公开(公告)号：US20170302921A1

公开(公告)日：2017-10-19

申请号：US15523424

申请日：2015-10-29

Applicant: LG ELECTRONICS INC.

Inventor： Sehoon YEA

IPC: H04N19/105 ,  H04N19/44 ,  H04N19/107 ,  H04N19/103 ,  H04N19/70 ,  H04N19/139 ,  H04N19/61 ,  H04N19/176 ,  H04N19/51

CPC classification number: H04N19/105 ,  H04N19/103 ,  H04N19/107 ,  H04N19/12 ,  H04N19/139 ,  H04N19/176 ,  H04N19/18 ,  H04N19/19 ,  H04N19/44 ,  H04N19/51 ,  H04N19/61 ,  H04N19/70

Abstract: There is provided a method for encoding a video signal based on pixel-correlations on a transform domain, the method comprising: obtaining a first transform coefficient by transforming a pixel value of a target block in a current frame; reconstructing a second transform coefficient for a corresponding block in a previous frame; and obtaining a prediction value of the first transform coefficient based on the reconstructed second transform coefficient and a correlation coefficient.

公开(公告)号：US20170019669A1

公开(公告)日：2017-01-19

申请号：US15123930

申请日：2015-03-05

Applicant: LG ELECTRONICS INC.

Inventor： Jin HEO ,  Eunyong SON ,  Moonmo KOO ,  Sehoon YEA

IPC: H04N19/119 ,  H04N19/124 ,  H04N19/513 ,  H04N19/159 ,  H04N19/117 ,  H04N19/147 ,  H04N19/61 ,  H04N19/13

Abstract: The present invention relates to a method for encoding/decoding a still image or a video based on a polygon unit and an apparatus for supporting the same. Particularly, a method for encoding an image based on a polygon unit may include partitioning an input image by a unit of block, determining a position of at least one point within the block, determining a position of at least one point in each side of the block, partitioning the block into at least one polygon unit using a vertex of the block, at least two points among the points determined in the side of the block, and a point determined within the block and coding the input image by a unit of the polygon unit.

Abstract translation: 本发明涉及一种用于对基于多边形单元的静止图像或视频进行编码/解码的方法及其装置。 特别地，用于基于多边形单元对图像进行编码的方法可以包括以块为单位划分输入图像，确定块内的至少一个点的位置，确定块的每一侧中的至少一个点的位置 块，使用块的顶点将块划分为至少一个多边形单元，在块的侧面中确定的点中的至少两个点以及在该块内确定的点，并以该单元对该输入图像进行编码 多边形单位。

公开(公告)号：US20160337665A1

公开(公告)日：2016-11-17

申请号：US15111735

申请日：2015-09-24

Applicant: LG ELECTRONICS INC.

Inventor： Sunmi YOO ,  Junghak NAM ,  Sehoon YEA

IPC: H04N19/597 ,  H04N13/00 ,  H04N19/70 ,  H04N19/172 ,  H04N19/176

Abstract: The present invention relates to a device and a method for coding a 3D video, a decoding method, according to the present invention, comprising the steps of: receiving, through a first syntax, a camera parameter for switching a depth value into a disparity value; determining whether the camera parameter which applies to a previous slice or picture applies to a current slice or picture; and if the camera parameter applies to a current slice or picture, deriving a disparity value of a current block on the basis of the camera parameter. According to the present invention, slices or pictures of a certain interval may share the same camera parameter, the transmission of overlapping information may be prevented, and coding efficiency may be improved.

Abstract translation: 本发明涉及根据本发明的用于对3D视频进行编码的设备和方法，解码方法，包括以下步骤：通过第一语法接收用于将深度值切换为视差值的相机参数 ; 确定应用于先前切片或图像的相机参数是否适用于当前切片或图片; 并且如果相机参数适用于当前片或图片，则基于相机参数导出当前块的视差值。 根据本发明，一定间隔的片段或图片可以共享相同的相机参数，可以防止重叠信息的传输，并且可以提高编码效率。

公开(公告)号：US20160255368A1

公开(公告)日：2016-09-01

申请号：US15028631

申请日：2014-10-20

Applicant: LG ELECTRONICS INC.

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

IPC: H04N19/597 ,  H04N19/513 ,  H04N19/159 ,  H04N19/176 ,  H04N19/105 ,  H04N19/139

CPC classification number: H04N19/597 ,  H04N19/105 ,  H04N19/139 ,  H04N19/157 ,  H04N19/159 ,  H04N19/176 ,  H04N19/187 ,  H04N19/521

Abstract: The present invention provides a method for coding and decoding a video comprising a multi-view. The method for coding a video, according to one embodiment of the present invention, comprises the steps of: determining whether a current block in a current view is to perform a residual prediction; inducing a first reference block and a second reference block used for the residual prediction of the current block, when the current block performs the residual prediction; generating a residual prediction sample value of the current block, based on a difference value between a sample value of the first reference block and a sample value of the second reference block; and inducing a prediction sample value of the current block by using the residual prediction sample value of the current block.

Abstract translation: 本发明提供了一种用于对包括多视图的视频进行编码和解码的方法。 根据本发明的一个实施例，用于编码视频的方法包括以下步骤：确定当前视图中的当前块是否执行残差预测; 当所述当前块执行所述剩余预测时，引导用于所述当前块的剩余预测的第一参考块和第二参考块; 基于第一参考块的采样值和第二参考块的样本值之间的差值，生成当前块的残差预测采样值; 以及通过使用当前块的剩余预测样本值来感测当前块的预测采样值。

公开(公告)号：US20160050429A1

公开(公告)日：2016-02-18

申请号：US14780421

申请日：2014-04-11

Applicant: LG ELECTRONICS INC.

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

IPC: H04N19/513 ,  H04N19/52 ,  H04N19/503 ,  H04N19/176 ,  H04N19/593

CPC classification number: H04N19/513 ,  H04N19/176 ,  H04N19/503 ,  H04N19/52 ,  H04N19/521 ,  H04N19/593 ,  H04N19/597

Abstract: A method for processing a video signal according to the present invention comprises the steps of: searching for a reference view motion vector corresponding to a disparity vector of a current texture block, a motion vector of a spatial neighbor block of the current texture block, a disparity vector of the current texture block, a view synthesis prediction disparity vector of the current texture block, and a motion vector of a temporal neighbor block of the current texture block, in a predetermined sequence; storing the searched motion vectors in a candidate list, in the predetermined sequence; and performing an inter-prediction on the current texture block, using one among the motion vectors stored in the candidate list, wherein the candidate list stores a predetermined number of motion vectors, and the predetermined sequence is set such that the view synthesis prediction disparity vector is always stored.

Abstract translation: 根据本发明的用于处理视频信号的方法包括以下步骤：搜索与当前纹理块的视差矢量对应的参考视图运动矢量，当前纹理块的空间相邻块的运动矢量， 当前纹理块的视差矢量，当前纹理块的视图合成预测视差矢量，以及当前纹理块的时间相邻块的运动矢量; 以所述预定顺序将搜索到的运动矢量存储在候选列表中; 并且使用存储在候选列表中的运动矢量中的一个来执行对当前纹理块的帧间预测，其中候选列表存储预定数量的运动矢量，并且将预定序列设置为使得视图合成预测视差矢量 总是存储。

公开(公告)号：US20150350679A1

公开(公告)日：2015-12-03

申请号：US14759611

申请日：2014-01-09

Applicant: LG ELECTRONICS INC.

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

IPC: H04N19/597 ,  H04N19/61 ,  H04N19/59 ,  H04N13/00

CPC classification number: H04N19/597 ,  H04N13/10 ,  H04N19/463 ,  H04N19/59 ,  H04N19/61 ,  H04N19/70

Abstract: The present invention relates to a method and an apparatus for processing video signals, and more specifically, to a method and an apparatus for processing video signals which applies deformation compensation to decode a current texture block. The present invention can increase the accuracy of an inter-prediction by obtaining the position of a block within a reference picture referenced by the current texture block, by means of using deformation compensation parameter information, and obtaining a pixel value of the block within the reference picture that is obtained from a prediction value of the current texture block.

Abstract translation: 技术领域本发明涉及一种用于处理视频信号的方法和装置，更具体地，涉及一种用于处理视频信号的方法和装置，该方法和装置应用变形补偿来解码当前纹理块。 本发明可以通过使用变形补偿参数信息，通过使用变形补偿参数信息获得块内的像素值，从而获得当前纹理块所参考的参考图像内的块的位置，从而提高帧间预测的精度 从当前纹理块的预测值获得的图像。

公开(公告)号：US20150350657A1

公开(公告)日：2015-12-03

申请号：US14759580

申请日：2014-01-07

Applicant: LG ELECTRONICS INC.

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

IPC: H04N19/159 ,  H04N19/176 ,  H04N19/61 ,  H04N19/463 ,  H04N19/593 ,  H04N19/11 ,  H04N19/196

CPC classification number: H04N19/159 ,  H04N19/11 ,  H04N19/157 ,  H04N19/176 ,  H04N19/197 ,  H04N19/463 ,  H04N19/593 ,  H04N19/61

Abstract: The video signal processing method according to the present invention comprises: generating a candidate mode list of a current block on the basis of an intra-prediction mode from the spatial neighboring block of the current block; modifying the candidate mode list on the basis of an intra-prediction mode from the neighboring view of the current block; inducing the intra-prediction mode of the current block on the basis of the modified candidate mode list; and predicting the current block by using the induced intra-prediction mode.

Abstract translation: 根据本发明的视频信号处理方法包括：根据来自当前块的空间相邻块的帧内预测模式生成当前块的候选模式列表; 基于来自当前块的相邻视图的帧内预测模式修改候选模式列表; 基于修改的候选模式列表来诱导当前块的帧内预测模式; 并通过使用感应的帧内预测模式来预测当前块。

公开(公告)号：US20180192068A1

公开(公告)日：2018-07-05

申请号：US15737140

申请日：2016-06-16

Applicant: LG Electronics Inc.

Inventor： Junghak NAM ,  Chulkeun KIM ,  Seungwook PARK ,  Sehoon YEA

IPC: H04N19/44 ,  H04N19/80 ,  H04N19/117

Abstract: Disclosed in the present invention are a method for encoding/decoding an image and a device for same. Particularly, a method for decoding an image may comprise the steps of: parsing a filter index from a bit stream outputted from an encoder; determining a filter set using the filter index, from among a plurality of filter sets belonging to a predetermined filter bank; deriving a filter coefficient based on a coefficient for filtering, defined by the filter set, which has been determined by the filter index; and applying filtering to a reconstructed image obtained using a prediction signal and a differential signal, by using the derived filter coefficient.

公开(公告)号：US20180115787A1

公开(公告)日：2018-04-26

申请号：US15565823

申请日：2016-04-12

Applicant: LG Electronics Inc.

Inventor： Moonmo KOO ,  Sehoon YEA ,  Kyuwoon KIM ,  Bumshik LEE

IPC: H04N19/593 ,  H04N19/124 ,  H04N19/182 ,  H04N19/61

CPC classification number: H04N19/593 ,  H04N19/124 ,  H04N19/182 ,  H04N19/61 ,  H04N19/62

Abstract: The present invention provides a method for encoding a video signal, comprising: generating prediction pixels for the first row or column of a current block on the basis of boundary pixels neighboring to the current block; predicting remaining pixels within the current block respectively in the vertical direction or horizontal direction using the prediction pixels for the first row or column of the current block; generating a difference signal on the basis of the prediction pixels for the current block; and generating a transform-coded residual signal by applying a horizontal transform matrix and a vertical transform matrix to the difference signal.

公开(公告)号：US20180063552A1

公开(公告)日：2018-03-01

申请号：US15550331

申请日：2016-02-15

Applicant: LG Electronics Inc.

Inventor： Chulkeun KIM ,  Jin HEO ,  Sehoon YEA

IPC: H04N19/82 ,  H04N19/159 ,  H04N19/61 ,  H04N19/107

CPC classification number: H04N19/82 ,  H04N19/107 ,  H04N19/139 ,  H04N19/159 ,  H04N19/176 ,  H04N19/48 ,  H04N19/593 ,  H04N19/61 ,  H04N19/91

Abstract: Disclosed is a method of decoding a video signal. The method includes extracting an intra-prediction mode of a current block from a video signal, generating a prediction block according to the intra-prediction mode, performing a transform on the prediction block, performing a filtering on the transformed prediction block using a spatial correlation coefficient, and generating a reconstruction block based on the filtered prediction block and a residual block, wherein the spatial correlation coefficient is a value determined based on a direction of the intra-prediction mode.