日：2014-01-16

申请号：US13926558

申请日：2013-06-25

Applicant: LG Electronics Inc.

Inventor： Sejin Oh ,  Byungsun Park ,  Kyounqsoo Moon ,  Gomer Thomas ,  Seungjoo An ,  Jinwon Lee ,  Jinpil Kim ,  Kyungho Kim ,  Aettie Ji

IPC: H04N21/478

CPC classification number: H04N21/8133 ,  H04L67/02 ,  H04N21/23418 ,  H04N21/235 ,  H04N21/2353 ,  H04N21/2407 ,  H04N21/26283 ,  H04N21/4307 ,  H04N21/435 ,  H04N21/44222 ,  H04N21/478 ,  H04N21/8166 ,  H04N21/8173 ,  H04N21/84 ,  H04N21/8545 ,  H04N21/8547 ,  H04N21/8586

Abstract: A method of processing an interactive service and an apparatus includes generating an application parameter table including a first identifier and a second identifier, wherein the first identifier identifies a interactive programming segment which application parameter table pertains to, and wherein the second identifier identifies an application within the scope of application parameter table; generating an activation message file that indicates at least one of activation times of the applications, wherein the activation message file includes a third identifier and activation messages, wherein the third identifier matches the first identifier of application parameter table which contains the applications, wherein the activation message includes a fourth identifier and a start time information, wherein the fourth identifier matches the second identifier of the application in the application parameter table.

Abstract translation: 一种处理交互式服务的方法和装置包括生成包括第一标识符和第二标识符的应用参数表，其中第一标识符标识与该应用参数表有关的交互式节目段，并且其中第二标识符识别 应用范围参数表; 产生指示所述应用的激活时间中的至少一个的激活消息文件，其中所述激活消息文件包括第三标识符和激活消息，其中所述第三标识符与包含所述应用的应用参数表的第一标识符匹配，其中所述激活 消息包括第四标识符和开始时间信息，其中第四标识符与应用参数表中的应用的第二标识符匹配。

公开(公告)号：US12250414B2

公开(公告)日：2025-03-11

申请号：US18008310

申请日：2021-06-07

Applicant: LG ELECTRONICS INC.

Inventor： Hyejung Hur ,  Sejin Oh

IPC: H04N19/96 ,  H04N19/174 ,  H04N19/597 ,  H04N19/70

Abstract: A point cloud data processing method according to embodiments can encode and transmit point cloud data. A point cloud data processing method according to embodiments can receive and decode point cloud data.

公开(公告)号：US12159435B2

公开(公告)日：2024-12-03

申请号：US17627409

申请日：2020-07-31

Applicant: LG Electronics Inc.

Inventor： Hyunmook Oh ,  Sejin Oh

IPC: G06K9/00 ,  G06T9/00 ,  H04L65/70

Abstract: A point cloud data processing method according to embodiments may comprise: encoding point cloud data; and transmitting the encoded point cloud data. The point cloud data processing method according to embodiments may comprise: receiving point cloud data; and decoding the received point cloud data.

公开(公告)号：US12149751B2

公开(公告)日：2024-11-19

申请号：US17793140

申请日：2020-12-15

Applicant: LG ELECTRONICS INC.

Inventor： Hyejung Hur ,  Sejin Oh

IPC: H04N19/96 ,  G06T9/40 ,  H04N19/91

Abstract: A point cloud data processing method according to embodiments may comprise a step of encoding and transmitting point cloud data, wherein said encoding comprises encoding a geometry indicating the positions of one or more points of the point cloud data, the step of encoding a geometry further comprises a step of generating an octree of the geometry, and a step of encoding attributes of the one or more points comprises the steps of: generating Morton codes of the one or more points; and rearranging the one or more points on the basis of the octree to generate one or more levels of detail (LOD). The point cloud data processing method according to embodiments may comprise receiving and decoding point cloud data.

公开(公告)号：US12069316B2

公开(公告)日：2024-08-20

申请号：US17441146

申请日：2020-03-20

Applicant: LG ELECTRONICS INC.

Inventor： Hyunmook Oh ,  Sejin Oh

IPC: H04N19/96 ,  G06T9/40 ,  G06T15/00 ,  H04N19/91

CPC classification number: H04N19/96 ,  G06T9/40 ,  G06T15/005 ,  H04N19/91 ,  G06T2210/56

Abstract: A point cloud data transmission method according to embodiments comprises the steps of: acquiring point cloud data; encoding geometry information included in the point cloud data; encoding attribute information included in the point cloud data; and transmitting the encoded geometry information and the encoded attribute information.

公开(公告)号：US12058370B2

公开(公告)日：2024-08-06

申请号：US17634130

申请日：2020-03-26

Applicant: LG Electronics Inc.

Inventor： Yousun Park ,  Sejin Oh

IPC: H04N19/597 ,  G06T9/40 ,  H04N19/119 ,  H04N19/167 ,  H04N19/169

CPC classification number: H04N19/597 ,  G06T9/40 ,  H04N19/119 ,  H04N19/167 ,  H04N19/1883

Abstract: A point cloud data transmission device according to embodiments may comprise: an acquisition unit for acquiring point cloud data; an encoder for encoding the acquired point cloud data; and a transmitter for transmitting a bitstream including the encoded point cloud data. A point cloud data reception device according to embodiments may comprise: a receiver for receiving a bitstream including point cloud data; a decoder for decoding the point cloud data; and a renderer for rendering the point cloud data.

公开(公告)号：US12034979B2

公开(公告)日：2024-07-09

申请号：US17605972

申请日：2020-03-20

Applicant: LG ELECTRONICS INC.

Inventor： Hyunmook Oh ,  Sejin Oh

IPC: H04N19/96 ,  H04N19/124 ,  H04N19/593 ,  H04N19/597 ,  H04N19/91

CPC classification number: H04N19/96 ,  H04N19/124 ,  H04N19/593 ,  H04N19/597 ,  H04N19/91

Abstract: A point cloud data transmission method according to embodiments can comprise the steps of: acquiring point cloud data; encoding geometry information included in the point cloud data; encoding attribute information included in the point cloud data; and transmitting the encoded geometry information and the encoded attribute information.

公开(公告)号：US11830212B2

公开(公告)日：2023-11-28

申请号：US17722846

申请日：2022-04-18

Applicant: LG ELECTRONICS INC.

Inventor： Hyejung Hur ,  Sejin Oh

IPC: G06T7/60 ,  G06T17/00

CPC classification number: G06T7/60 ,  G06T17/00 ,  G06T2207/10028

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 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, wherein the selected one or more neighbor points of each point are located within a maximum neighbor point distance, 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：US11758205B2

公开(公告)日：2023-09-12

申请号：US17374639

申请日：2021-07-13

Applicant: LG ELECTRONICS INC.

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

IPC: H04N21/2362 ,  H04N21/2343 ,  H04H60/07 ,  H04H60/73 ,  H04N21/234 ,  H04N21/236 ,  H04N21/2383 ,  H04N21/6332 ,  H04L61/5007 ,  H04L69/16 ,  H04N21/643 ,  H04N21/858

CPC classification number: H04N21/2362 ,  H04H60/07 ,  H04H60/73 ,  H04L61/5007 ,  H04L69/16 ,  H04N21/234 ,  H04N21/236 ,  H04N21/2343 ,  H04N21/2383 ,  H04N21/6332 ,  H04N21/64322 ,  H04N21/8586

Abstract: A method of processing data in a digital receiving apparatus, the method including receiving a broadcast signal including low level signaling data, wherein the low level signaling data is carried via a specific data pipe (DP), wherein the low level signaling data includes service category information, the service category information is used to identify an AV service, an audio only service or an ESG (electronic service guide) service, wherein the low level signaling data is used to provide bootstrap information that allows the receiving apparatus to discover at least one service layer signaling information, wherein the bootstrap information includes URL data for a first service layer signaling information when the first service layer signaling information is transmitted via a broadband network, and wherein the bootstrap information includes a destination user datagram protocol (UDP) port number and a destination internet protocol (IP) address for a second service layer signaling information when the second service layer signaling information is transmitted via a broadcast network; and parsing the low level signaling data included in the broadcast signal, wherein the low level signaling data is parsed, and then the first service layer signaling information or the second service layer signaling information is processed.

公开(公告)号：US11601634B2

公开(公告)日：2023-03-07

申请号：US17353438

申请日：2021-06-21

Applicant: LG Electronics Inc.

Inventor： Sejin Oh

IPC: H04N13/161 ,  H04L65/70 ,  G01B11/245 ,  H04L65/75 ,  H04L65/61

Abstract: Disclosed herein is a point cloud data transmission method. The point cloud data transmission method may include encoding point cloud data, encapsulating a bitstream that includes the encoded point cloud data into a file, and transmitting the file, the bitstream is stored in one or more tracks of the file, the file further includes signaling data, the point cloud data is composed of one or more objects, and the signaling data includes at least one parameter set and information for partial access of the point cloud data.