基于SVD和HVS的数字水印算法

Digital watermarking algorithm based on SVD and HVS

在分析一个SVD经典算法的基础上,提出了一种基于SVD和HVS的数字水印算法。该算法采用基于块系数关系的嵌入方法,同时为了解决不可见性和鲁棒性的矛盾,结合人类视觉系统的掩蔽特性嵌入水印。为了提高水印的安全性,采用了Arnold变换。实验结果表明,该算法在保证不可见性的同时,在鲁棒性方面也有较好的性能,能抵抗常见的图像处理及攻击。

In this paper,based on the analysis of a classical algorithm based on SVD,SVD and HVS is proposed based on digital watermarking algorithm.The algorithm is based on the relationship between block coefficient embedding methods,and algorithms to solve the invisibility and robustness of the conflict,combined with the masking properties of human visual system embedded watermark.In order to improve the security of watermark,using Arnold transform.Experimental results show that the algorithm has no visibility at the same time,the robustness also has better performance,be able to resist common image processing and attacks.