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.

公开(公告)号：US10270989B2

公开(公告)日：2019-04-23

申请号：US15557343

申请日：2016-04-22

Applicant: LG ELECTRONICS INC.

Inventor： Sejin Oh ,  Soojin Hwang ,  Jongyeul Suh ,  Hyunmook Oh

IPC: H04N7/173 ,  H04N5/355 ,  H04N21/235 ,  H04N21/2362 ,  H04N1/60 ,  H04N7/00 ,  H04N21/2343 ,  H04N21/262 ,  H04N21/845 ,  H04N7/015

Abstract: The present invention proposes a method for transmitting a broadcasting signal. The method for transmitting a broadcasting signal according to the present invention proposes a system which can support a next-generation broadcasting service in an environment that supports a next-generation hybrid broadcasting using a terrestrial broadcasting network and an Internet network. In addition, the present invention proposes an efficient signaling method which can cover both the terrestrial broadcasting network and the Internet network in the environment that supports the next-generation hybrid broadcasting.

公开(公告)号：US10057633B2

公开(公告)日：2018-08-21

申请号：US14903820

申请日：2014-07-14

Applicant: LG ELECTRONICS INC.

Inventor： Hyunmook Oh ,  Jongyeul Suh ,  Soojin Hwang

IPC: H04N21/438 ,  H04N19/46 ,  H04N19/70 ,  H04N21/434 ,  H04N21/426 ,  H04N21/6336

CPC classification number: H04N21/4382 ,  H04N19/46 ,  H04N19/70 ,  H04N21/42676 ,  H04N21/4345 ,  H04N21/6336

Abstract: The present invention relates to a method and an apparatus for transmitting and receiving an ultra high-definition broadcasting signal for expressing high-quality color in a digital broadcasting system. An apparatus for receiving an ultra high-definition broadcasting signal according to one embodiment of the present invention comprises: a receiving unit for receiving an ultra high-definition broadcasting signal which includes ultra high-definition broadcasting contents and display information metadata representing display environment information suitable for the ultra high-definition broadcasting contents; a decoder for decoding the received ultra high-definition broadcasting contents and the display information metadata; a controlling unit for adjusting the display environment of the receiving apparatus to a display environment suitable for the ultra high-definition broadcasting contents using the display information metadata; and a reproducing unit for reproducing the ultra high-definition broadcasting contents.