公开(公告)号：US12177481B2

公开(公告)日：2024-12-24

申请号：US18364878

申请日：2023-08-03

Applicant: LG Electronics Inc.

Inventor： Hyunmook Oh ,  Sejin Oh

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

Abstract: Disclosed herein is a method of transmitting point cloud data, including encoding geometry data of point cloud data, encoding attribute data of the point cloud data based on the geometry data, and transmitting the encoded geometry data, the encoded attribute data, and signaling data.

公开(公告)号：US11558597B2

公开(公告)日：2023-01-17

申请号：US17268338

申请日：2019-08-12

Applicant: LG Electronics Inc.

Inventor： Hyunmook Oh ,  Sejin Oh

IPC: H04N13/194 ,  H04N13/156 ,  H04N13/178 ,  H04N13/122 ,  H04N13/161 ,  H04N13/111

Abstract: An apparatus for receiving a video according to embodiments of the present invention comprises a decoder configured to decode bitstream based on viewing position and viewport information; an unpacker configured to unpack pictures in the decoded bitstream; a view regenerator configured to perform view regenerating the unpacked pictures; and a view synthesizer configured to perform view synthesis on the view regenerated pictures. A method of transmitting a video, the method comprising inter-view redundancy removing pictures for multiple viewing positions; packing the inter-view redundancy removed pictures; and encoding the packed pictures and signaling information.

公开(公告)号：US11463671B2

公开(公告)日：2022-10-04

申请号：US17259077

申请日：2019-07-03

Applicant: LG Electronics Inc.

Inventor： Hyunmook Oh ,  Sejin Oh

IPC: H04N13/161 ,  H04N13/178 ,  H04N13/194 ,  G06T15/20

Abstract: A video transmitting device according to embodiments of the present invention can comprise a pre-processor for processing video data, an encoder for encoding the pre-processed video data and a transmitting unit for transmitting the encoded video data. Additionally, the video transmitting device further comprises a projector for generating a picture and a projection parameter related to the picture by projecting the video data, and the pre-processor can view-select video data for a specific view from among the video data. Furthermore, the pre-processor of the video transmitting device can pack the video data into specific video data by view-analyzing the video data.

公开(公告)号：US11361771B2

公开(公告)日：2022-06-14

申请号：US16631271

申请日：2018-09-21

Applicant: LG ELECTRONICS INC.

Inventor： Tungchin Lee ,  Sejin Oh ,  Hyunmook Oh

IPC: G10L19/00 ,  H04L65/61 ,  H04L65/60 ,  H04R5/04

Abstract: A method for processing audio data by an audio processing device according to the present disclosure comprises the steps of: receiving, from an audio reproduction device, information on reproduction environment of the audio reproduction device; generating an audio signal by processing an audio bitstream on the basis of the information on reproduction environment; generating an InfoFrame including characteristic information of the generated audio signal; and transmitting the generated audio signal and the generated InfoFrame to the audio reproduction device, wherein the audio bitstream includes a virtual reality (VR) audio bitstream or an augmented reality (AR) audio bitstream.

公开(公告)号：US10368144B2

公开(公告)日：2019-07-30

申请号：US15322604

申请日：2015-07-10

Applicant: LG ELECTRONICS INC.

Inventor： Hyunmook Oh ,  Jongyeul Suh

IPC: H04N21/84 ,  H04N21/434 ,  H04N21/439 ,  H04N21/435 ,  H04N21/488 ,  H04N21/234 ,  H04N21/235 ,  H04N21/8543

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

公开(公告)号：US10230999B2

公开(公告)日：2019-03-12

申请号：US15101320

申请日：2014-12-16

Applicant: LG ELECTRONICS INC.

Inventor： Joonhee Yoon ,  Soojin Hwang ,  Jongyeul Suh ,  Hyunmook Oh

IPC: H04N21/236 ,  H04N21/84 ,  H04N21/854 ,  H04N21/2387 ,  H04N21/4147

Abstract: The present invention relates to a device for transmitting and receiving a signal and a method for transmitting and receiving a signal. One embodiment of the present invention provides a method for transmitting a signal, comprising the steps of: encoding video source data and outputting video data including a supplemental enhancement information (SEI) message having group of pictures (GOP) metadata; and transmitting the video data. According to the embodiment of the present invention, a trick play for an encoded stream can be more efficiently provided.

公开(公告)号：US09936236B2

公开(公告)日：2018-04-03

申请号：US15035118

申请日：2014-11-21

Applicant: LG ELECTRONICS INC.

Inventor： Hyunmook Oh ,  Jangwoong Park ,  Jongyeul Suh ,  Seungryul Yang ,  Joonhee Yoon

IPC: H04N7/173 ,  H04N21/258 ,  H04N21/2343 ,  H04N21/4363 ,  H04N21/236 ,  H04N21/434 ,  H04N21/4402 ,  H04N21/45 ,  H04N7/015

CPC classification number: H04N21/25825 ,  H04N7/015 ,  H04N21/2343 ,  H04N21/236 ,  H04N21/434 ,  H04N21/43635 ,  H04N21/4402 ,  H04N21/4516

Abstract: The present invention relates to a video processing method and a video processing apparatus. An embodiment of the present invention provides a video processing method comprising the steps of: transmitting display related information on a display device to a source device through an interface; receiving video option information on a UHD video processed according to a video expression function of the display device through the interface; receiving the processed UHD video through the interface; and expressing the received UHD video on the display device.

公开(公告)号：US09866812B2

公开(公告)日：2018-01-09

申请号：US15490940

申请日：2017-04-19

Applicant: LG Electronics Inc.

Inventor： Hyunmook Oh ,  Jongyeul Suh

IPC: H04N9/87 ,  G06F3/14 ,  H04N5/775 ,  G09G5/04

CPC classification number: H04N9/8722 ,  G06F3/14 ,  G09G5/04 ,  G09G2320/066 ,  G09G2340/06 ,  G09G2370/04 ,  H04N5/775 ,  H04N21/4122 ,  H04N21/43632

Abstract: A video data processing method and/device for display adaptive video playback are disclosed. The video data processing method includes receiving video data and dynamic range mastering information including dynamic range related information of the video data from a source device via an interface, and playing the received video data back. The dynamic range mastering information includes electro optical transfer function, EOTF, type information for identifying an EOTF used for the video 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：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.