一种基于不变特征的rst弹性水印方案

2007 Third International IEEE Conference on Signal-Image Technologies and Internet-Based System Pub Date : 2007-12-16 DOI:10.1109/SITIS.2007.11

Yuxin Zhao, Guangjie Liu, Yue-wei Dai, Zhiquan Wang

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引用次数: 5

摘要

提出了一种基于不变特征的rst弹性水印方案。利用小波低频子图像的尺度不变点实现RST(旋转尺度平移)攻击后的再同步。采用改进的HVS模型将乘性扩频水印嵌入到离散小波变换域，并采用最优水印检测算法增强水印的鲁棒性。实验表明，该算法可以抵抗RST攻击和一般图像处理攻击。

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A RST-Resilient Watermarking Scheme Based on Invariant Features

A RST-resilient watermarking scheme based on invariant features are proposed in this paper. The scale-invariant points of wavelet low-frequency sub-image are used to realize resynchronization after RST (Rotation Scale Translation) attacks. An improved HVS model is adopted to embed multiplicative spread spectrum watermark in DWT (Discrete Wavelet Transform) domain, and optimal water- marking detection algorithm is employed to enhance robustness of watermarking. Experiments demonstrate that the proposed scheme can resist both RST and general image processing attacks.

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来源期刊

2007 Third International IEEE Conference on Signal-Image Technologies and Internet-Based System

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