-
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.
-
16.
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.
-
17.
公开(公告)号:US20180035112A1
公开(公告)日:2018-02-01
申请号:US15550347
申请日:2016-02-03
Applicant: LG Electronics Inc.
Inventor: Chulkeun KIM , Junghak NAM , Seungwook PARK , Sehoon YEA
IPC: H04N19/117 , H04N19/196 , H04N19/159 , H04N19/82 , H04N19/176
CPC classification number: H04N19/117 , H04N19/159 , H04N19/176 , H04N19/196 , H04N19/523 , H04N19/59 , H04N19/70 , H04N19/80 , H04N19/82
Abstract: Disclosed is a method for decoding a video signal, including deriving position information of an integer sample within a target block, performing non-uniform interpolation filtering on the integer sample based on the position information of the integer sample, deriving an interpolation sample value according to a result of the non-uniform interpolation filtering, and obtaining a prediction sample value using the interpolation sample value, wherein the non-uniform interpolation filtering is different in at least one of a phase interval or the number of interpolation samples, the phase interval represents an interval between interpolation samples, and the number of interpolation samples represents the number of interpolation samples generated between integer samples.
-
18.
公开(公告)号:US20170310974A1
公开(公告)日:2017-10-26
申请号:US15516270
申请日:2015-06-25
Applicant: LG Electronics Inc.
Inventor: Onur GULERYUZ , Shunyao LI , Sehoon YEA
IPC: H04N19/172 , H04N19/117 , H04N19/66 , H04N19/119
CPC classification number: H04N19/172 , H04N19/117 , H04N19/119 , H04N19/149 , H04N19/176 , H04N19/46 , H04N19/50 , H04N19/66 , H04N19/82 , H04N19/85
Abstract: A method of encoding a video signal includes selecting a set of base filter kernels from a filter bank; determining a prediction filter parameter based on the set of base filter kernels; performing a filtering of a reference region for a target region based on the prediction filter parameter; and predicting the target region based on the filtered reference region, wherein the prediction filter parameter includes at least one of modulation scalar and partition information.
-
公开(公告)号:US20170289573A1
公开(公告)日:2017-10-05
申请号:US15510500
申请日:2015-09-07
Applicant: LG ELECTRONICS INC.
Inventor: Sunmi YOO , Jungdong SEO , Junghak NAM , Sehoon YEA
IPC: H04N19/597 , H04N19/139 , H04N19/159 , H04N19/52 , H04N19/513 , H04N19/176 , H04N19/105
CPC classification number: H04N19/597 , H04N19/105 , H04N19/139 , H04N19/159 , H04N19/176 , H04N19/52 , H04N19/521 , H04N19/70
Abstract: The present invention relates to a device and a method for coding a multi-view video, a residual prediction method, according to the present invention, comprising the steps of: deriving a disparity vector of a current block; performing residual prediction on the current block on the basis of the disparity vector; and generating a residual prediction sample, wherein the disparity vector is not derived on the basis of a neighboring block of the current block, but is derived from a preset default vector. According to the present invention, the effect of prediction may be increased by performing residual prediction on the current block according to a certain condition, not only when the disparity vector is induced but also when the disparity vector is not induced from the neighboring block of the current block.
-
公开(公告)号:US20170280160A1
公开(公告)日:2017-09-28
申请号:US15510807
申请日:2015-09-07
Applicant: LG Electronics Inc.
Inventor: Sunmi YOO , Jungdong SEO , Junghak NAM , Sehoon YEA
IPC: H04N19/597 , H04N19/176 , H04N19/70 , H04N19/50
CPC classification number: H04N19/597 , H04N19/105 , H04N19/146 , H04N19/176 , H04N19/50 , H04N19/593 , H04N19/70
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 a single depth mode (SDM) flag information indicating whether the SDM is applied to a current block; and if the SDM is applied to the current block, generating a prediction sample on the basis of a first candidate and a second candidate derived by using spatial neighboring reference samples of the current block, wherein the number of the spatial neighboring reference samples is two, and among the neighboring reference samples, the first neighboring reference sample is positioned on the left side of the current block, and the second neighboring reference sample is positioned on the upper side of the current block. According to the present invention, the current block may be predicted on the basis of one representative value derived by using the predetermined neighboring reference sample, and the complexity of an operation may be decreased, and coding efficiency may be increased.
-
-
-
-
-
-
-
-
-