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    • 8. 发明申请
    • Filter for eliminating discontinuity of block-based encoded image, and method thereof
    • 用于消除基于块的编码图像的不连续性的滤波器及其方法
    • US20060002476A1
    • 2006-01-05
    • US11105511
    • 2005-04-14
    • Eun-kyoung ParkWoo-sung Shim
    • Eun-kyoung ParkWoo-sung Shim
    • H04B1/66H04N11/02H04N11/04H04N7/12
    • H04N19/86H04N19/117H04N19/16H04N19/176H04N19/186H04N19/426
    • A method for eliminating discontinuity of block boundaries of an image encoded in units of blocks and an apparatus thereof. A filter for eliminating discontinuity of block boundaries of an image encoded in units of blocks with a predetermined size includes: a vertical edge filtering unit which eliminates the discontinuity in the vertical direction of the blocks, by filtering sequentially in units of blocks; a determination unit which determines a start point of discontinuity filtering in the horizontal direction according to a filtering mode of a macroblock formed with the blocks; and a horizontal edge filtering unit. If the vertical direction discontinuity filtering of the blocks is finished to the filtering start point determined by the determination unit, discontinuity filtering in the horizontal direction of the blocks is sequentially performed for which the vertical direction discontinuity filtering is finished. Accordingly, time taken for filtering is reduced and unnecessary memory is not required.
    • 一种用于消除以块为单位编码的图像的块边界的不连续性的方法及其装置。 用于消除以具有预定尺寸的块为单位编码的图像的块边界的不连续性的滤波器包括:通过以块为单位依次过滤消除块的垂直方向上的不连续性的垂直边缘滤波单元; 确定单元,其根据由所述块形成的宏块的滤波模式确定水平方向上的不连续滤波的开始点; 和水平边缘滤波单元。 如果块的垂直方向不连续过滤完成到由确定单元确定的滤波起始点,则顺序执行垂直方向不连续滤波完成的块的水平方向上的不连续滤波。 因此,减少了过滤所需的时间,并且不需要不必要的存储器。