去块效应 块效应消除
Block removal effect Block effect removal
以上为机器翻译结果，长、整句建议使用 人工翻译 。
为了减少低比特率时块离散余弦变换(BDCT)在块边界所出现的明显可见的方块效应，提出了一种新的DCT域的去块效应消除算法。
A major drawback of block discrete cosine transform (BDCT) is that the decoded images, especially at very low bit rates, exhibit highly noticeable blocking artifacts near the block boundaries.
youdao
应用推荐
模块上移
模块下移
不移动