公开(公告)号：US11778212B2

公开(公告)日：2023-10-03

申请号：US17502460

申请日：2021-10-15

Applicant: LG Electronics Inc.

Inventor： Hendry Hendry ,  Joonyoung Park ,  Yongjoon Jeon ,  Byeongmoon Jeon ,  Jungsun Kim ,  Jaehyun Lim ,  Chulkeun Kim ,  Naeri Park ,  Seungwook Park

IPC: H04N19/436 ,  H04N19/174 ,  H04N19/119 ,  H04N19/70

CPC classification number: H04N19/436 ,  H04N19/119 ,  H04N19/174 ,  H04N19/70

Abstract: The present invention relates to a video encoding method, a video decoding method, and a device using the same, and the video encoding method according to the present invention comprises the steps of: specifying a tile and a slice by partitioning an inputted picture; performing encoding on the basis of the tile and the slice; and transmitting the encoded video information, wherein the picture is partitioned into one or more tiles and one or more slices, and the restrictions for parallel processing can be applied to the tiles and the slices.

公开(公告)号：US11729392B2

公开(公告)日：2023-08-15

申请号：US17571040

申请日：2022-01-07

Applicant: LG ELECTRONICS INC.

Inventor： Hendry Hendry ,  Jungsun Kim ,  Chulkeun Kim ,  Byeongmoon Jeon ,  Sangoh Jeong

IPC: H04N19/13 ,  H04N19/91 ,  H04N19/112 ,  H04N19/129 ,  H04N19/167 ,  H04N19/174 ,  H04N19/176 ,  H04N19/70 ,  H04N19/119

CPC classification number: H04N19/13 ,  H04N19/112 ,  H04N19/129 ,  H04N19/167 ,  H04N19/174 ,  H04N19/176 ,  H04N19/91 ,  H04N19/119 ,  H04N19/70

Abstract: The present invention relates to a video encoding method, to a video decoding method, and to an apparatus using same. The video encoding method according to the present invention comprises the steps of: setting a tile and a slice for the inputted current picture; performing encoding based on the tile and the slice; and a step of transmitting the encoded video information. The current picture may include one or more tiles and one or more slices. The largest coding units (hereinafter, referred to as LCUs) in the slice may be arranged based on a tile scan.

公开(公告)号：US11172234B2

公开(公告)日：2021-11-09

申请号：US16848659

申请日：2020-04-14

Applicant: LG ELECTRONICS INC.

Inventor： Seungwook Park ,  Jaehyun Lim ,  Yongjoon Jeon ,  Chulkeun Kim ,  Jungsun Kim ,  Naeri Park ,  Hendry Hendry ,  Byeongmoon Jeon ,  Joonyoung Park

IPC: H04N19/86 ,  H04N19/159 ,  H04N19/176 ,  H04N19/134 ,  H04N19/14 ,  H04N19/117 ,  H04N19/82 ,  H04N19/136 ,  H04N19/196 ,  H04N19/172 ,  H04N19/60 ,  H04N19/61 ,  G06T5/00

Abstract: The present invention relates to a deblocking filtering method, a method for inducing bs (boundary strength) therefor, and a method and an apparatus for encoding/decoding using the same. The method for inducing the bS of the present invention comprises the steps of: inducing a boundary of a deblocking filtering unit block as a unit block for applying the deblocking filtering; and setting the bS according to each bS setting unit block within the deblocking filtering unit block, wherein the bS setting step can set a bS value for a target boundary corresponding to a boundary of the deblocking filtering unit block as the bs setting unit block.

公开(公告)号：US11102511B2

公开(公告)日：2021-08-24

申请号：US16875199

申请日：2020-05-15

Applicant: LG Electronics Inc.

Inventor： Jaehyun Lim ,  Seungwook Park ,  Yongjoon Jeon ,  Jungsun Kim ,  Hendry Hendry ,  Byeongmoon Jeon ,  Joonyoung Park ,  Chulkeun Kim ,  Naeri Park

IPC: H04N19/593 ,  H04N19/426 ,  H04N19/176 ,  H04N19/11 ,  H04N19/463 ,  H04N19/117 ,  H04N19/122 ,  H04N19/124 ,  H04N19/129 ,  H04N19/13 ,  H04N19/159 ,  H04N19/174 ,  H04N19/44 ,  H04N19/61 ,  H04N19/625 ,  H04N19/82 ,  H04N19/96

Abstract: A method for intra prediction comprises determining a first MPM candidate corresponding to a left-side candidate block on the basis of a position of the left-side candidate block adjacent to a left side of a current block; determining a second MPM candidate corresponding to an upper-end candidate block on the basis of a position of the upper-end candidate block adjacent to an upper end of the current block; generating an MPM candidate list including a plurality of MPM candidates, on the basis of the first MPM candidate and the second MPM candidate; and determining one MPM candidate of the plurality of the MPM candidates that constitute the MPM candidate list as an intra prediction mode of the current block, and performing intra prediction for the current block on the basis of the determined intra prediction mode to generate a prediction block corresponding to the current block.

公开(公告)号：US11051041B2

公开(公告)日：2021-06-29

申请号：US16534693

申请日：2019-08-07

Applicant: LG Electronics Inc.

Inventor： Jaehyun Lim ,  Seungwook Park ,  Yongjoon Jeon ,  Chulkeun Kim ,  Jungsun Kim ,  Naeri Park ,  Hendry Hendry ,  Byeongmoon Jeon ,  Joonyoung Park

IPC: H04N19/61 ,  H04N19/86 ,  H04N19/82 ,  H04N19/124 ,  H04N19/13 ,  H04N19/176 ,  H04N19/182

Abstract: A method for image decoding, according to the present invention, includes the following steps: receiving image information including a plurality of filter coefficients; generating a restored block for a current block on the basis of the image information; and applying an adaptive loop filter to the restored block on the basis of the plurality of filter coefficients. According to the present invention, image encoding efficiency may be improved, and complexity may be reduced.

公开(公告)号：US10931960B2

公开(公告)日：2021-02-23

申请号：US16672290

申请日：2019-11-01

Applicant: LG Electronics Inc.

Inventor： Jungsun Kim ,  Joonyoung Park ,  Chulkeun Kim ,  Hendry Hendry ,  Byeongmoon Jeon

IPC: H04N19/44 ,  H04N19/503 ,  H04N19/184 ,  H04N19/176 ,  H04N19/124 ,  H04N19/91 ,  H04N19/463

Abstract: A method or coding image information, according to the present invention, comprises the steps of: binarizing according to different techniques, index values of forward prediction, backward prediction, and bidirectional prediction, depending on whether the bidirectional prediction is applied when inter-predicting a current block; and entropy coding a binarized codeword, wherein whether to apply the bidirectional prediction when inter-predicting the current block can be determined on the basis of the size of the current block. As a result, provided are a method for binarizing an inter-prediction direction of a prediction unit having a specific size, and an apparatus using same.

公开(公告)号：US10863178B2

公开(公告)日：2020-12-08

申请号：US16598984

申请日：2019-10-10

Applicant: LG ELECTRONICS INC.

Inventor： Hendry Hendry ,  Jungsun Kim ,  Chulkeun Kim ,  Byeongmoon Jeon ,  Sangoh Jeong

IPC: H04N19/13 ,  H04N19/91 ,  H04N19/112 ,  H04N19/129 ,  H04N19/167 ,  H04N19/174 ,  H04N19/176 ,  H04N19/70 ,  H04N19/119

Abstract: The present invention relates to a video encoding method, to a video decoding method, and to an apparatus using same. The video encoding method according to the present invention comprises the steps of: setting a tile and a slice for the inputted current picture; performing encoding based on the tile and the slice; and a step of transmitting the encoded video information. The current picture may include one or more tiles and one or more slices. The largest coding units (hereinafter, referred to as LCUs) in the slice may be arranged based on a tile scan.

公开(公告)号：US10791337B2

公开(公告)日：2020-09-29

申请号：US16406810

申请日：2019-05-08

Applicant: LG Electronics Inc.

Inventor： Hendry Hendry ,  Seungwook Park ,  Jaehyun Lim ,  Yongjoon Jeon ,  Chulkeun Kim ,  Jungsun Kim ,  Naeri Park ,  Byeongmoon Jeon ,  Joonyoung Park

IPC: H04N19/46 ,  H04N19/577 ,  H04N19/503 ,  H04N19/70 ,  H04N19/423 ,  H04N19/573 ,  H04N19/44

Abstract: The present invention relates to a method for signaling image information and to a decoding method using same. The method for signaling image information according to the present invention comprises: a step of performing inter-prediction for a current picture; and a step of signaling information including the result of said inter-prediction and reference picture information indicating reference pictures usable in said inter prediction, wherein said reference picture information contains pieces of picture order count (POC) information of said usable reference pictures. The POC information of said usable reference pictures in said reference picture information is configured such that POCs for the pictures existing before said current picture in terms of a POC sequence are located at the front, and POCs for the pictures existing after said current picture in terms of a POC sequence are located following the POCs located at the front.

公开(公告)号：US10750170B2

公开(公告)日：2020-08-18

申请号：US15737607

申请日：2016-02-02

Applicant: LG Electronics Inc.

Inventor： Chulkeun Kim ,  Junghak Nam

IPC: H04N19/117 ,  H04N19/105 ,  H04N19/13 ,  H04N19/82 ,  H04N19/85 ,  H04N19/174 ,  H04N19/176 ,  H04N19/172 ,  H04N19/124 ,  H04N19/513

Abstract: A picture filtering method performed by an encoding device, according to the present invention, comprises the steps of: deriving, from a current picture, regions for adaptive loop filtering (ALF); deciding ALF coefficients by picture unit or region unit; on the basis of the ALF coefficients, determining, by region unit, whether ALF is usable; re-deciding ALF coefficients for an ALF-usable first region; deriving a filter shape for the first region; on the basis of the re-decided ALF coefficients, determining, by unit of coding units (CUs) in the first region, whether ALF is usable; performing filtering for ALF-usable CUs on the basis of the derived filter shape and the re-decided ALF coefficients; and transmitting at least one among information on the ALF-usable first region and information on the ALF-usable CUs. According to the present invention, efficient filtering appropriate for image properties per region may be applied.

公开(公告)号：US10681364B2

公开(公告)日：2020-06-09

申请号：US16113703

申请日：2018-08-27

Applicant: LG ELECTRONICS INC.

Inventor： Hendry Hendry ,  Joonyoung Park ,  Yongjoon Jeon ,  Byeongmoon Jeon ,  Jungsun Kim ,  Jaehyun Lim ,  Chulkeun Kim ,  Naeri Park ,  Seungwook Park

IPC: H04N19/436 ,  H04N19/174 ,  H04N19/119 ,  H04N19/70

Abstract: The present invention relates to a video encoding method, a video decoding method, and a device using the same, and the video encoding method according to the present invention comprises the steps of: specifying a tile and a slice by partitioning an inputted picture; performing encoding on the basis of the tile and the slice; and transmitting the encoded video information, wherein the picture is partitioned into one or more tiles and one or more slices, and the restrictions for parallel processing can be applied to the tiles and the slices.