基于DCT的直流和中频静态图像的数字水印算法

Digital watermarking algorithm based on the DC and IF coefficients of the DCT of still image

着重提出一种基于离散余弦变换的直流和中频静态图像的数字水印嵌入算法和检测过程。

This paper emphatically introduces a digital watermarking embedding algrithm and detecting process based on the DC and IF coefficients of the DCT of still Image.