摘要
本文简述了图像压缩中输入处理所要完成的任务，处理模块的组成。
This paper describes the assignments of the inputting process in video compression and the comprising module of each assignment.It also gives the theories and methods of realizing the assignments.
关键词
图象处理
视频压缩
video compression,A/D transaction,Y/C separation,video adjustment,combing filter
