一种基于倒谱域的图像数字水印算法

Image Watermarking Algorithm Base on Cepstrum Domain

提出了一种基于倒谱域的数字水印算法,该算法将水印图像信号嵌入到宿主图像的一维倒谱系数中,水印检测不需要原始图像。计算机仿真结果表明该算法满足水印的不可感知性的要求,且可抵抗多种水印攻击,如JPEG压缩、噪声干扰、滤波以及其他图像处理操作等。试验采用了Stirmark4.0水印基准测试软件,保证了试验的真实性和准确性。

A digital image watermarking method based on cepstrum domain is proposed. The sequence of watermarking is embedded into the host image in its 1-dimensional cepstrum domain. The embedded watermark can be detected without the original image. Extensive computer simulation results show that the proposed algorithm is robust to a few kinds of watermarking attacks, such as JPEG compression, additive noise, filtering and some other image processing operations. Stirmark4.0 watermark benchmark testing software is applied to verify the experiments so the reality and the accuracy of the experiments are guaranteed.