公开(公告)号：US09338453B2

公开(公告)日：2016-05-10

申请号：US14510496

申请日：2014-10-09

Applicant: LG Electronics Inc.

Inventor： Seung Wook Park ,  Ji Ho Park ,  Byeong Moon Jeon

IPC: H04N7/12 ,  H04N19/583 ,  H04N19/70 ,  H04N19/46 ,  H04N19/63 ,  H04N19/61 ,  H04N19/33 ,  H04N19/31 ,  H04N19/615 ,  H04N19/159 ,  H04N19/176 ,  H04N19/51 ,  H04N19/13 ,  H04N19/42

CPC classification number: H04N19/51 ,  H04N19/13 ,  H04N19/159 ,  H04N19/176 ,  H04N19/31 ,  H04N19/33 ,  H04N19/42 ,  H04N19/46 ,  H04N19/61 ,  H04N19/615 ,  H04N19/63 ,  H04N19/70

Abstract: The present invention relates to encoding and decoding a video signal by motion compensated temporal filtering. In one embodiment, a first sequence of frames are decoded by inverse motion compensated temporal filtering by selectively adding to a first image block in the first sequence image information, the image information being based on at least one of (1) a second image block from the first sequence and (2) a third image block from an auxiliary sequence of frames.

公开(公告)号：US09167249B2

公开(公告)日：2015-10-20

申请号：US14042912

申请日：2013-10-01

Applicant: LG Electronics Inc.

Inventor： Seung Wook Park ,  Jung Sun Kim ,  Young Hee Choi ,  Byeong Moon Jeon ,  Joon Young Park

IPC: H04N11/02 ,  H04N19/583 ,  H04N19/176 ,  H04N19/172 ,  H04N19/51 ,  H04N19/61 ,  H04N19/11 ,  H04N19/107 ,  H04N19/44 ,  H04N19/86

CPC classification number: H04N19/51 ,  H04N19/107 ,  H04N19/11 ,  H04N19/172 ,  H04N19/176 ,  H04N19/18 ,  H04N19/44 ,  H04N19/61 ,  H04N19/86

Abstract: The present invention relates to a video signal decoding method for adding an intra prediction mode as a sub-macroblock type to prediction of a macroblock in coding a video signal. Some implementations may include obtaining a macroblock type, when a macroblock includes the intra prediction coded sub-macroblock and the inter prediction coded sub-macroblock based on the macroblock type, obtaining prediction mode flag information indicating whether the sub-macroblock is the intra prediction coded or the inter prediction coded, and obtaining a prediction value of the sub-macroblock. Accordingly, implementations disclosed herein may raise coding efficiency of video signal by adding an intra prediction mode as a sub-macroblock type in predicting a macroblock.

Abstract translation: 本发明涉及用于将帧内预测模式作为子宏块类型添加到对编码视频信号的宏块进行预测的视频信号解码方法。 一些实现可以包括：当宏块包括基于宏块类型的帧内预测编码子宏块和帧间预测编码子宏块时获得宏块类型，获得指示子宏块是帧内预测编码的预测模式标志信息 或帧间预测编码，并获得子宏块的预测值。 因此，本文公开的实现方式可以通过在预测宏块中添加帧内预测模式作为子宏块类型来提高视频信号的编码效率。

公开(公告)号：US08761242B2

公开(公告)日：2014-06-24

申请号：US13914220

申请日：2013-06-10

Applicant: LG Electronics Inc. ,  Korea Advanced Institute of Science and Technology

Inventor： Byeong Moon Jeon ,  Seung Wook Park ,  Joon Young Park ,  Jae Won Sung ,  Hyun Wook Park ,  Jee Hong Lee ,  Jin Young Lee ,  Dong San Jun ,  Yinji Piao

IPC: H04N7/26

CPC classification number: H04N19/55 ,  G06F1/00 ,  G06K9/00 ,  H04N19/00 ,  H04N19/11 ,  H04N19/132 ,  H04N19/139 ,  H04N19/147 ,  H04N19/176 ,  H04N19/182 ,  H04N19/19 ,  H04N19/51 ,  H04N19/513 ,  H04N19/52 ,  H04N19/56 ,  H04N19/593 ,  H04N19/70 ,  H04N19/80

Abstract: The present invention includes determining a motion vector candidate set of a current block, obtaining motion vector indication information of a current block from a video signal, extracting a motion vector candidate corresponding to a motion vector indication information from a motion vector candidate set, determining a predicted motion vector of a current block based on the extracted motion vector candidate, and performing motion compensation on a current block based on a predicted motion vector.

Abstract translation: 本发明包括确定当前块的运动矢量候选组，从视频信号获取当前块的运动矢量指示信息，从运动矢量候选组提取与运动矢量指示信息相对应的运动矢量候选，确定 基于所提取的运动矢量候选对当前块的预测运动矢量，并且基于预测的运动矢量对当前块执行运动补偿。

公开(公告)号：US08750368B2

公开(公告)日：2014-06-10

申请号：US13913948

申请日：2013-06-10

Applicant: LG Electronics Inc. ,  Korea Advanced Institute of Science and Technology

Inventor： Byeong Moon Jeon ,  Seung Wook Park ,  Joon Young Park ,  Jae Won Sung ,  Hyun Wook Park ,  Jee Hong Lee ,  Jin Young Lee ,  Dong San Jun ,  Yinji Piao

IPC: H04N7/26

CPC classification number: H04N19/55 ,  G06F1/00 ,  G06K9/00 ,  H04N19/00 ,  H04N19/11 ,  H04N19/132 ,  H04N19/139 ,  H04N19/147 ,  H04N19/176 ,  H04N19/182 ,  H04N19/19 ,  H04N19/51 ,  H04N19/513 ,  H04N19/52 ,  H04N19/56 ,  H04N19/593 ,  H04N19/70 ,  H04N19/80

Abstract: The present invention includes determining a motion vector candidate set of a current block, deriving a predicted motion vector of a current block from a motion vector candidate set, deriving a motion vector of a current block based on a predicted motion vector and a motion vector difference of a current block, and performing motion compensation on a current block based on a motion vector.

Abstract translation: 本发明包括确定当前块的运动矢量候选组，从运动矢量候选组导出当前块的预测运动矢量，基于预测的运动矢量和运动矢量差导出当前块的运动矢量 并且基于运动矢量对当前块执行运动补偿。

公开(公告)号：US11665360B2

公开(公告)日：2023-05-30

申请号：US17563914

申请日：2021-12-28

Applicant: LG ELECTRONICS INC.

Inventor： Joon Young Park ,  Seung Wook Park ,  Jung Sun Kim ,  Young Hee Choi ,  Byeong Moon Jeon

IPC: H04N19/44 ,  H04N19/70 ,  H04N19/196 ,  H04N19/11 ,  H04N19/176 ,  H04N19/587 ,  H04N19/61 ,  H04N19/184

CPC classification number: H04N19/44 ,  H04N19/11 ,  H04N19/176 ,  H04N19/184 ,  H04N19/196 ,  H04N19/587 ,  H04N19/61 ,  H04N19/70

Abstract: The present invention includes obtaining block type identification information on a partition of the current macroblock when the current macroblock is intra-mixed, specifying a bock type of the current macroblock based on the block type identification information, obtaining an ultra prediction mode of the current macroblock according to the block type of the partition of the current macroblock, and predicting the current macroblock using the intra prediction mode and a pixel value of a neighboring block.

公开(公告)号：US11303893B2

公开(公告)日：2022-04-12

申请号：US17158695

申请日：2021-01-26

Applicant: LG ELECTRONICS INC.

Inventor： Seung Wook Park ,  Jae Hyun Lim ,  Jung Sun Kim ,  Joon Young Park ,  Young Hee Choi ,  Byeong Moon Jeon ,  Yong Joon Jeon

IPC: H04N19/117 ,  H04N19/70 ,  H04N19/14 ,  H04N19/186 ,  H04N19/82 ,  H04N19/13 ,  H04N19/139 ,  H04N19/176 ,  H04N19/91

Abstract: The present invention relates to an image information encoding and decoding method and a device for same. One embodiment of an image information encoding method according to the present invention, as an image information encoding method according to another embodiment of the present invention, includes the steps of: generating a restore block; applying a deblocking filter on the restore block; applying a Sample Adaptive Offset (SAO) on the restore block having the deblocking filter applied thereon; and transmitting information on the SAO application. During the applying of the SAO, the SAO is applied to chroma pixels, and during the transmitting of the information, in addition to information on whether the SAO is applied on the chroma pixels, at least one of area information, division information on the SAO coverage area, SAO type information, and SAO offset information is transmitted.

公开(公告)号：US11159815B2

公开(公告)日：2021-10-26

申请号：US16658628

申请日：2019-10-21

Applicant: LG ELECTRONICS INC.

Inventor： Seung Wook Park ,  Jung Sun Kim ,  Yong Hee Choi ,  Byeong Moon Jeon ,  Joon Young Park

IPC: H04N11/02 ,  H04N19/51 ,  H04N19/18 ,  H04N19/176 ,  H04N19/172 ,  H04N19/61 ,  H04N19/11 ,  H04N19/107 ,  H04N19/44 ,  H04N19/86

Abstract: The present invention relates to a video signal decoding method for adding an intra prediction mode as a sub-macroblock type to prediction of a macroblock in coding a video signal. Some implementations may include obtaining a macroblock type, when a macroblock includes the intra prediction coded sub-macroblock and the inter prediction coded sub-macroblock based on the macroblock type, obtaining prediction mode flag information indicating whether the sub-macroblock is the intra prediction coded or the inter prediction coded, and obtaining a prediction value of the sub-macroblock. Accordingly, implementations disclosed herein may raise coding efficiency of video signal by adding an intra prediction mode as a sub-macroblock type in predicting a macroblock.

公开(公告)号：US11102491B2

公开(公告)日：2021-08-24

申请号：US16805528

申请日：2020-02-28

Applicant: LG ELECTRONICS INC.

Inventor： Yong Joon Jeon ,  Seung Wook Park ,  Jung Sun Kim ,  Joon Young Park ,  Byeong Moon Jeon ,  Jae Hyun Lim

IPC: G06K9/00 ,  H04N19/159 ,  H04N19/176 ,  H04N19/593 ,  H04N19/117 ,  H04N19/86 ,  H04N19/00 ,  H04N19/82 ,  H04N19/105

Abstract: An intra prediction method and a device using the intra prediction method are provided. The intra prediction method includes the steps of: deriving a current prediction mode as a prediction anode of a current block; constructing neighboring samples of the current block with available reference samples; filtering the available reference samples; and generating predicted samples of the current block on the basis of the filtered available reference samples. The filtering step includes performing the filtering using the available reference sample located in the prediction direction of the current prediction mode and a predetermined number of available reference samples neighboring to the prediction direction of the current prediction mode.

公开(公告)号：US20210152822A1

公开(公告)日：2021-05-20

申请号：US17158695

申请日：2021-01-26

Applicant: LG ELECTRONICS INC.

Inventor： Seung Wook Park ,  Jae Hyun Lim ,  Jung Sun Kim ,  Joon Young Park ,  Young Hee Choi ,  Byeong Moon Jeon ,  Yong Joon Jeon

IPC: H04N19/117 ,  H04N19/70 ,  H04N19/14 ,  H04N19/186 ,  H04N19/82 ,  H04N19/13 ,  H04N19/139 ,  H04N19/176 ,  H04N19/91

Abstract: The present invention relates to an image information encoding and decoding method and a device for same. One embodiment of an image information encoding method according to the present invention, as an image information encoding method according to another embodiment of the present invention, includes the steps of: generating a restore block; applying a deblocking filter on the restore block; applying a Sample Adaptive Offset (SAO) on the restore block having the deblocking filter applied thereon; and transmitting information on the SAO application. During the applying of the SAO, the SAO is applied to chroma pixels, and during the transmitting of the information, in addition to information on whether the SAO is applied on the chroma pixels, at least one of area information, division information on the SAO coverage area, SAO type information, and SAO offset information is transmitted.

公开(公告)号：US10999598B2

公开(公告)日：2021-05-04

申请号：US16740822

申请日：2020-01-13

Applicant: LG Electronics Inc.

Inventor： Joon Young Park ,  Seung Wook Park ,  Jae Hyun Lim ,  Jung Sun Kim ,  Young Hee Choi ,  Byeong Moon Jeon ,  Yong Joon Jeon

IPC: H04N19/56 ,  H04N19/52 ,  H04N19/513 ,  H04N19/107 ,  H04N19/117 ,  H04N19/124 ,  H04N19/139 ,  H04N19/176 ,  H04N19/44 ,  H04N19/61

Abstract: A method for selecting a motion vector predictor is provided. The method of selecting a motion vector predictor includes the steps of selecting motion vector predictor candidates for a current block and selecting a motion vector predictor of the current block out of the motion vector predictor candidates, wherein the motion vector predictor candidates for the current block include a motion vector of a first candidate block which is first searched for as an available block out of left neighboring blocks of the current block and a motion vector of a second candidate block which is first searched for as an available block out of upper neighboring blocks of the current block.