基于复泽尼克矩的鲁棒图像零水印

Khalid Edris, M. Fakhreldin, Jasni Mohamed Zain, T. Kadir
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引用次数: 2

摘要

本文提出了一种基于复泽尼克矩的鲁棒零水印算法,以抵抗各种信号处理操作和几何变换。零水印算法改变了在原始数据中嵌入水印的操作方法。而是利用原始数据的重要特征来构造水印信息,成功地避免了鲁棒性与不可见性的矛盾,提高了水印的鲁棒性。首先对被测图像进行位移和缩放标准化处理,然后计算标准化图像的复泽尼克矩参数,得到参数值;将参数值二值化后,构造作为水印的特征图像。实验结果表明,该方法对各种攻击特别是几何攻击具有较强的鲁棒性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Robust image zero-watermarking based on Complex Zernike moment
This paper proposes a robust zero-watermarking algorithm based on Complex Zernike moment to resist various signal processing operations and geometric transformations. Zero watermarking algorithm changes the operation method of embedding watermark in the original data. Instead, it employs the significant characteristics of the original data to construct watermarking information to successfully avoid the contradiction between robustness and invisibility and increase the robustness of the watermarking. First, perform displacement and scaling standardization process for the tested image, then calculate the Complex Zernike Moment argument of the standardized image to get an argument value; after binarization of the argument value, construct the feature image regarded as watermarking. Experimental results show that the proposed method has strong robustness to various attacks specially geometric attacks.
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