...高阶视讯编码分别使用6阶分数亮度取样差值和2阶的分数彩度取样差值，越高阶的取样差值会造成越严重的振铃现象(Ringing Artifacts)，因此高效率视讯编码需要引入新的内嵌式回圈滤波器，除了开发去区块效应滤波器，更进一步引入全新概念的取样自适应偏移滤波器。
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Experimental results show that the proposed algorithm has got a significant increase of efficiency while reducing the ringing artifacts effectively.
实验结果表明，该算法在有效消除边缘振荡效应的同时，极大地提高了超分辨率图像重构的速度。
However, due to the ill-posed nature of the super-resolution image reconstruction, the ringing artifacts can not be easily removed in the reconstruction process.
但是，由于超分辨率图像重构本身是一个病态求逆过程，在重构图像中所产生的边缘振荡效应往往很难在重构过程中予以消除。
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