公开(公告)号：US11895341B2

公开(公告)日：2024-02-06

申请号：US17621042

申请日：2020-06-26

Applicant: LG Electronics Inc.

Inventor： Hyunmook Oh ,  Sejin Oh

IPC: H04N19/96 ,  H04N19/119 ,  H04N19/174 ,  H04N19/30 ,  H04N19/46

CPC classification number: H04N19/96 ,  H04N19/119 ,  H04N19/174 ,  H04N19/30 ,  H04N19/46

Abstract: A point cloud data transmission method according to embodiments comprises the steps of: encoding point cloud data including geometry data and attribute data; and transmitting a bitstream including the point cloud data. A point cloud data reception method according to embodiments comprises the steps of: receiving a bitstream including point cloud data including geometry data and attribute data; and decoding the point cloud data.

公开(公告)号：US11871053B2

公开(公告)日：2024-01-09

申请号：US17221989

申请日：2021-04-05

Applicant: LG Electronics Inc.

Inventor： Hyunmook Oh ,  Jongyeul Suh ,  Soojin Hwang

IPC: H04N21/2343 ,  H04N21/23 ,  H04N19/70 ,  H04N19/186 ,  H04N19/85 ,  H04N19/59 ,  G09G5/06 ,  H04N21/236 ,  H04N21/81

CPC classification number: H04N21/2343 ,  G09G5/06 ,  H04N19/186 ,  H04N19/59 ,  H04N19/70 ,  H04N19/85 ,  H04N21/23 ,  H04N21/236 ,  H04N21/816 ,  G09G2340/06

Abstract: The present invention relates to provision of a method and/or a device for transmitting and receiving a broadcast signal on the basis of color gamut resampling. The method for transmitting a broadcast signal, according to one embodiment of the present invention, comprises the steps of: resampling first color gamut-based content data into second color gamut-based content data; generating signaling information which includes color gamut resampling information indicating information on the resampling; respectively encoding the generated signaling information and the second color gamut-based content data; and transmitting the encoded content data and the encoded signaling information.

公开(公告)号：US20230111994A1

公开(公告)日：2023-04-13

申请号：US17912428

申请日：2021-01-11

Applicant: LG ELECTRONICS INC.

Inventor： Hyunmook Oh ,  Sejin Oh

IPC: H04N19/132 ,  H04N19/136 ,  H04N19/88 ,  H04N19/129 ,  H04N19/105

Abstract: A point cloud data processing method according to embodiments is to encode and transmit point cloud data and may comprise the steps of: encoding a geometry indicating positions of one or more points of the point cloud data; encoding attributes of the one or more points; and transmitting a bitstream including the encoded point cloud data. By the point cloud data processing method according to embodiments, point cloud data can be received and decoded.

公开(公告)号：US11509879B2

公开(公告)日：2022-11-22

申请号：US17281477

申请日：2019-10-01

Applicant: LG Electronics Inc.

Inventor： Hyunmook Oh ,  Sejin Oh

IPC: H04N13/161 ,  H04N13/111 ,  H04N13/194 ,  H04N19/597

Abstract: In accordance with embodiments, a method of transmitting a video includes inter-view redundancy removing pictures for multiple viewing positions; packing inter-view redundancy removed pictures; and/or encoding the packed pictures and/or signaling information including center view generation information, pre-generation information, view synthesis recommendation information and/or reference view information. In accordance with embodiments, a method of receiving a video includes decoding a bitstream of the video based on viewing position and/or viewport information, unpacking pictures in the decoded bitstream; view regenerating the unpacked pictures; and/or view synthesizing the view regenerated pictures.

公开(公告)号：US11259049B2

公开(公告)日：2022-02-22

申请号：US16732059

申请日：2019-12-31

Applicant: LG ELECTRONICS INC.

Inventor： Hyunmook Oh ,  Sejin Oh

IPC: H04N19/597 ,  H04N19/129 ,  H04N19/172

Abstract: A 360-degree image encoding method that is performed by an encoding apparatus according to the present disclosure comprises the steps of: obtaining a two-dimensional (2D) space picture with respect to 360-degree video data; deriving motion constrained tile sets (MCTSs) for configuring a sub-picture from the 2D picture; configuring the sub-picture including the MCTSs based on the MCTSs; and encoding the sub-picture so as to output encoded image information, wherein the MCTSs are arranged in the raster scan order on the sub-picture.

公开(公告)号：US11140373B2

公开(公告)日：2021-10-05

申请号：US16958033

申请日：2019-04-03

Applicant: LG ELECTRONICS INC.

Inventor： Hyunmook Oh ,  Sejin Oh

IPC: H04N13/117 ,  H04N13/161 ,  H04N13/178 ,  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 for a plurality of views; deriving metadata and information on a packed picture; decoding the packed picture based on the information on the packed picture; deriving a specific packed region for a target view from the packed picture based on the metadata; deriving a projected picture of the target view based on the specific packed region and the metadata; and rendering the projected picture based on the metadata, wherein the metadata includes multiview region-wise packing information, and wherein the multiview region-wise packing information includes information about a packed region in the packed picture and information about the target view.

公开(公告)号：US11006156B2

公开(公告)日：2021-05-11

申请号：US16731938

申请日：2019-12-31

Applicant: LG Electronics Inc.

Inventor： Hyunmook Oh ,  Jongyeul Suh ,  Soojin Hwang

IPC: H04N21/2343 ,  H04N21/23 ,  H04N19/70 ,  H04N19/186 ,  H04N19/85 ,  H04N19/59 ,  G09G5/06 ,  H04N21/236 ,  H04N21/81

Abstract: The present invention relates to provision of a method and/or a device for transmitting and receiving a broadcast signal on the basis of color gamut resampling. The method for transmitting a broadcast signal, according to one embodiment of the present invention, comprises the steps of: resampling first color gamut-based content data into second color gamut-based content data; generating signaling information which includes color gamut resampling information indicating information on the resampling; respectively.

公开(公告)号：US10855970B2

公开(公告)日：2020-12-01

申请号：US16846014

申请日：2020-04-10

Applicant: LG ELECTRONICS INC.

Inventor： Hyunmook Oh ,  Sejin Oh

IPC: H04N13/194 ,  H04N5/232 ,  H04N13/122 ,  H04N13/161 ,  H04N13/178

Abstract: According to one aspect of the present invention, the present invention may relate to a method for transmitting a 360 video. The method for transmitting a 360 video may include processing a plurality of circular images captured by a camera having at least one fisheye lens; encoding a picture to which the circular images are mapped; generating signaling information about the 360 video data; encapsulating the encoded picture and the signaling information into a file, and transmitting the file.

公开(公告)号：US10594978B2

公开(公告)日：2020-03-17

申请号：US15538120

申请日：2016-02-05

Applicant: LG ELECTRONICS INC

Inventor： Hyunmook Oh ,  Jongyeul Suh

IPC: H04N7/015 ,  H04N9/82 ,  H04N19/00 ,  H04N21/236 ,  H04N21/434 ,  H04N21/435 ,  H04N21/8543 ,  H04N21/43 ,  H04N19/70 ,  H04N19/46 ,  H04N21/235 ,  H04N21/84

Abstract: The present invention relates to a device and a method for transmitting and receiving a signal of a broadcast including a subtitle service. One embodiment of the present invention provides a broadcast signal transmitting method comprising the steps of generating a broadcast signal, which includes video data and subtitle data, and transmitting the generated broadcast signal. According to one embodiment of the present invention, a transmission stream for providing a digital broadcasting subtitle service using XML subtitles can be transmitted.

公开(公告)号：US10567811B2

公开(公告)日：2020-02-18

申请号：US16003665

申请日：2018-06-08

Applicant: LG Electronics Inc.

Inventor： Hyunmook Oh ,  Jongyeul Suh ,  Soojin Hwang

IPC: H04N21/2343 ,  H04N21/23 ,  H04N19/70 ,  H04N19/186 ,  H04N19/85 ,  H04N19/59 ,  G09G5/06 ,  H04N21/236 ,  H04N21/81

Abstract: A method and/or a device transmits and receives a broadcast signal on the basis of color gamut resampling. The method for transmitting a broadcast signal, according to one embodiment comprises the steps of: resampling first color gamut-based content data into second color gamut-based content data: generating signaling information which includes color gamut resampling information indicating information on the resampling; respectively.