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Robust zero-watermarking scheme based on novel quaternion radial fractional Charlier moments

机译：基于新型四元线径向分数查理时刻的鲁棒零水印方案

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摘要

In this paper, we propose a zero-watermarking scheme based on a new set of quaternion moments called Quaternion Radial Fractional Charlier Moments (QRFrCMs) for the copyright protection of color medical images. The proposed moments are developed from a new type of discrete orthogonal polynomials called Fractional Charlier Polynomials (FrCPs) and from quaternion theory. The robustness of the proposed scheme is ensured thanks to robustness of the proposed quaternion moments against image processing attacks and geometric attacks where the BCR is greater than 98%. In addition, the scheme uses the fractional order of QRFrCMs and a chaotic system based on two-dimensional CML (2DCML) using mixed linear-nonlinear coupling to provide a high level of security. Experimental results show the superiority of the proposed scheme over other recent schemes in terms of robustness against geometric attacks and common image processing attacks. The proposed scheme can be used for the secure transmission of color medical images over insecure networks.
机译：在本文中，我们提出了一种零水印方案，基于新的四元数矩，称为四元数径向分数查理矩（QRFRCMS）的彩色医学图像的版权保护。所提出的时刻是从一种名为分数查理程序多项式（FRCP）和四元度理论的新型离线正交多项式开发的矩。由于提出的四元数矩对图像处理攻击和BCR大于98％的几何攻击，因此确保了所提出方案的稳健性。另外，该方案使用QRFRCMS的分数顺序和基于二维CML（2DCML）的混沌系统使用混合线性非线性耦合来提供高水平的安全性。实验结果表明，在对几何攻击和常见图像处理攻击的鲁棒性方面，所提出的方案的优越性。所提出的方案可用于通过不安全网络安全传输颜色医学图像。

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