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首页> 外文会议>The Second International Conferencen Networks Security, Wireless Communications and Trusted Computing (NSWCTC 2010) >Geometrically Invariant Color Image Watermarking Using Mean-Based 2D Color Histogram
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Geometrically Invariant Color Image Watermarking Using Mean-Based 2D Color Histogram

机译：使用基于均值的二维彩色直方图的几何不变彩色图像水印

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摘要

Watermark resistance to geometric attacks is a crucial issue in watermark system design. Challenging cropping and recently reported random bending attacks (RBAs) are still the Achilles heel for most of the existing watermarking schemes. This paper presents a geometric attacks resistant zero-watermarking scheme for color images, which is based on one of the image geometric invariant representationsȁ4;the mean-based 2D color histogram extracted from two different color components by reference to the mean value of the effective pixels of each component. Experimental results demonstrate that the proposed method provides a satisfactory performance for various geometric attacks and common image processing operations, including affine transformations, cropping, RBAs, additive noise, filtering, JPEG compression, etc.
机译：抗水印几何攻击是水印系统设计中的关键问题。挑战性的耕作和最近报道的随机弯曲攻击（RBA）仍然是大多数现有水印方案的致命弱点。本文提出了一种基于彩色图像几何不变表示ȁ4的彩色图像抗几何攻击零水印方案；参考有效像素的均值从两个不同的颜色分量中提取基于均值的二维彩色直方图每个组件。实验结果表明，该方法为各种几何攻击和常见的图像处理操作提供了令人满意的性能，包括仿射变换，裁剪，RBA，加性噪声，滤波，JPEG压缩等。

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