METHOD AND APPARATUS FOR ENCODING AND DECODING MOTION VECTOR BY PREDICTING MOTION VECTOR ACCORDING TO MODE
    81.
    发明申请
    METHOD AND APPARATUS FOR ENCODING AND DECODING MOTION VECTOR BY PREDICTING MOTION VECTOR ACCORDING TO MODE 有权
    通过根据模式预测运动矢量来编码和解码运动矢量的方法和装置

    公开(公告)号:US20150071358A1

    公开(公告)日:2015-03-12

    申请号:US14524355

    申请日:2014-10-27

    Abstract: Provided are methods and apparatuses for encoding and decoding a motion vector. The method of encoding a motion vector includes: selecting a mode from among a first mode in which information indicating a motion vector predictor of at least one motion vector predictor is encoded and a second mode in which information indicating generation of a motion vector predictor based on pixels included in a previously encoded area adjacent to a current block is encoded; determining a motion vector predictor of the current block according to the selected mode and encoding information about the motion vector predictor of the current block; and encoding a difference vector between a motion vector of the current block and the motion vector predictor of the current block.

    Abstract translation: 提供了用于对运动矢量进行编码和解码的方法和装置。 编码运动矢量的方法包括:从表示至少一个运动矢量预测器的运动矢量预测器的信息被编码的第一模式中选择模式,以及第二模式,其中基于 包括在与当前块相邻的先前编码区域中的像素被编码; 根据所选择的模式确定当前块的运动矢量预测器,并且编码关于当前块的运动矢量预测器的信息; 以及对当前块的运动矢量和当前块的运动矢量预测器之间的差矢量进行编码。

    METHOD AND APPARATUS FOR ENCODING RESIDUAL BLOCK, AND METHOD AND APPARATUS FOR DECODING RESIDUAL BLOCK
    83.
    发明申请
    METHOD AND APPARATUS FOR ENCODING RESIDUAL BLOCK, AND METHOD AND APPARATUS FOR DECODING RESIDUAL BLOCK 审中-公开
    用于编码残留块的方法和装置,以及用于解码残余块的方法和装置

    公开(公告)号:US20140314149A1

    公开(公告)日:2014-10-23

    申请号:US14323424

    申请日:2014-07-03

    Abstract: A decoding apparatus includes a splitter which splits the image into a plurality of maximum coding units, hierarchically splits a maximum coding unit among the plurality of maximum coding units into a plurality of coding units, and determines one or more transformation residual blocks from a coding unit among the plurality of coding units, wherein the one or more transformation residual blocks include sub residual blocks, a parser which obtains an effective coefficient flag of a sub residual block among the sub residual blocks from a bitstream, the effective coefficient flag of the sub residual block indicating whether at least one non-zero effective transformation coefficient exists in the sub residual block, and when the effective coefficient flag indicates that at least one non-zero transformation coefficient exists in the sub residual block, obtains transformation coefficients of the sub residual block based on location information of the non-zero transformation coefficient and level information of the non-zero transformation coefficient obtained from the bitstream, and an inverse-transformer which performs inverse-transformation on a transformation residual block including the sub residual block based on the transformation coefficients of the sub residual block.

    Abstract translation: 一种解码装置,包括将图像分割为多个最大编码单位的分割器,将多个最大编码单位中的最大编码单位分层分割成多个编码单位,并从编码单元确定一个或多个变换残差块 在所述多个编码单元中,所述一个以上的变换残差块包括子残差块,从所述比特流中获取所述子残差块中的子残差块的有效系数标志的解析器,所述子残差的有效系数标志 指示在子剩余块中是否存在至少一个非零有效变换系数,并且当有效系数标志指示在子残差块中存在至少一个非零变换系数时,获得子残差块的变换系数 基于非零变换系数的位置信息和lev 从比特流获得的非零变换系数的信息,以及基于子残差块的变换系数对包括子残差块的变换残差块执行逆变换的逆变换器。

    METHOD AND APPARATUS FOR ENCODING VIDEO, AND METHOD AND APPARATUS FOR DECODING VIDEO
    86.
    发明申请
    METHOD AND APPARATUS FOR ENCODING VIDEO, AND METHOD AND APPARATUS FOR DECODING VIDEO 审中-公开
    用于编码视频的方法和装置,以及用于解码视频的方法和装置

    公开(公告)号:US20140286394A1

    公开(公告)日:2014-09-25

    申请号:US14299226

    申请日:2014-06-09

    Abstract: A method of decoding an image includes obtaining information that indicates an intra prediction mode of a current block to be decoded, from a bitstream, the intra prediction mode indicating a particular direction among a plurality of directions, the particular direction being indicated by one of dx number of pixels in a horizontal direction and a fixed number of pixels in a vertical direction, and dy number of pixels in the vertical direction and a fixed number of pixels in the horizontal direction and obtaining a number of neighboring pixels located on one side among a left side of the current block and an upper side of the current block according to a position of a current pixel (j,i) and the particular direction (dx or dy) indicated by the intra prediction mode, when the number of the neighboring pixels is 1, obtaining a prediction value of the current pixel based on the neighboring pixel, and when the number of the neighboring pixels is 2, obtaining the prediction value of the current pixel based on a weighted average of the neighboring pixels.

    Abstract translation: 解码图像的方法包括从比特流获得指示要解码的当前块的帧内预测模式的信息,指示多个方向之间的特定方向的帧内预测模式,特定方向由dx中的一个指示 在水平方向上的像素数和垂直方向上的固定数量的像素数,以及垂直方向上的dy像素数和水平方向上的固定数量的像素,并获得位于一侧的相邻像素的数量 根据当前像素(j,i)的位置和由帧内预测模式表示的特定方向(dx或dy)的当前块的左侧和当前块的上侧,当相邻像素 是1,基于相邻像素获得当前像素的预测值,并且当相邻像素的数量为2时,获得curr的预测值 基于相邻像素的加权平均值。

    VIDEO ENCODING METHOD AND APPARATUS AND VIDEO DECODING METHOD AND APPARATUS, BASED ON HIERARCHICAL CODED BLOCK PATTERN INFORMATION

    公开(公告)号:US20140161194A1

    公开(公告)日:2014-06-12

    申请号:US14177292

    申请日:2014-02-11

    Abstract: A method and apparatus for decoding video and a method and apparatus for encoding video are provided. The method for decoding video includes: receiving and parsing a bitstream of encoded video; extracting, from the bitstream, encoded image data of a current picture assigned to a maximum coding unit of the current picture, information regarding a coded depth of the maximum coding unit, information regarding an encoding mode, and coding unit pattern information indicating whether texture information of the maximum coding units has been encoded; and decoding the encoded image data for the maximum coding unit, based on the information regarding the coded depth of the maximum coding unit, the information regarding the encoding mode, and the coding unit pattern information.

    METHOD AND APPARATUS FOR ENCODING AND DECODING MOTION VECTOR
    89.
    发明申请
    METHOD AND APPARATUS FOR ENCODING AND DECODING MOTION VECTOR 有权
    编码和解码运动矢量的方法和装置

    公开(公告)号:US20140126649A1

    公开(公告)日:2014-05-08

    申请号:US14154086

    申请日:2014-01-13

    Abstract: Provided are methods and apparatuses for encoding and decoding a motion vector. The method of encoding a motion vector includes: selecting a mode from among a first mode in which information indicating a motion vector predictor of at least one motion vector predictor is encoded and a second mode in which information indicating generation of a motion vector predictor based on pixels included in a previously encoded area adjacent to a current block is encoded; determining a motion vector predictor of the current block according to the selected mode and encoding information about the motion vector predictor of the current block; and encoding a difference vector between a motion vector of the current block and the motion vector predictor of the current block.

    Abstract translation: 提供了用于对运动矢量进行编码和解码的方法和装置。 编码运动矢量的方法包括:从表示至少一个运动矢量预测器的运动矢量预测器的信息被编码的第一模式中选择模式,以及第二模式,其中基于 包括在与当前块相邻的先前编码区域中的像素被编码; 根据所选择的模式确定当前块的运动矢量预测器,并且编码关于当前块的运动矢量预测器的信息; 以及对当前块的运动矢量和当前块的运动矢量预测器之间的差矢量进行编码。

    METHOD AND APPARATUS FOR ENCODING VIDEO, AND METHOD AND APPARATUS FOR DECODING VIDEO
    90.
    发明申请
    METHOD AND APPARATUS FOR ENCODING VIDEO, AND METHOD AND APPARATUS FOR DECODING VIDEO 审中-公开
    用于编码视频的方法和装置,以及用于解码视频的方法和装置

    公开(公告)号:US20140079127A1

    公开(公告)日:2014-03-20

    申请号:US14057199

    申请日:2013-10-18

    Abstract: An apparatus of decoding an image includes an entropy decoder which obtains information about an intra prediction mode applied to a current block to be decoded, from a bitstream; and an intra prediction performer which obtains one of a left neighboring pixel whose location is determined based on j*dy>>n and a up neighboring pixel whose location is determined based on i*dx>>m, where a current pixel is located on (i,j), dx, dy, m and n are integers and performs intra prediction on the current pixel using one of the left neighboring pixel and the up neighboring pixel.

    Abstract translation: 解码图像的装置包括从比特流获取关于应用于要解码的当前块的帧内预测模式的信息的熵解码器; 以及帧内预测执行器,其获得基于j * dy >> n确定位置的左邻近像素中的一个,以及基于i * dx >> m确定位置的向上相邻像素,其中当前像素位于 (i,j),dx,dy,m和n是整数,并且使用左邻近像素和向上相邻像素之一对当前像素执行帧内预测。

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