公开(公告)号：US20180007388A1

公开(公告)日：2018-01-04

申请号：US15652078

申请日：2017-07-17

Applicant: LG ELECTRONICS INC.

Inventor： Jaewon SUNG ,  Sehoon YEA ,  Eunyong SON ,  Jiwook JUNG

IPC: H04N19/597 ,  H04N19/527 ,  H04N19/52 ,  H04N19/96 ,  H04N13/00

CPC classification number: H04N13/161 ,  H04N19/52 ,  H04N19/527 ,  H04N19/597 ,  H04N19/96 ,  H04N2013/0085

Abstract: A video decoding method that includes: receiving information for deriving motion information of a current block; deriving the motion information of the current block based on the received information for deriving the motion information; and performing prediction to generate predicted pixels of the current block based on the motion information of the current block, wherein the motion information of the current block is determined by using motion information of a reference block, wherein the reference block is determined based on a specific disparity vector, wherein the specific disparity vector is determined for an area in a picture to which the current block belongs, wherein the area which the specific disparity vector is determined is split based on a quad tree structure, and wherein the current block is a block of a texture picture and the reference block is a block in a reference view is disclosed.

公开(公告)号：US20170310993A1

公开(公告)日：2017-10-26

申请号：US15517712

申请日：2015-10-06

Applicant: LG ELECTRONICS INC.

Inventor： Junghak NAM ,  Sehoon YEA ,  Jungdong SEO ,  Sunmi YOO

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

CPC classification number: H04N19/597 ,  H04N13/161 ,  H04N19/44 ,  H04N19/513 ,  H04N19/52 ,  H04N2013/0081

Abstract: The present invention relates to 3D video coding device and method. A decoding method according to the present invention provides a 3D video decoding method. A decoding method comprises the steps of: deriving a disparity vector with respect to a current block; deriving the location of a corresponding sample on a reference view on the basis of the disparity vector; deriving the location of a reference sample on the basis of the location of the corresponding sample; and deriving movement information of a prediction block that covers the location of the reference sample. According to the present invention, when a corresponding block in a reference view is derived by means of a disparity vector, movement information of the corresponding block can be derived in accordance with movement information compression, a buffer load of an encoder and a decoder can be reduced, and coding efficiency can be enhanced by having the amount of information being processed reduced.

公开(公告)号：US20160360237A1

公开(公告)日：2016-12-08

申请号：US15106980

申请日：2014-12-22

Applicant: LG ELECTRONICS INC.

Inventor： Amir SAID ,  Onur Gonen GULERYUZ ,  Sehoon YEA

IPC: H04N19/91 ,  H04N19/154 ,  H04N19/147

CPC classification number: H04N19/91 ,  H04N19/11 ,  H04N19/124 ,  H04N19/126 ,  H04N19/13 ,  H04N19/147 ,  H04N19/15 ,  H04N19/154 ,  H04N19/176 ,  H04N19/192 ,  H04N19/46 ,  H04N19/593 ,  H04N19/61

Abstract: Disclosed herein is a method of encoding a video signal, comprising receiving an original video signal; comparing the original video signal with a previously reconstructed signal; generating a correction signal to minimize a sum of a distortion component and a rate component; and entropy-encoding the correction signal that is transmitted to the decoder for video signal reconstruction, wherein the previously reconstructed signal has been inverse-transformed by additionally using a scaling diagonal matrix.

Abstract translation: 本文公开了一种对视频信号进行编码的方法，包括：接收原始视频信号; 将原始视频信号与先前重建的信号进行比较; 生成校正信号以最小化失真分量和速率分量的和; 以及熵编码被发送到用于视频信号重建的解码器的校正信号，其中先前重构的信号已经通过另外使用缩放对角矩阵进行逆变换。

公开(公告)号：US20160337646A1

公开(公告)日：2016-11-17

申请号：US15107042

申请日：2014-12-22

Applicant: LG ELECTRONICS INC.

Inventor： Onur Gonen GULERYUZ ,  Amir SAID ,  Sehoon YEA

IPC: H04N19/147 ,  H04N19/593 ,  H04N19/176 ,  H04N19/124 ,  H04N19/13 ,  H04N19/126 ,  H04N19/61 ,  H04N19/15

CPC classification number: H04N19/91 ,  H04N19/11 ,  H04N19/124 ,  H04N19/126 ,  H04N19/13 ,  H04N19/147 ,  H04N19/15 ,  H04N19/154 ,  H04N19/176 ,  H04N19/192 ,  H04N19/46 ,  H04N19/593 ,  H04N19/61

Abstract: Disclosed herein is a method of encoding a video signal, comprising receiving an original video signal; comparing the original video signal with available reconstructed signals; generating a transform-coded correction signal based on a result of the comparison; generating a prediction signal based on the transform-coded correction signal and the available reconstructed signals; and reconstructing a signal by adding the transform-coded correction signal to the prediction signal.

Abstract translation: 本文公开了一种对视频信号进行编码的方法，包括：接收原始视频信号; 将原始视频信号与可用的重建信号进行比较; 基于比较结果生成变换编码校正信号; 基于所述变换编码校正信号和所述可用重建信号生成预测信号; 以及通过将变换编码校正信号加到预测信号上来重构信号。

公开(公告)号：US20160255371A1

公开(公告)日：2016-09-01

申请号：US15029941

申请日：2014-10-20

Applicant: LG ELECTRONICS INC.

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

IPC: H04N19/597 ,  H04N19/11

CPC classification number: H04N19/597 ,  H04N19/11 ,  H04N19/159 ,  H04N19/187

Abstract: The present invention provides a method for coding and decoding a 3D video comprising a depth-map picture. The method for coding a 3D video, according to one embodiment of the present invention, comprises the steps of: inducing a first index value with respect to a first sample of a current block by mapping a depth lookup table (DLT) on a predicted depth value of the first sample of the current block which has been induced based on an intra-prediction mode of the current block in a depth map picture; inducing a second index value with respect to the first sample of the current block by mapping the DLT on an original depth value of the first sample of the current block; inducing a residual index value between the first index value and the second index value with respect to the first sample of the current block; and transforming, quantizing, and entropy-coding the residual index value.

Abstract translation: 本发明提供了一种用于对包含深度图图像的3D视频进行编码和解码的方法。 根据本发明的一个实施例的用于对3D视频进行编码的方法包括以下步骤：通过将深度查找表（DLT）映射到预测深度上来引导相对于当前块的第一样本的第一索引值 基于深度图图像中的当前块的帧内预测模式感应的当前块的第一样本的值; 通过将DLT映射到当前块的第一样本的原始深度值上来，相对于当前块的第一样本来诱导第二索引值; 在所述第一指数值和所述第二指数值之间相对于所述当前块的所述第一样本感知剩余指数值; 并对剩余指标值进行变换，量化和熵编码。

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：US20160173903A1

公开(公告)日：2016-06-16

申请号：US14904638

申请日：2014-07-18

Applicant: LG ELECTRONICS INC.

Inventor： Taesup KIM ,  Sunmi YOO ,  Sehoon YEA

IPC: H04N19/52 ,  H04N19/44 ,  H04N19/136 ,  H04N19/176

CPC classification number: H04N19/52 ,  H04N19/136 ,  H04N19/176 ,  H04N19/44 ,  H04N19/597

Abstract: The present invention relates to a method and an apparatus for processing a video signal. The present invention can acquire an inter-view motion vector of a current block, acquire a first corresponding block by using the inter-view motion vector, identify a prediction method of the first corresponding block, acquire a second corresponding block when the first corresponding block is not coded by a time inter prediction, acquire a time motion vector of the second corresponding block, acquire a time motion vector of the current block by using the time motion vector of the second corresponding block, and decode the current block by using the time motion vector of the current block.

Abstract translation: 本发明涉及一种用于处理视频信号的方法和装置。 本发明可以获取当前块的视角间运动矢量，通过使用视角间运动矢量获取第一对应块，识别第一对应块的预测方法，当第一对应块 未被时间帧间预测编码，获取第二对应块的时间运动矢量，通过使用第二对应块的时间运动矢量获取当前块的时间运动矢量，并通过使用时间来解码当前块 当前块的运动矢量。

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。