METHOD AND APPARATUS FOR ENCODING AND DECODING MOTION VECTOR BASED ON REDUCED MOTION VECTOR PREDICTOR CANDIDATES
    11.
    发明申请
    METHOD AND APPARATUS FOR ENCODING AND DECODING MOTION VECTOR BASED ON REDUCED MOTION VECTOR PREDICTOR CANDIDATES 审中-公开
    基于减少运动矢量预测器候选的编码和解码运动矢量的方法和装置

    公开(公告)号:US20150215639A1

    公开(公告)日:2015-07-30

    申请号:US14677735

    申请日:2015-04-02

    Abstract: A method and apparatus for encoding and decoding a motion vector of a current block. The method of encoding including: generating information about the motion vector based on a motion vector of a current block and a motion vector predictor of the current block by estimating the motion vector and determining a first motion vector predictor candidate from among a plurality of motion vector predictor candidates as the motion vector predictor based on a result of the estimating; and generating a virtual motion vector by using a second motion vector predictor candidate and the information about the motion vector, generating vector differences between the virtual motion vector and the plurality of motion vector predictor candidates, comparing the vector differences with the information about the motion vector, and selectively excluding the second motion vector predictor candidate according to the comparing.

    Abstract translation: 一种用于对当前块的运动矢量进行编码和解码的方法和装置。 编码方法包括:基于当前块的运动矢量和当前块的运动矢量预测器,通过估计运动矢量并从多个运动矢量中确定第一运动矢量预测器候选来生成关于运动矢量的信息 基于估计结果的预测候选作为运动矢量预测器; 以及通过使用第二运动矢量预测器候选和关于运动矢量的信息来生成虚拟运动矢量,生成虚拟运动矢量和多个运动矢量预测器候选之间的矢量差,将矢量差与关于运动矢量的信息进行比较 ,并且根据该比较选择性地排除第二运动矢量预测器候选。

    METHOD AND APPARATUS FOR ENCODING AND DECODING MOTION VECTOR BY PREDICTING MOTION VECTOR ACCORDING TO MODE
    15.
    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
    17.
    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 AND DECODING IMAGE BY USING LARGE TRANSFORM UNIT
    19.
    发明申请
    METHOD AND APPARATUS FOR ENCODING AND DECODING IMAGE BY USING LARGE TRANSFORM UNIT 有权
    使用大型变换单元编码和解码图像的方法和装置

    公开(公告)号:US20140286586A1

    公开(公告)日:2014-09-25

    申请号:US14299406

    申请日:2014-06-09

    Abstract: A method of decoding an image includes performing entropy-decoding to obtain quantized transformation coefficients of at least one transformation unit in a coding unit of the image, determining a prediction mode of at least one prediction unit in the coding unit from information indicating a prediction mode for the at least one prediction unit, when the prediction mode is determined to be an inter prediction mode, not in an intra prediction mode, determining a size of the at least one transformation unit in the coding unit regardless of a size of the at least one prediction unit in the coding unit, performing inverse-quantization and inverse-transformation on the quantized transformation coefficients of the at least one transformation unit to obtain residuals, and performing inter prediction for at least one prediction unit in the coding unit to generate a predictor and restoring the image by using the residuals and the predictor.

    Abstract translation: 解码图像的方法包括执行熵解码以获得图像的编码单元中的至少一个变换单元的量化变换系数,从表示预测模式的信息确定编码单元中的至少一个预测单元的预测模式 对于所述至少一个预测单元,当所述预测模式被确定为帧间预测模式时,不是在帧内预测模式中,确定所述编码单元中的所述至少一个变换单元的大小,而与所述至少一个预测模式的大小无关 编码单元中的一个预测单元,对所述至少一个变换单元的量化变换系数进行逆量化和逆变换以获得残差,并且对所述编码单元中的至少一个预测单元执行帧间预测,以生成预测器 并使用残差和预测器恢复图像。

    METHOD AND APPARATUS FOR ENCODING AND DECODING MOTION VECTOR
    20.
    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。

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