公开(公告)号：US20160261888A1

公开(公告)日：2016-09-08

申请号：US15028905

申请日：2014-10-20

Applicant: LG ELECTRONICS INC.

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

IPC: H04N19/597 ,  H04N19/70 ,  H04N19/44

CPC classification number: H04N19/597 ,  H04N19/44 ,  H04N19/52 ,  H04N19/70

Abstract: The present invention relates to a video decoding apparatus and a method for decoding a multi-view video, and the video decoding apparatus according to the present invention comprises: an entropy-decoding unit for entropy-decoding a bitstream and outputting video information required for decoding a current block in a depth picture; a memory for saving pictures referenced when decoding the current block; and a prediction unit for inducing a prediction sample of the current block, by using motion information of a texture picture within the same view as motion information of the current block.

Abstract translation: 视频解码装置及其解码方法技术领域本发明涉及一种视频解码装置和多视点视频解码方法，本发明的视频解码装置包括：熵解码单元，用于对比特流进行熵解码，并输出解码所需的视频信息 深度图片中的当前块; 用于保存解码当前块时参考的图像的存储器; 以及预测单元，用于通过使用与当前块的运动信息相同的视图内的纹理图像的运动信息来诱导当前块的预测样本。

公开(公告)号：US20160073131A1

公开(公告)日：2016-03-10

申请号：US14758866

申请日：2014-01-02

Applicant: LG ELECTRONICS INC.

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

IPC: H04N19/597 ,  H04N13/00 ,  H04N19/44

CPC classification number: H04N19/597 ,  H04N13/128 ,  H04N13/161 ,  H04N19/44 ,  H04N2213/003

Abstract: The present invention relates to a video signal processing method and device and is capable of acquiring differential depth index information on the basis of a predetermined binarization method, acquiring a differential depth value by using the differential depth index information, acquiring the depth value of a current depth block by using the differential depth value, and decoding the current depth block by using the depth value of the current depth block. The present invention can increase encoding efficiency.

Abstract translation: 视频信号处理方法和装置技术领域本发明涉及视频信号处理方法和装置，并且能够基于预定的二值化方法获取差分深度索引信息，通过使用差分深度索引信息获取差分深度值，获取当前的深度值 通过使用差分深度值进行深度块，并且通过使用当前深度块的深度值来解码当前深度块。 本发明可以提高编码效率。

公开(公告)号：US20160050438A1

公开(公告)日：2016-02-18

申请号：US14782440

申请日：2014-04-11

Applicant: LG ELECTRONICS INC.

Inventor： Jin HEO ,  Junghak NAM ,  Jiwook JUNG ,  Sehoon YEA ,  Eunyong SON

IPC: H04N19/597 ,  H04N19/44 ,  H04N19/503 ,  H04N19/176 ,  H04N19/182

CPC classification number: H04N19/597 ,  H04N19/176 ,  H04N19/182 ,  H04N19/44 ,  H04N19/503 ,  H04N19/593

Abstract: The present invention relates to a video signal processing method and device capable of: obtaining an intra-prediction mode for a current depth block; determining a reference neighboring pixel region adjacent to the current depth block by using the intra-prediction mode; determining a first reference neighboring pixel region and a second reference neighboring pixel region; determining a first current depth block region and a second current depth block region comprised in the current depth block; obtaining a first prediction value for the first current depth block region by using the representative value of the first reference neighboring pixel region; and obtaining a second prediction value for the second current depth block region by using the representative value of the second reference neighboring pixel region.

Abstract translation: 本发明涉及一种视频信号处理方法和装置，其能够：获得当前深度块的帧内预测模式; 通过使用帧内预测模式确定与当前深度块相邻的参考相邻像素区域; 确定第一参考相邻像素区域和第二参考相邻像素区域; 确定包括在当前深度块中的第一当前深度块区域和第二当前深度块区域; 通过使用第一参考相邻像素区域的代表值来获得第一当前深度块区域的第一预测值; 以及通过使用第二参考相邻像素区域的代表值来获得第二当前深度块区域的第二预测值。

公开(公告)号：US20180343455A1

公开(公告)日：2018-11-29

申请号：US15775307

申请日：2016-11-11

Applicant: LG ELECTRONICS INC.

Inventor： Hyeongmoon JANG ,  Bumshik LEE ,  Sehoon YEA

IPC: H04N19/18 ,  H04N19/159 ,  H04N19/176 ,  H04N19/124 ,  H04N19/44

Abstract: An intra prediction method according to the present invention comprises the steps of: determining an intra prediction mode for a current block; determining whether to apply a coefficient induced intra prediction (CIIP) to the current block; deriving neighboring reference samples for the current block on the basis of whether the CIIP is applied; and generating prediction samples for the current block on the basis of the intra prediction mode and the neighboring samples. The present invention can generate modified or improved neighboring reference samples and thereby can improve the performance of intra prediction.

公开(公告)号：US20180310000A1

公开(公告)日：2018-10-25

申请号：US15762958

申请日：2016-09-23

Applicant: LG Electronics Inc.

Inventor： Jin HEO ,  Eunyong SON ,  Junghak NAM ,  Seungwook PARK ,  Sehoon YEA

IPC: H04N19/159 ,  H04N19/176 ,  H04N19/11 ,  H04N19/593

CPC classification number: H04N19/159 ,  H04N19/11 ,  H04N19/146 ,  H04N19/176 ,  H04N19/46 ,  H04N19/593 ,  H04N19/61

Abstract: An image decoding method, which is performed by a decoding apparatus, includes the steps of: deriving a frequency domain-neighboring block for a neighboring block of a current block in a spatial domain; deriving a frequency domain-prediction block for the current block by applying a prediction pattern to the frequency domain-neighboring block; generating a frequency domain-reconstructed block for the current block on the basis of the frequency domain-prediction block; and generating a reconstructed block for the current block in the spatial domain on the basis of the frequency inverse transform of the frequency domain-reconstructed block. The present invention can generate a prediction block for a current block in a frequency domain, and accordingly can more efficiently reconstruct a complex image.

公开(公告)号：US20180295363A1

公开(公告)日：2018-10-11

申请号：US15766278

申请日：2016-10-13

Applicant: LG ELECTRONICS INC.

Inventor： Junghak NAM ,  Chulkeun KIM ,  Sehoon YEA

IPC: H04N19/117 ,  H04N19/174 ,  H04N19/44 ,  H04N19/46 ,  H04N19/625 ,  H04N19/85 ,  H04N19/139 ,  H04N19/80

Abstract: An image decoding method performed by a decoding apparatus according to the present invention comprises the steps of: generating a reconstruction area for a target area within a current picture; deriving a predetermined plurality of basic filters for the target area; updating at least one basic filter among the plurality of basic filters; receiving weight information for each of the basic filters; determining a merge filter for the target area on the basis of the basic filters and the weight information; and generating a modified reconstruction area by performing filtering on the target area on the basis of the filter coefficient of the determined merge filter. The present invention allows updating with filter information suitable for improving the visual quality of the target area and can thereby improve the accuracy of filtering and overall coding efficiency.

公开(公告)号：US20180288407A1

公开(公告)日：2018-10-04

申请号：US15758920

申请日：2016-09-12

Applicant: LG ELECTRONICS INC.

Inventor： Bumshik LEE ,  Sehoon YEA ,  Moonmo KOO

IPC: H04N19/105 ,  H04N19/107 ,  H04N19/122 ,  H04N19/176 ,  H04N19/182 ,  H04N19/18 ,  H04N19/61

CPC classification number: H04N19/105 ,  H04N19/107 ,  H04N19/11 ,  H04N19/12 ,  H04N19/122 ,  H04N19/134 ,  H04N19/159 ,  H04N19/176 ,  H04N19/18 ,  H04N19/182 ,  H04N19/463 ,  H04N19/61 ,  H04N19/90 ,  H04N19/91

Abstract: A method of encoding a video signal using a graph-based transformation includes: generating a residual block using a prediction block generated according to an intra prediction mode; obtaining at least one of a self-loop weight indicating a weight of boundary pixels in the residual block or a correlation coefficient indicating an inter-pixel correlation, on the basis of a prediction angle corresponding to the intra prediction mode; generating a graph on the basis of at least one of the self-loop weight or the correlation coefficient; determining a graph-based transformation kernel on the basis of the graph; and performing a transform for the residual block using the graph-based transformation kernel.

公开(公告)号：US20180146195A1

公开(公告)日：2018-05-24

申请号：US15577029

申请日：2016-05-26

Applicant: LG Electronics Inc. ,  University of Southern California

Inventor： Moonmo KOO ,  Sehoon YEA ,  Bumshik LEE ,  Amir SAID ,  Hilmi Enes EGILMEZ ,  Antonio ORTEGA

IPC: H04N19/122 ,  H04N19/625 ,  H04N19/61 ,  H04N19/176

Abstract: The present invention provides a method for decoding a video signal using an adaptive separable graph-based transform, comprising the steps of: receiving a transform index for a target block from the video signal, wherein the transform index indicates a graph-based transform to be applied to the target block; deriving a graph-based transform kernel corresponding to the transform index; and decoding the target block based on the graph-based transform kernel.

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：US20170180755A1

公开(公告)日：2017-06-22

申请号：US15118392

申请日：2015-03-10

Applicant: LG ELECTRONICS INC.

Inventor： Sunmi YOO ,  Junghak NAM ,  Sehoon YEA

IPC: H04N19/597 ,  H04N19/513 ,  H04N19/172 ,  H04N19/176 ,  H04N19/105 ,  H04N19/139

CPC classification number: H04N19/597 ,  H04N19/105 ,  H04N19/139 ,  H04N19/172 ,  H04N19/176 ,  H04N19/30 ,  H04N19/517 ,  H04N19/521 ,  H04N2013/0085

Abstract: The present invention provides a 3D video decoding method and device. A 3D video decoding method according to the present invention comprises the steps of: determining whether to apply motion vector inheritance for inducing a motion vector of a depth picture, using motion information of a texture picture; when it is determined to apply the motion vector inheritance, inducing a current block within the depth picture to a sub-block sized depth sub-block for the motion vector inheritance; inducing a motion vector of the depth sub-block from a texture block within the texture picture corresponding to the depth sub-block; and inducing a reconstructed sample of the current block by generating a prediction sample of the depth sub-block on the basis of the motion vector of the depth sub-block.