为了保证更好的压缩将是类似甚至相同的图像有许多地区的一种方式。

So one way to ensure better compression would be to have many regions in the image which are similar or even identical.

youdao

事实上，我还没发现哪一个以group 4 fax方式压缩的黑白图像可以使用那个程序显示出来。

In fact, I couldn't find an example of a group 4 fax compressed black-and-white image that would display using that program.

youdao

多方向多尺度变换能以更稀疏的方式表示图像的边缘和纹理等几何特征，有利于图像压缩。

The proposed transform could represent the geometrical features such as edges and texture more sparsely, which is of great benefit to image compression.

youdao