The simulation results show that this algorithm has better imperceptibility and robustness.

实验结果表明该算法具有较好的不可检测性和较高的安全性。

This digital image hiding technique improves the imperceptibility and security of hiding image.

该算法保证了隐藏图像的安全性，提高了隐藏的视觉效果。

Experimental result indicates the proposed algorithm has better imperceptibility and robustness.

实验结果表明，该隐写算法具有更好的隐蔽性和鲁棒性。

Simulation results show that the proposed technique has good imperceptibility and high robustness.

实验结果证明，本算法具有很好的隐藏效果和较好的鲁棒性。

The key of digital watermark to copyright protection is the imperceptibility and robustness for embedded information.

用于版权保护的数字水印设计的关键是水印信息嵌入的隐蔽性和抵抗攻击的鲁棒性。

Through comparing the experimental results, the imperceptibility of the embedded information has been improved to some extent.

通过实验对比，改进算法在增强隐藏信息的不可感知性上有一定提高。

Experimental results show the proposed technique has high robustness in image processing operations and good imperceptibility.

实验结果表明，本方法具有较好的不可见性以及对一般图像处理具有一定程度的鲁棒性。

This paper proposes a new image watermarking scheme in order to solve the contradiction between imperceptibility and robustness.

针对如何解决水印不可见性和鲁棒性矛盾这一问题提出了一种新的水印方案。

The experiments show that the algorithm has great function to improve the imperceptibility and robustness of the concealed information.

实验结果表明，该算法对提高信息隐藏的隐蔽性，确保隐藏信息的健壮性具有较好效果。

The experimental results show that the algorithm is realized easily and visually effective with satisfying imperceptibility and robustness.

实验证明，该算法易于实现，具有较好的不可觉察性及鲁棒性，是一种实用的音频水印算法。

The scar is imperceptibility. Conclusion It can reduce postoperative scar and abnormality that we applied aesthetic surgery methods and technique to rep…

结论：颜面部软组织外伤用美容外科技术原则修复可减少后期瘢痕及畸形。

The experimental results show that the algorithm not only has strong robustness and good imperceptibility but also can resist all kinds of common attacks.

实验结果表明该算法具有较强的鲁棒性和不可感知性，可以抵御各种常见的攻击。

Sclerous concrete materials possess the characteristics of imperceptibility, microcosmic and more micro-pores, even excellent high-performance cement possess so.

硬化后混凝土材料具有细观、微观多孔隙特征，即使配制良好的高性能混凝土，也含有微孔隙和微裂纹。

The experimental results show that the new algorithm not only has a good imperceptibility, but also has good performance on resisting the noise and image-cropping.

实验结果表明，该算法不仅具有较好的不可见性，而且有较强的抗噪声和抗裁剪性能。

The research on security of data hiding can be used as guidance to design a steganography or enhance the statistical imperceptibility of an information hiding system.

信息隐藏安全性研究可用以指导隐写算法设计，对信息隐藏来讲具有重要的意义。

Chaos map and singular value decomposition of matrix technology are introduced to improve the watermarking imperceptibility, security and robustness of watermark image.

利用混沌映射结合矩阵奇异分解，将水印信息分散在原始图像的不同位置，提高了水印的视觉效果，保证了水印的安全性。

Human visual system has some masking effects, that is the reason why steganography based on the characteristic of HVS has good visual imperceptibility and large payload.

由于视觉系统具有一些视觉掩蔽效应，因此基于视觉特性的图像隐写算法可以在保证较大的数据嵌入量的同时，使得隐写图像保持良好的视觉效果。

The pixel-value differencing (PVD) steganography has the superiority of high capacity and good imperceptibility, but the original PVD method is vulnerable to histogram analysis.

像素差值）隐写算法具有嵌入容量高和不可见性好的优点。

The algorithm is simulated and analysed. The result of simulation shows that the information hiding algorithm based on QAM modulation has good imperceptibility and high security.

算法进行了实验仿真和性能分析。仿真结果表明基于调制的信息隐藏技术具有较好的不可检测性和较高的安全性。

And the matrix coding help to reduce the proportion of the original audio changes, thereby reducing the effects of the original audio carrier 'imperceptibility when embeded datas.

并且矩阵编码有助于减小对原始音频的修改比例，进而减小嵌入数据对原始音频载体不可感知性的影响。

Finally, according to the definition of difference, this article judges the imperceptibility of watermark algorithm for the GIS vector data through the operation of spatial analysis.

最后，本文从差异性定义出发，通过空间分析操作，判断面向G IS矢量数据水印系统的不可感知性。

Experimental results show that the proposed technique has good efficiency, security, imperceptibility, highly good robustness to common image processing operation and the JPEG lossy compression.

实验表明，该方法简单、高效、安全性能好，且具有较好的不可感知性，对通常的图像处理及JPEG压缩等具有极好的稳健性。

From the experiment results, it indicates that, after the watermarked MPEG-4 video suffer filtering, rotation, scaling and transcoding, the watermark possesses good imperceptibility and robustness.

实验表明，算法在MPEG - 4水印视频经过滤波、旋转、尺度变化、代码转换编码等处理后，水印在可见性和鲁棒性等方面取得了良好的效果。

Digital watermarking is a new technique for digital multimedia copyright protection, the differences of the algorithms make the robustness and the imperceptibility of this technique very different.

数字水印是近年来出现的一种新的数字多媒体产品版权保护技术，用于嵌入水印的算法的不同使得该技术的不可见性，鲁棒性等特性大相径庭。