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    Filtering method and apparatus for removing blocking artifacts and/or ringing noise
    1.
    发明授权
    Filtering method and apparatus for removing blocking artifacts and/or ringing noise 有权
    用于去除块状伪影和/或振铃噪声的滤波方法和装置

    公开(公告)号：US07145953B2

    公开(公告)日：2006-12-05

    申请号：US10359300

    申请日：2003-02-06

    申请人： Jeong-hoon Park ,  Yong-je Kim ,  Yung-lyul Lee ,  Il-hoing Shin

    发明人： Jeong-hoon Park ,  Yong-je Kim ,  Yung-lyul Lee ,  Il-hoing Shin

    IPC分类号： H04B1/66 ,  H04N7/12

    CPC分类号： H04N19/86 ,  H04N19/117 ,  H04N19/14 ,  H04N19/176 ,  H04N19/61 ,  H04N19/80 ,  H04N19/82

    摘要： Provided are a filtering method and apparatus for removing blocking artifacts and/or ringing noise. The filtering apparatus includes (a) performing one-dimensional discrete cosine transform (1D DCT) on video data on a block-by-block basis in a horizontal or vertical direction; (b) performing 1D DCT in the other direction of (a) and quantization on at least one of 1D DCT coefficients for a pixel obtained by performing 1D-DCT on the video data, the pixel being selected according to pixel position; and (c) generating filtering information based on the quantized pixel coefficient obtained from (b). According to the filtering method and apparatus, it is possible to reduce the amount of calculation when obtaining filtering information to remove the blocking artifacts and/or ringing noise.

    摘要翻译： 提供了一种用于去除块伪影和/或振铃噪声的滤波方法和装置。 滤波装置包括：（a）在水平或垂直方向上逐块地对视频数据执行一维离散余弦变换（1D DCT）; （b）在（a）的另一方向上执行1D DCT，并对通过对视频数据执行1D-DCT获得的像素的1D DCT系数中的至少一个进行量化，根据像素位置选择像素; 和（c）基于从（b）获得的量化像素系数产生滤波信息。 根据滤波方法和装置，当获得滤波信息以消除块伪影和/或振铃噪声时，可以减少计算量。