METHOD AND APPARATUS FOR ENCODING RESIDUAL BLOCK, AND METHOD AND APPARATUS FOR DECODING RESIDUAL BLOCK
    21.
    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
    24.
    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。

    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 VIDEO, AND METHOD AND APPARATUS FOR DECODING VIDEO
    29.
    发明申请
    METHOD AND APPARATUS FOR ENCODING VIDEO, AND METHOD AND APPARATUS FOR DECODING VIDEO 有权
    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:US20140003513A1

    公开(公告)日:2014-01-02

    申请号:US14015476

    申请日:2013-08-30

    Abstract: Disclosed is a method of encoding a video, the method including: splitting a current picture into at least one maximum coding unit; determining a coded depth to output a final encoding result according to at least one split region obtained by splitting a region of the maximum coding unit according to depths, by encoding the at least one split region, based on a depth that deepens in proportion to the number of times the region of the maximum coding unit is split; and outputting image data constituting the final encoding result according to the at least one split region, and encoding information about the coded depth and a prediction mode, according to the at least one maximum coding unit.

    Abstract translation: 公开了一种对视频进行编码的方法,该方法包括:将当前画面分割成至少一个最大编码单元; 根据至少一个分割区域确定编码深度以输出最终的编码结果,所述至少一个分割区域通过根据深度与所述最大编码单元的比例增加的深度来编码所述至少一个分割区域来分割所述最大编码单元的区域, 分割最大编码单位的区域的次数; 以及根据所述至少一个分割区域输出构成最终编码结果的图像数据,以及根据所述至少一个最大编码单元编码关于编码深度的信息和预测模式。

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