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。
The watermarking technique robust to both signal processing attacks and geometrical attacks is one of the hotspots and difficulties in the digital watermarking research.
能有效抵抗信号处理又能抵抗几何攻击是当今数字水印研究的热点和难点之一，提出一种能够抵抗信号处理、旋转、缩放和平移的鲁棒视频水印。
The watermarking technique robust to both signal processing attacks and geometrical attacks is one of the hotspots and difficulties in the digital watermarking research.
能有效抵抗信号处理又能抵抗几何攻击是当今数字水印研究的热点和难点之一，提出一种能够抵抗信号处理、旋转、缩放和平移的鲁棒视频水印。
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