ÁûdA©nRÈ%>L*JµÕiôóªqQ$ 关键词: 数字水印；几何攻击；特征 [gap=1274]Key words: digital watermarking, geometrical attacks, feature
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Geometrical attacks can cause the loss of synchronism between the watermarking embedding and the detection,thus have negative effect on watermark detection.
几何攻击会使水印嵌入与检测失去同步,影响水印的检测。
参考来源 - 基于DWT及方向可控金字塔变换的抗几何攻击水印·2,447,543篇论文数据，部分数据来源于NoteExpress
In this paper, the attacks on image are geometrical attacks, including Flipping, Scale and Rotation.
为了增强水印的抗几何攻击能力，本文提出了一种基于图像内容的水印方案。
The algorithm has very strong robustness for some geometrical attacks, compression, filtering and cropping.
算法有较强的抗几何攻击能力，同时对剪切、压缩、滤波等攻击也有较强的鲁棒性。
The experimental results show that the information hiding algorithm can resist not only the common image processing attacks, but also the geometrical attacks.
实验表明该信息隐藏算法能有效抵抗几何攻击和常规图像处理攻击。
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