公开(公告)号：US20200336761A1

公开(公告)日：2020-10-22

申请号：US16922830

申请日：2020-07-07

Applicant: LG ELECTRONICS INC.

Inventor： Joonyoung Park ,  Seungwook Park ,  Jaehyun Lim ,  Jungsun Kim ,  Younghee Choi ,  Jaewon Sung ,  Byeongmoon Jeon ,  Yongjoon Jeon

IPC: H04N19/55 ,  H04N19/52 ,  H04N19/61 ,  H04N19/176 ,  H04N19/593 ,  H04N19/625 ,  H04N19/172 ,  H04N19/184 ,  H04N19/513

Abstract: The present invention relates to a method and apparatus for processing a video signal, which can increase the accuracy of the motion vector prediction through motion vector scaling which takes a difference in the temporal distance between reference pictures into consideration. To this end, the present invention provides a video signal processing method and a video signal processing apparatus using the same, and the method comprises the steps of: scaling at least one neighboring partition motion vector for a motion vector prediction of the current partition; scaling the neighboring partition motion vector, which has been selected, when the reference picture of the neighboring partition motion vector is different from the reference picture of the current partition; acquiring a motion vector prediction value of the current partition using the scaled motion vector; and acquiring a motion vector of the current partition using the motion vector prediction value.

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：US10743021B2

公开(公告)日：2020-08-11

申请号：US16513198

申请日：2019-07-16

Applicant: LG ELECTRONICS INC.

Inventor： Joonyoung Park ,  Seungwook Park ,  Jaehyun Lim ,  Jungsun Kim ,  Younghee Choi ,  Jaewon Sung ,  Byeongmoon Jeon ,  Yongjoon Jeon

IPC: H04N19/55 ,  H04N19/52 ,  H04N19/61 ,  H04N19/176 ,  H04N19/593 ,  H04N19/625 ,  H04N19/172 ,  H04N19/184 ,  H04N19/513

Abstract: The present invention relates to a method and apparatus for processing a video signal, which can increase the accuracy of the motion vector prediction through motion vector scaling which takes a difference in the temporal distance between reference pictures into consideration. To this end, the present invention provides a video signal processing method and a video signal processing apparatus using the same, and the method comprises the steps of: scaling at least one neighboring partition motion vector for a motion vector prediction of the current partition; scaling the neighboring partition motion vector, which has been selected, when the reference picture of the neighboring partition motion vector is different from the reference picture of the current partition; acquiring a motion vector prediction value of the current partition using the scaled motion vector; and acquiring a motion vector of the current partition using the motion vector prediction value.

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.

公开(公告)号：US10469862B2

公开(公告)日：2019-11-05

申请号：US16055622

申请日：2018-08-06

Applicant: LG ELECTRONICS INC.

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

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

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：US10448046B2

公开(公告)日：2019-10-15

申请号：US16163431

申请日：2018-10-17

Applicant: LG ELECTRONICS INC.

Inventor： Joonyoung Park ,  Seungwook Park ,  Jaehyun Lim ,  Jungsun Kim ,  Younghee Choi ,  Jaewon Sung ,  Byeongmoon Jeon ,  Yongjoon Jeon

IPC: H04N19/52 ,  H04N19/577 ,  H04N19/513 ,  H04N19/50 ,  H04N19/176 ,  H04N19/51 ,  H04N19/109 ,  H04N19/463 ,  H04N19/426 ,  H04N19/11

Abstract: A motion information storing method and a TMVP deriving method using the motion information storing method are provided. The motion information storing method includes a step of determining a representative block out of blocks of a motion data storage unit in a co-located picture with a current picture and a step of storing motion information of the representative block as motion information of the motion data storage unit, wherein the motion information of the representative block is used as motion information of the blocks included in the motion data storage unit.

公开(公告)号：US10397580B2

公开(公告)日：2019-08-27

申请号：US15942897

申请日：2018-04-02

Applicant: LG ELECTRONICS INC.

Inventor： Seungwook Park ,  Joonyoung Park ,  Jungsun Kim ,  Younghee Choi ,  Yongjoon Jeon ,  Jaewon Sung ,  Byeongmoon Jeon ,  Jaehyun Lim

IPC: H04N19/51 ,  H04N19/56 ,  H04N19/61 ,  H04N19/96 ,  H04N19/105 ,  H04N19/139 ,  H04N19/159 ,  H04N19/167 ,  H04N19/513

Abstract: The present invention discloses a method and apparatus for encoding or decoding a video signal. The method for processing a video signal according to the present invention uses a merging mode in which prediction information on a neighbor unit is used instead of transmitting prediction information on the present unit, so as to improve coding efficiency. In this case, the number of available candidate units for merging among the units in a predetermined position is determined, and information for the merging mode is acquired on the basis of the number of the available candidate units for merging. The unit to be merged is determined using the information for the merging mode, and prediction information on the unit to be merged is acquired. The prediction value for the present unit is acquired using the prediction information on the unit to be merged, and the present unit is restored using the acquired prediction value.

公开(公告)号：US10349082B2

公开(公告)日：2019-07-09

申请号：US15963787

申请日：2018-04-26

Applicant: LG Electronics Inc.

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

IPC: H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/593 ,  H04N19/176 ,  H04N19/61 ,  H04N19/11 ,  H04N19/463 ,  H04N19/426 ,  H04N19/117 ,  H04N19/122 ,  H04N19/124 ,  H04N19/129 ,  H04N19/13 ,  H04N19/159 ,  H04N19/174 ,  H04N19/44 ,  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：US20190200018A1

公开(公告)日：2019-06-27

申请号：US16292037

申请日：2019-03-04

Applicant: LG ELECTRONICS INC.

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

IPC: H04N19/13 ,  H04N21/6336 ,  H04N19/436 ,  H04N19/91

Abstract: The present invention relates to video encoding and decoding method and apparatus, and a video encoding method according to the present invention comprises the steps of: entropy-encoding quantized transform information; and transmitting the entropy-encoded information as a bitstream, wherein the bitstream includes information indicating pieces of information to be parallel decoded in byte units.

公开(公告)号：US10326988B2

公开(公告)日：2019-06-18

申请号：US14356314

申请日：2012-11-05

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 ,  H04N19/117 ,  H04N19/159 ,  H04N19/176 ,  H04N19/136 ,  H04N19/82

Abstract: A deblocking filtering method, a boundary strength (bS) deriving method, and encoding/decoding method and apparatus using the methods are provided. The bS deriving method includes the steps of: deriving a boundary of a deblocking filtering unit block which is a unit block on which deblocking filtering is performed; and setting a bS for each bS setting unit block in the deblocking filtering unit block. Here, the step of setting the bS includes setting a bS value of a target boundary corresponding to the boundary of the deblocking filtering unit block as the bS setting unit block.