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基于Contourlet变换的数字版权保护水印技术

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摘要 提出了一种融合Contourlet变换和SVD分解的数字版权保护水印算法。利用图像Contourlet变换系数的稀疏特性和SVD的稳定性特点进行数字水印嵌入和检测。实验证明了该技术在多种攻击下具有很好的鲁棒性。
出处 《数字技术与应用》 2012年第9期190-190,192,共2页 Digital Technology & Application
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