Feature-based Digital Image Watermarking Scheme Robust to Geometric Attacks

Xiangyang Wang

doi:10.3724/sp.j.1004.2008.00001

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JOURNAL ARTICLE

Feature-based Digital Image Watermarking Scheme Robust to Geometric Attacks

Xiangyang Wang

Year: 2008 Journal: ACTA AUTOMATICA SINICA Vol: 34 (1) Publisher: Elsevier BV

DOI: 10.3724/sp.j.1004.2008.00001

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Abstract

摘要: 提出了一种抵抗一般性几何攻击的数字水印新算法. 该算法首先利用多尺度 Harris 检测算子从载体图像中提取出稳定的特征点; 然后根据特征尺度自适应确定局部特征区域, 并对其实施归一化处理; 最后结合预失真补偿理论, 采纳 DFT 中频幅值比较策略将水印信息重复嵌入到多个归一化局部特征区域内. 仿真实验表明, 本文算法不仅具有较好的透明性, 而且对常规信号处理和一般性几何攻击均具有较好的鲁棒性. 关键词: 图像水印 / 一般性几何攻击 / 特征点 / 归一化 / 预失真补偿

Keywords:

Digital watermarking Scheme (mathematics) Computer science Feature (linguistics) Image (mathematics) Artificial intelligence Computer vision Digital image Image processing Mathematics

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Advanced Steganography and Watermarking Techniques

Physical Sciences → Computer Science → Computer Vision and Pattern Recognition

Advanced Image and Video Retrieval Techniques

Physical Sciences → Computer Science → Computer Vision and Pattern Recognition

Chaos-based Image/Signal Encryption

Physical Sciences → Computer Science → Computer Vision and Pattern Recognition

Feature-based Digital Image Watermarking Scheme Robust to Geometric Attacks

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