公开(公告)号：US20160255369A1

公开(公告)日：2016-09-01

申请号：US15028649

申请日：2014-10-20

Applicant: LG ELECTRONICS INC.

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

IPC: H04N19/597 ,  H04N19/176 ,  H04N19/182 ,  H04N19/52

CPC classification number: H04N19/597 ,  H04N19/176 ,  H04N19/182 ,  H04N19/52

Abstract: The present invention relates to a video decoding apparatus and method for decoding a multi-view video, and the method for decoding a video, according to the present invention, is the video decoding method for decoding a multi-view video, comprising the steps of: inducing video information required for decoding a current block by entropy-decoding a bitstream; inducing a first disparity vector based on a neighboring block of the current block in the same view by using the video information, inducing a second disparity vector by using the first disparity vector and a reference view depth, and inducing a third disparity vector using the difference between the first disparity vector and the second disparity vector; inducing a prediction sample of the current block by using one of the first disparity vector, the second disparity vector, or the third disparity vector; and applying filtering to a current picture which has been restored using the prediction sample.

Abstract translation: 本发明涉及用于解码多视点视频的视频解码装置和方法，以及根据本发明的解码视频的方法，是用于对多视点视频进行解码的视频解码方法，包括以下步骤： ：通过对比特流进行熵解码来诱导解码当前块所需的视频信息; 通过使用视频信息在同一视图中基于当前块的相邻块来诱导第一视差向量，通过使用第一视差向量和参考视图深度来诱导第二视差向量，并且使用差异来诱导第三视差矢量 在第一视差矢量和第二视差矢量之间; 通过使用第一视差矢量，第二视差矢量或第三视差矢量中的一个来诱导当前块的预测采样; 并对使用预测样本恢复的当前图像应用滤波。

公开(公告)号：US20160249066A1

公开(公告)日：2016-08-25

申请号：US15026152

申请日：2014-10-20

Applicant: LG ELECTRONICS INC.

Inventor： Jin HEO ,  Sunmi YOO ,  Sehoon YEA

IPC: H04N19/597 ,  H04N19/176 ,  H04N19/117 ,  H04N19/91

CPC classification number: H04N19/597 ,  H04N19/117 ,  H04N19/176 ,  H04N19/463 ,  H04N19/513 ,  H04N19/70 ,  H04N19/82 ,  H04N19/91

Abstract: The present invention relates to a method and an apparatus for coding a multi-view video, and a decoding apparatus according to the present invention comprises: an entropy-decoding unit for entropy-decoding a bitstream and decoding information related to residual prediction by referencing neighboring blocks of a current block; a memory for saving pictures referenced when decoding the current block; a prediction unit for inducing a prediction sample of the current block, based on the difference between sample values of a first block and a second block corresponding to the current block, from among the pictures saved to the memory, by using the residual-related information; and a filtering unit for applying filtering to a current picture restored by using the prediction sample.

Abstract translation: 本发明涉及一种用于编码多视点视频的方法和装置，以及根据本发明的解码装置，包括：熵解码单元，用于对比特流进行熵解码，并通过参考邻域解码与剩余预测相关的信息 当前块的块; 用于保存解码当前块时参考的图像的存储器; 基于与当前块对应的第一块和第二块的采样值之间的差异，通过使用剩余相关信息，从保存到存储器的图像中，感应当前块的预测样本的预测单元 ; 以及滤波单元，用于对通过使用预测样本恢复的当前图像应用滤波。

公开(公告)号：US20160165259A1

公开(公告)日：2016-06-09

申请号：US14903920

申请日：2014-07-18

Applicant: LG ELECTRONICS INC.

Inventor： Junghak NAM ,  Sehoon YEA ,  Taesup KIM ,  Sunmi YOO ,  Jiwook JUNG ,  Jin HEO

IPC: H04N19/52 ,  H04N19/176 ,  H04N19/136

CPC classification number: H04N19/52 ,  H04N19/136 ,  H04N19/176 ,  H04N19/533 ,  H04N19/597

Abstract: The present invention relates to a method and an apparatus for processing a video signal, capable of: obtaining a temporary inter-view motion vector corresponding to a first unit; obtaining virtual depth information corresponding to the first unit by using the temporary inter-view motion vector; obtaining an inter-view motion vector corresponding to the first unit by using the virtual depth information corresponding to the first unit; and updating the inter-view motion vector corresponding to the first unit.

Abstract translation: 本发明涉及一种用于处理视频信号的方法和装置，其能够：获得对应于第一单元的临时视角间运动矢量; 通过使用临时的视角间运动矢量来获得与第一单元相对应的虚拟深度信息; 通过使用与第一单元对应的虚拟深度信息来获得与第一单元相对应的视角间运动矢量; 以及更新与第一单元相对应的视角间运动矢量。

公开(公告)号：US20160050437A1

公开(公告)日：2016-02-18

申请号：US14780781

申请日：2014-04-09

Applicant: LG ELECTRONICS INC.

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

IPC: H04N19/597 ,  H04N19/176

CPC classification number: H04N19/597 ,  H04N19/176

Abstract: A video signal processing method according to the present invention comprises: obtaining a depth prediction value of a current block; recovering a depth residual per sample of the current block according to an SDC mode indicator; and recovering a depth value of the current block using the depth prediction value and the recovered depth residual. The present invention adaptively uses an SDC mode according to an SDC mode indicator and further uses an SDC mode and/or depth lookup table, thereby increasing encoding efficiency for depth data.

Abstract translation: 根据本发明的视频信号处理方法包括：获得当前块的深度预测值; 根据SDC模式指示器恢复当前块的每个样本的深度残差; 以及使用深度预测值和恢复的深度残差来恢复当前块的深度值。 本发明根据SDC模式指示符自适应地使用SDC模式，并进一步使用SDC模式和/或深度查找表，从而提高深度数据的编码效率。

公开(公告)号：US20160007043A1

公开(公告)日：2016-01-07

申请号：US14441142

申请日：2013-11-07

Applicant: LG ELECTRONICS INC.

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

IPC: H04N19/597 ,  H04N19/593 ,  H04N19/52

CPC classification number: H04N19/597 ,  H04N13/00 ,  H04N13/161 ,  H04N19/52 ,  H04N19/593 ,  H04N2213/003

Abstract: The method for processing a multiview video signal according to the present invention acquires motion information generated by predictively coding a picture of a reference point, acquires motion information on a part of a block of the picture from among the motion information generated by predictively coding the picture of a non-reference point, and compresses the motion information acquired for every picture of the reference point and non-reference point and stores the compressed motion information.

Abstract translation: 根据本发明的用于处理多视角视频信号的方法获取通过对参考点的图像进行预测编码而生成的运动信息，从通过对图像进行预测编码而生成的运动信息中获取关于图像块的一部分的运动信息 并且压缩对参考点和非参考点的每个图像获取的运动信息，并存储压缩的运动信息。

公开(公告)号：US20240406388A1

公开(公告)日：2024-12-05

申请号：US18798302

申请日：2024-08-08

Applicant: LG Electronics Inc.

Inventor： Ling LI ,  Jin HEO

IPC: H04N19/11 ,  H04N19/117 ,  H04N19/176

Abstract: An image decoding method is disclosed. The image decoding method includes obtaining intra prediction mode information of a current block from a bitstream, determining an intra prediction mode of the current block based on the intra prediction mode information and an intra prediction mode of a neighboring block located around the current block, deriving a value of a first filter flag for use of filtering of an intra prediction reference sample of the current block based on coding parameters for the current block, selecting an interpolation filter to be used for intra prediction of the current block based on the first filter flag, and generating an intra prediction block of the current block using the selected interpolation filter.

公开(公告)号：US20240348776A1

公开(公告)日：2024-10-17

申请号：US18603760

申请日：2024-03-13

Applicant: LG Electronics Inc.

Inventor： Jangwon CHOI ,  Jin HEO ,  Seunghwan KIM ,  Jaehyun LIM ,  Ling LI

IPC: H04N19/11 ,  H04N19/105 ,  H04N19/176 ,  H04N19/593

CPC classification number: H04N19/11 ,  H04N19/105 ,  H04N19/176 ,  H04N19/593

Abstract: According to embodiments of the present document, an intra-prediction mode candidate list of a current block can be constructed by means of a process of constructing a common intra-prediction mode list with respect to intra-prediction types. Therefore, the dependency of the intra-prediction types in the process of constructing the intra-prediction mode list is reduced, and thus the coding efficiency of an intra-prediction can be enhanced.

公开(公告)号：US20240283929A1

公开(公告)日：2024-08-22

申请号：US18654364

申请日：2024-05-03

Applicant: LG Electronics Inc.

Inventor： Ling LI ,  Jung Hak NAM ,  Jaehyun LIM ,  Jin HEO ,  Seung Hwan KIM

IPC: H04N19/117 ,  H04N19/186 ,  H04N19/423 ,  H04N19/70 ,  H04N19/82

CPC classification number: H04N19/117 ,  H04N19/186 ,  H04N19/423 ,  H04N19/70 ,  H04N19/82

Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method performed by an image decoding apparatus may include determining a chroma array type of a current image, determining an adaptive loop filter (ALF) indicator of a chroma component based on the chroma array type, and performing ALF filtering with respect to a reconstructed image based on a value of the ALF indicator. The value of the ALF indicator may be determined to be a predetermined value without being obtained from a bitstream, based on the chroma array type being a predetermined type, and the value of the ALF indicator may be obtained from the bitstream, based on the chroma array type being not the predetermined type.

公开(公告)号：US20240275976A1

公开(公告)日：2024-08-15

申请号：US18644461

申请日：2024-04-24

Applicant: LG Electronics Inc.

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

IPC: H04N19/132 ,  H04N19/12 ,  H04N19/159 ,  H04N19/176 ,  H04N19/70

CPC classification number: H04N19/132 ,  H04N19/12 ,  H04N19/159 ,  H04N19/176 ,  H04N19/70

Abstract: A method for decoding a video performed by a decoding device according to the present document is characterized by comprising: a step for acquiring video information including prediction mode information and residual information through a bitstream; a step for deriving a prediction mode of a current block on the basis of the prediction mode information; a step for deriving a prediction sample on the basis of the prediction mode; a step for deriving a current residual coefficient on the basis of residual syntax elements for the current residual coefficient in the current block; a step for deriving a residual sample on the basis of the current residual coefficient; and a step for deriving a reconstructed sample of the current block on the basis of the prediction sample and the residual sample.

公开(公告)号：US20240137501A1

公开(公告)日：2024-04-25

申请号：US18377577

申请日：2023-10-05

Applicant: LG Electronics Inc.

Inventor： Jin HEO ,  Sunmi Yoo ,  Ling Li ,  Jangwon Choi ,  Jungah Choi

IPC: H04N19/11 ,  H04N19/105 ,  H04N19/132 ,  H04N19/176 ,  H04N19/593

CPC classification number: H04N19/11 ,  H04N19/105 ,  H04N19/132 ,  H04N19/176 ,  H04N19/593

Abstract: An image decoding method according to the present document derives a left mode, which is a candidate intra prediction mode for a left peripheral block of a current block, derives an upper mode, which is a candidate intra prediction mode for an upper peripheral block of the current block, constructs an MPM list on the basis of the left mode and the upper mode, derives an intra prediction mode of the current block on the basis of the MPM list, generates prediction samples of the current block on the basis of the intra prediction mode, generates a restoration picture of the current block on the basis of the prediction samples, and derives the left mode or the upper mode as one from among candidate intra prediction modes of the MPM list, on the basis of when the left mode and the upper mode are not the same and the left mode and the upper mode are respectively a planar mode and a DC mode.