During the watermark detection, the image suffered from geometric attacks is firstly corrected.
在水印检测时，先对遭受几何攻击的含水印图像进行校正。
In image watermarking, the watermark's vulnerability to geometric attacks has long been a difficult problem.
抗几何攻击的鲁棒图像水印算法研究是一项富有挑战性的工作。
A new feature-based image watermarking scheme robust to unclassified geometric attacks is proposed in this paper.
提出了一种抵抗一般性几何攻击的数字水印新算法。
The simulation results show that the proposed scheme achieves good image quality and it is robust to geometric attacks.
实验结果表明，该算法能获得很好的图像质量，且能十分有效地抵抗各种几何攻击。
The image watermark scheme based on Scale Invariant feature Transform (SIFT) feature is proposed for resisting geometric attacks.
提出一种利用尺度不变特征变换(SIFT)特征点实现对抗几何攻击的水印方案。
The experimental results show that its robustness to geometric attacks, and other most common image processing manipulations and attacks.
实验结果表明该方法对几何攻击和其它常用图像处理攻击具有鲁棒性。
This algorithm is fully robust against the increase attacks and geometric attacks such as translation, rotation, equal scaling and so on;
实验结果表明，该算法对均匀缩放、旋转、平移等几何攻击以及增添攻击具有完全的健壮性；
An empirical study shows that the proposed algorithm is not only effective to retrieve target images the user want, but also robust to noise and geometric attacks.
实验结果表明，本文检索算法不但能够准确、高效的检索出用户所需图像，而且对噪声攻击和几何形变攻击均具有较好的鲁棒性。
It might fail to detect watermarking now that geometric attacks perform on a watermarked image and destroy the synchronization of the watermark signals embedded in the image.
几何攻击作用在加载有水印的图像上，水印同步信息被破坏，导致水印检测失败。
Compared with traditional zero-watermarking methods and digital hologram watermarking methods, the suggested watermarking scheme provides better performance for resisting geometric attacks.
与传统的零水印算法及数字全息水印算法相比，本文算法具有更好的抗几何攻击性能。
For the detection of digital watermarking from the image geometric attacked, a method estimated the type of geometric attacks from the watermarked image according to image pixel is proposed.
在数字水印技术中，针对含水印图像遭受几何攻击后的水印检测问题，提出了根据图像像素判断含水印图像遭受的几何攻击类型的方法。
Simulation results show the proposed scheme, with robustness enough against general signal processing, can effectively resist geometric distortion attacks.
实验表明，该方案不仅对一般信号处理具有稳健性，也能够很好地抵御随机几何失真攻击。
Experimental results show that the algorithm has more embedding capacity and robust to common attacks and geometric distortion.
实验结果表明该算法有较大的嵌入容量，对常规攻击和几何攻击都具有较强的鲁棒性。
Experimental results show that the algorithm has more embedding capacity and robust to common attacks and geometric distortion.
实验结果表明该算法有较大的嵌入容量，对常规攻击和几何攻击都具有较强的鲁棒性。
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