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    • 32. 发明授权
    • Motion refinement engine for use in video encoding in accordance with a plurality of sub-pixel resolutions and methods for use therewith
    • 运动细化引擎,用于根据多个子像素分辨率的视频编码和与其一起使用的方法
    • US08265136B2
    • 2012-09-11
    • US11708654
    • 2007-02-20
    • Edward HongAvinash Ramachandran
    • Edward HongAvinash Ramachandran
    • H04B1/64
    • H04N19/523H04N19/103H04N19/119H04N19/147H04N19/52H04N19/53H04N19/56H04N19/61
    • A motion compensation module can be used in a video encoder for encoding a video input signal that includes a sequence of images are segmented into a plurality of macroblocks. The motion compensation module includes a motion search module, that generates a motion search motion vector for a plurality of subblocks for a plurality of partitionings of a macroblock of a plurality of macroblocks. A motion refinement module generates a refined motion vector for the plurality of subblocks for the plurality of partitionings of the macroblock of the plurality of macroblocks, based on the motion search motion vector for each of the plurality of subblocks of the macroblock of the plurality of macroblocks. The motion refinement module can operate in a plurality of selected modes including a first mode corresponding to a first sub-pixel resolution and a second mode corresponding to a second sub-pixel resolution.
    • 运动补偿模块可以用在视频编码器中,用于对视频输入信号进行编码,该视频输入信号包括被分割成多个宏块的图像序列。 运动补偿模块包括运动搜索模块,其为多个宏块的宏块的多个分区生成多个子块的运动搜索运动矢量。 运动细化模块基于多个宏块的宏块的多个子块中的每一个的运动搜索运动向量,为多个宏块的多个分区的多个子块生成用于多个子块的精细运动矢量 。 运动细化模块可以以包括对应于第一子像素分辨率的第一模式和对应于第二子像素分辨率的第二模式的多个选定模式操作。