Digital halftone is the utilizinghuman characteristics of low-pass, when some distance when observed under utilizinghuman in the image space close to the section as a whole.

• 数字半色调是诳骗人眼的矮开共性，当在必定间隔下查察时，人眼不兵图像洋不时间上挨近的部分视为一个部分。