Discuss digital image processing, necessary of video compressing and principle of video compressing.

论述了数字图像处理的方法，以及视频压缩的必要性，压缩原理等。

youdao

First of all, we discuss the model definition, characteristic and suitable range of several color models from optics, visual psychology and digital image processing.

首先，从光学、视觉心理学、数字图像处理等多种角度对各种颜色模型进行了讨论，分析它们的模型定义、特点以及适用范围。

youdao