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    • 80. 发明申请
    • Methods and Systems for Intra Prediction
    • 内部预测的方法和系统
    • US20110249741A1
    • 2011-10-13
    • US12757493
    • 2010-04-09
    • Jie ZhaoChristopher A. SegallYeping Su
    • Jie ZhaoChristopher A. SegallYeping Su
    • H04N7/32H04N11/02
    • H04N19/11H04N19/176H04N19/196H04N19/197H04N19/436H04N19/593H04N19/70
    • Aspects of the present invention relate to systems and methods for intra prediction. According to a first aspect of the present invention, a pixel value, in a first block of a macroblock, may be predicted according to a first-direction intra-prediction mode when a flag has a first value and may be predicted according to a second-direction intra-prediction mode when the flag has a second value, wherein the first-direction intra-prediction mode and the second-direction intra-prediction mode are associated with opposite prediction directions.According to a second aspect of the present invention, a pixel value, in a first block of a macroblock, may be predicted according to a first-direction intra-prediction mode when a flag has a first value and, when the flag has a second value, the pixel value may be predicted based on a weighted average of a first value predicted according to the first-direction intra-prediction mode and a second value predicted according to a second-direction intra-prediction mode, wherein the first-direction intra-prediction mode and the second-direction intra-prediction mode are associated with opposite prediction directions.
    • 本发明的方面涉及用于帧内预测的系统和方法。 根据本发明的第一方面,当标志具有第一值时,可以根据第一方向帧内预测模式来预测宏块的第一块中的像素值,并且可以根据第二方法预测 当所述标志具有第二值时,所述第一方向帧内预测模式和所述第二方向帧内预测模式与相反的预测方向相关联。 根据本发明的第二方面,当标志具有第一值时,可以根据第一方向帧内预测模式来预测宏块的第一块中的像素值,并且当该标志具有第二值时 可以基于根据第一方向帧内预测模式预测的第一值的加权平均值和根据第二方向帧内预测模式预测的第二值来预测像素值,其中,第一方向帧内预测模式 预测模式和第二方向帧内预测模式与相反的预测方向相关联。