Data hiding in the still image presets a variety of challenges that arises due to the way human visual system (HVS) works and the typical modifications that image undergoes. Additionally, still images priced a relatively small host signal in which to

介绍人眼视觉特性及视频压缩技术，将人眼的视觉特效应用于与视频压缩技术，提高编码比特率-Introducer visual properties and video compression technology, the human eye and visual effects used in video compression technology to increase the encoding bit rate