公开(公告)号：US20180041760A1

公开(公告)日：2018-02-08

申请号：US15550721

申请日：2016-02-04

Applicant: LG Electronics Inc.

Inventor： Moonmo KOO ,  Jin HEO ,  Eunyong SON ,  Sehoon YEA ,  Seungwook PARK ,  Kyuwoon KIM ,  Bumshik LEE

IPC: H04N19/14 ,  H04N19/61

Abstract: The present invention provides a method of decoding a video signal using graph-based transform comprising the steps: extracting prediction unit partition information of a current coding unit from the video signal; obtaining a graph-based transform kernel from predetermined table information based on the prediction unit partition information; and performing an inverse-transform of a transform unit using the graph-based transform kernel, wherein the graph-based transform kernel corresponds to at least one of the prediction unit partition information and an edge weight, and the edge weight is a predetermined value representing a correlation between pixels.

公开(公告)号：US20180027236A1

公开(公告)日：2018-01-25

申请号：US15551516

申请日：2016-02-17

Applicant: LG Electronics Inc.

Inventor： Yongjoon JEON ,  Jin HEO ,  Sunmi YOO

IPC: H04N19/129 ,  H04N19/159 ,  H04N19/176 ,  H04N19/44

CPC classification number: H04N19/129 ,  H04N19/12 ,  H04N19/159 ,  H04N19/17 ,  H04N19/176 ,  H04N19/44 ,  H04N19/593 ,  H04N19/70 ,  H04N19/96

Abstract: A method for decoding a video signal including extracting an intra prediction mode of a current block from the video signal; generating a prediction block based on scan order information corresponding to the intra prediction mode; and reconstructing the current block by using the generated prediction block and a residual block, and the scan order information is determined based on a direction of the intra prediction mode.

公开(公告)号：US20160295240A1

公开(公告)日：2016-10-06

申请号：US15028806

申请日：2014-10-20

Applicant: LG ELECTRONICS INC.

Inventor： Taesup KIM ,  Sehoon YEA ,  Jin HEO ,  Jungdong SEO ,  Sunmi YOO ,  Junghak NAM

IPC: H04N19/597 ,  H04N19/176 ,  H04N19/513 ,  H04N19/105 ,  H04N19/139

CPC classification number: H04N19/597 ,  H04N19/105 ,  H04N19/119 ,  H04N19/137 ,  H04N19/139 ,  H04N19/176 ,  H04N19/513 ,  H04N19/521

Abstract: The present invention relates to a method for constituting a merge candidate list by using a view synthesis prediction (VSP) and the like in multi-view video coding. The method for constituting the merge candidate list according to the present invention comprises the steps of: determining a prediction mode for a current block; inducing, as a merge candidate, motion information from neighboring blocks of the current block when the prediction mode for the current block is a merge mode or a skip mode; and constituting the merge candidate list by using the motion information of the neighboring blocks and the deep parity information induced from the neighboring blocks of the current block.

Abstract translation: 本发明涉及一种通过在多视点视频编码中使用视图合成预测（VSP）等来构成合并候选列表的方法。 根据本发明的用于构成合并候选列表的方法包括以下步骤：确定当前块的预测模式; 当当前块的预测模式是合并模式或跳过模式时，将来自当前块的相邻块的运动信息作为合并候选; 并通过使用相邻块的运动信息和从当前块的相邻块引起的深奇偶校验信息来构成合并候选列表。

公开(公告)号：US20160037179A1

公开(公告)日：2016-02-04

申请号：US14783345

申请日：2014-04-11

Applicant: LG ELECTRONICS INC.

Inventor： Jin HEO ,  Taesup KIM ,  Jiwook JUNG ,  Sehoon YEA

IPC: H04N19/513 ,  H04N19/176 ,  H04N19/597 ,  H04N19/44

CPC classification number: H04N19/513 ,  H04N19/176 ,  H04N19/44 ,  H04N19/52 ,  H04N19/597

Abstract: The present invention relates to a video signal processing method and device capable of: obtaining a reference view block by using a predetermined motion vector; obtaining the depth value of a reference block which corresponds to the reference view block; obtaining an inter-view motion vector for a current block by using at least one depth value of the reference depth block; and decoding the current block by using the inter-view motion vector.

Abstract translation: 本发明涉及一种视频信号处理方法和装置，其能够：通过使用预定的运动矢量来获得参考视图块; 获得与参考视图块相对应的参考块的深度值; 通过使用参考深度块的至少一个深度值来获得当前块的视角间运动矢量; 并通过使用视角间的运动矢量解码当前块。

公开(公告)号：US20150358616A1

公开(公告)日：2015-12-10

申请号：US14759383

申请日：2014-01-08

Applicant: LG ELECTRONICS INC.

Inventor： Jin HEO ,  Jiwook JUNG ,  Sehoon YEA ,  Moonmo KOO ,  Taesup KIM ,  Jaewon SUNG ,  Eunyong SON

IPC: H04N19/105 ,  H04N19/44 ,  H04N19/597 ,  H04N19/176 ,  H04N19/52

CPC classification number: H04N19/105 ,  H04N19/176 ,  H04N19/44 ,  H04N19/52 ,  H04N19/597

Abstract: The present invention relates to a method and an apparatus for coding a video signal, and more specifically, a motion vector between viewpoints is obtained by using a depth value of a depth block, which corresponds to a current texture block, and an illumination difference is compensated. By obtaining the motion vector between the viewpoints by using the depth value of the depth block, which corresponds to the current texture block, and compensating the illumination difference, the present invention can obtain an accurate prediction value of the current texture block and thus increase accuracy in inter-prediction between the viewpoints.

Abstract translation: 本发明涉及一种用于对视频信号进行编码的方法和装置，更确切地说，通过使用与当前纹理块对应的深度块的深度值来获得视点之间的运动矢量，并且照度差是 补偿。 通过使用与当前纹理块对应的深度块的深度值并补偿照明差来获得视点之间的运动矢量，本发明可以获得当前纹理块的精确预测值，从而提高精度 在视点之间的相互预测。

公开(公告)号：US20250159180A1

公开(公告)日：2025-05-15

申请号：US19021641

申请日：2025-01-15

Applicant: LG Electronics Inc.

Inventor： Sunmi YOO ,  Jin HEO ,  Jungah CHOI ,  Seunghwan KIM

IPC: H04N19/132 ,  H04N19/159 ,  H04N19/176 ,  H04N19/196

Abstract: An image decoding method performed by a decoding device according to the present document comprises the steps of: deriving a context model for a sign flag of a current residual coefficient of a current block; and decoding the sign flag on the basis of the context model, wherein the context model for the sign flag is derived on the basis of a sign flag of a residual coefficient decoded before the current residual coefficient in the current block.

公开(公告)号：US20250080724A1

公开(公告)日：2025-03-06

申请号：US18951275

申请日：2024-11-18

Applicant: LG ELECTRONICS INC.

Inventor： Ling LI ,  Jin HEO ,  Seunghwan KIM

IPC: H04N19/105 ,  H04N19/132 ,  H04N19/159 ,  H04N19/176

Abstract: A video decoding method according to this document includes deriving a first candidate intra prediction mode based on a first neighboring block located on a left side of a current block, deriving a second candidate intra prediction mode based on a second neighboring block located on an upper side of the current block, constructing a most probable mode (MPM) list for the current block based on the first candidate intra prediction mode and the second candidate intra prediction mode, deriving an intra prediction mode for the current block based on the MPM list, generating predicted samples by performing prediction for the current block based on the intra prediction mode, and generating a reconstructed picture for the current block based on the predicted samples.

公开(公告)号：US20250008155A1

公开(公告)日：2025-01-02

申请号：US18883444

申请日：2024-09-12

Applicant: LG ELECTRONICS INC.

Inventor： Ling LI ,  Jin HEO ,  Seunghwan KIM

IPC: H04N19/593 ,  H04N19/11 ,  H04N19/119 ,  H04N19/132 ,  H04N19/136 ,  H04N19/176 ,  H04N19/70 ,  H04N21/431

Abstract: A method, performed by a digital device, for processing an image service according to the present document comprises the steps of: receiving image information; decoding a first image on the basis of the image information; processing the decoded first image to be displayed on a first area of a display screen; and processing a second image to be displayed on a second area of the display screen.

公开(公告)号：US20240373022A1

公开(公告)日：2024-11-07

申请号：US18778196

申请日：2024-07-19

Applicant: LG ELECTRONICS INC.

Inventor： Jungah CHOI ,  Sunmi YOO ,  Seunghwan KIM ,  Jangwon CHOI ,  Jin HEO

IPC: H04N19/124 ,  H04N19/132 ,  H04N19/172 ,  H04N19/176 ,  H04N19/18 ,  H04N19/184 ,  H04N19/60 ,  H04N19/70

Abstract: A method by which a decoding device decodes an image, according to the present invention, comprises the steps of: receiving a bitstream including residual information; deriving a quantized transform coefficient for a current block on the basis of the residual information included in the bitstream; deriving a residual sample for the current block on the basis of the quantized transform coefficient; and generating a restored picture on the basis of the residual sample for the current block.

公开(公告)号：US20240283937A1

公开(公告)日：2024-08-22

申请号：US18590546

申请日：2024-02-28

Applicant: LG ELECTRONICS INC.

Inventor： Sunmi YOO ,  Jangwon CHOI ,  Jin HEO

IPC: H04N19/132 ,  H04N19/122 ,  H04N19/176 ,  H04N19/61

CPC classification number: H04N19/132 ,  H04N19/122 ,  H04N19/176 ,  H04N19/61

Abstract: A method for decoding an image by a decoding apparatus according to the present invention comprises the steps of: deriving predicted samples by performing prediction on a current block; determining whether the current block is to be divided, on the basis of a size and a maximum transform size of the current block; when the current block is determined to be divided, dividing the current block into transform blocks; deriving transform coefficients of the transform blocks; deriving residual samples by performing an inverse transform procedure for the transform coefficients; and generating a reconstructed picture on the basis of the residual samples and the predicted samples, wherein, when the size of the current block is larger than the maximum transform size, the current block is determined to be divided.