METHOD, DEVICE AND SYSTEM FOR CHANGING QUANTIZATION PARAMETER FOR CODING UNIT IN HEVC
    4.
    发明申请
    METHOD, DEVICE AND SYSTEM FOR CHANGING QUANTIZATION PARAMETER FOR CODING UNIT IN HEVC 有权
    用于改变HEVC中编码单元的量化参数的方法,装置和系统

    公开(公告)号:US20140328390A1

    公开(公告)日:2014-11-06

    申请号:US14266028

    申请日:2014-04-30

    CPC classification number: H04N19/124 H04N19/146 H04N19/159 H04N19/169

    Abstract: A method of individually setting the quantization parameter for each coding unit of a frame in high efficiency video coding (HEVC) is disclosed. The method for setting a quantization parameter for each coding unit in a frame for HEVC encoding includes receiving at least one of partition size information of the coding unit and prediction mode information of the coding unit, performing an adaptive bit allocation operation per each coding unit based on at least one of the unit partition size information of the coding unit and the prediction mode information of the coding unit, and setting a quantization parameter per each coding unit according to the performed adaptive bit allocation operation.

    Abstract translation: 公开了一种在高效率视频编码(HEVC)中单独设置帧的每个编码单元的量化参数的方法。 在用于HEVC编码的帧中为每个编码单元设置量化参数的方法包括:接收编码单元的分区大小信息和编码单元的预测模式信息中的至少一个,每个编码单元基于每个编码单元执行自适应位分配操作 在编码单位的单位分割尺寸信息和编码单元的预测模式信息中的至少一个上,并且根据所执行的自适应位分配操作来设置每个编码单元的量化参数。

    SYSTEM ON CHIP AND DATA PROCESSING SYSTEM INCLUDING THE SAME
    7.
    发明申请
    SYSTEM ON CHIP AND DATA PROCESSING SYSTEM INCLUDING THE SAME 审中-公开
    包括其中的芯片和数据处理系统系统

    公开(公告)号:US20150319439A1

    公开(公告)日:2015-11-05

    申请号:US14645542

    申请日:2015-03-12

    Abstract: IN a system on chip (SoC) for adaptively adjusting a bit rate, the SoC includes a central processing unit (CPU) configured to compare a first reference bit rate with a bit rate of a previous frame and to output a first parameter, a spatial filter configured to adjust a cutoff frequency using the first parameter, to filter high-frequency components from a current frame using an adjusted cutoff frequency and to output a filtered current frame, and a video codec configured to adjust a bit rate of a current macroblock in the filtered current frame using a second parameter generated according to a result of comparing a second reference bit rate with a bit rate of a previous macroblock in the filtered current frame.

    Abstract translation: 在用于自适应地调整比特率的片上系统(SoC)中,SoC包括被配置为将第一参考比特率与先前帧的比特率进行比较并输出第一参数的中央处理单元(CPU),空间 滤波器,其被配置为使用第一参数来调整截止频率,以使用调整的截止频率来从当前帧中滤除高频分量,并输出滤波后的当前帧;以及视频编解码器,被配置为调整当前宏块的比特率 使用根据将第二参考比特率与滤波的当前帧中的先前宏块的比特率进行比较而生成的第二参数的滤波后的当前帧。

    Data encoding with sign data hiding

    公开(公告)号:US09832477B2

    公开(公告)日:2017-11-28

    申请号:US14518152

    申请日:2014-10-20

    CPC classification number: H04N19/48 H04N19/61

    Abstract: A method of encoding data includes selecting a line to define an adjustment target coefficient group in each of a plurality of coefficient groups included in a transform unit that has been transformed and quantized. Each of the coefficient groups comprises a plurality of coefficients. For each of the coefficient groups, a sum of the coefficients for the respective coefficient group is calculated. For each of the coefficient groups, a value of one adjustment target coefficient included in the adjustment target coefficient group is adjusted according to a result of the calculation of the sum of the coefficients for the respective coefficient group.

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