In this paper, we firstly introduce the theory of JPEG compression algorithm.
本论文采用JPEG标准，完成了JPEG编码算法的芯片设计。
JPEG compression problems have very different characteristics than regular image ISO noise.
JPEG压缩的图像比普通的问题，ISO噪声非常不同的特点。
We implied the JPEG compression program on this platform, and summarize our work in this paper.
在这个平台上我们实现了JPEG压缩程序，本文是对这一工作的总结。
Till now, JPEG compression standard is more widely used since it's released by ISO/ITU in 1992.
在数字图像压缩领域，国际标准化组织于1992年推出的JPEG标准应用最为广泛。
The experimental results show that the hidden watermark is robust to cropping and JPEG compression.
实验结果表明了分块SVD图像水印算法的有效性和稳健性。
And the traditional, such as JPEG compression technology can not meet the requirements of digital movies.
而传统的JPEG等压缩技术无法满足数字电影的要求。
Experimental results show that the proposed technique can resist noise interference, linear filtering, and JPEG compression.
实验表明，这种方法能够抵御噪声干扰、线性滤波和JPEG压缩编码，具有良好的应用价值。
Experiments prove that the algorithm has a strong robustness to resist wave filtering, JPEG compression and ordinary geometric attack.
大量实验表明，本算法对抵抗各种滤波、JPEG压缩以及一些几何攻击具有较强的稳健性。
Set chart JPEG compression strength This value determines the amount of compression used for charts displayed in the ClearQuest chart view.
SetchartJPEG compressionstrength此值决定了用于ClearQuest chart视图中显示图表的压缩率。
Experiment results show that this algorithm has better robustness in JPEG compression, random noising attacks, cutting and noise adding.
实验结果表明该算法对JPEG压缩、随机噪声攻击、剪切及加噪等具有较高的鲁棒性。
The experimental results show that it is a high robust algorithm against JPEG compression and cropping, median filtering and noise adding.
实验结果表明，该算法对JPEG压缩、剪切、中值滤波、加噪等具有较好的鲁棒性。
Instead, they may very well be looking for image optimisation, JPEG compression, graphic formats, save pictures, camera software and so on.
相反，他们很可能找的是图像优化，JPEG压缩，图像格式，保存图片，拍照软件等。
The experimental results prove that this algorithm is invisible, robust against the attack of JPEG compression, noise and cut-and-paste attack.
实验结果证明该算法具有良好的不可见性，对JPEG压缩、噪声攻击和剪切攻击都有很好的鲁棒性。
Since the current self-embedding watermarking techniques are too fragile to resist noise or JPEG compression, so sure to limit in practicability.
现在的自嵌入水印技术大多比较脆弱，特别是在抗JPEG压缩方面显得过于脆弱，因此在实用性方面受到一定限制。
In the experimental phase, image with watermark has been attacked in several ways, such as cropping, scaling, noise, JPEG compression and tampering.
在实验阶段，对嵌有水印的图像进行了剪切、缩放、噪声干扰、JPEG压缩和篡改等攻击实验。
Optimize to File Size: Ability to automatically select both the file format (JPEG or GIF) and JPEG compression level to achieve the selected file size.
优化文件大小：可以自动选择文件格式（jpeg或gif）和选择jpeg的压缩率，以实现选定的文件大小。
Optimize to file size: Ability to automatically select both the file format (JPEG or GIF) and JPEG compression level to achieve the selected file size.
优化文件巨细：能够主动挑选文件体例(jpeg或gif)和挑选jpeg的紧缩率，以完成选定的文件巨细。
The security can be guaranteed by the key. The simulation results show the robustness is stronger against the attacks such as noise, JPEG compression, …
仿真结果表明，该水印方案在抗各种噪声、JPEG压缩、裁剪、滤波、直方图均化及对比度变化等多种攻击时具有较强的稳健性。
Analyzing the character of the authentication algorithm in the compression field and designing a secure authentication algorithm in the JPEG compression field.
针对互联网上图像传播的需要，分析了压缩域中认证算法所应有的特征，并设计了在JPEG压缩域中的安全认证算法。
The experimental results show that this algorithm possesses better invisibility and has good robustness to clipping, noise, filtering and JPEG compression attack.
实验结果表明该算法具有较好的不可见性，对剪切、噪声污染、滤波、JPEG压缩攻击具有良好的鲁棒性。
Experimental results show that the above method has good transparency and better robustness on the condition attacked by the noise, JPEG compression and cropping.
实验结果证明，以上方法在盲水印具有较好的透明性，在噪声、JPEG压缩、几何剪切等攻击下均具有较好的鲁棒性。
And also, this scheme is better than the traditional techniques on being robust against many attacks such as cutting, low-passing filtering, and JPEG compression.
与传统算法相比，本文算法在抗剪切处理、低通滤波，JPEG压缩等方面具有更好的鲁棒性。
Compared with the other spread spectrum algorithm, this one is more robust against the typical image processing attacks such as adding noise, filtering and JPEG compression.
水印对剪切、JPEG有损压缩、中值滤波、抵抗噪声干扰等常规图像处理手段比较其他的随机序列扩频算法具有更好的鲁棒性。
Experimental results show that this algorithm is robust and the hiding text is invisible, and it is excellent in resisting the JPEG compression resistance, noise and clipping.
实验表明，该算法具有较强的鲁棒性和不可见性，在抵抗JPEG压缩、噪声、剪切等干扰具有较优良的性能。
The experiments results show that this algorithm has a good robustness for the JPEG compression with the fixed coefficient, and a good fragileness for the illegal manipulation.
实验证明该算法对固定系数的JPEG压缩有较好的鲁棒性，并对图像的恶意篡改有较好的脆弱性。
Compared to the original algorithm, the security and the ability of resisting some attacks such as cutting and JPEG compression were obviously enhanced in the watermark system.
改进后的算法与改进前相比较，水印系统的安全性得到了提高，且对抗剪切、JPEG压缩等攻击的能力明显增强。
The experimental results show that both of them can resist signal distortions such as JPEG compression, Gauss noise, and the improved algorithm has better robustness and security.
从试验结果看，两种算法能够抵抗JPEG压缩以及高斯噪声等信号处理的攻击，且改进后的算法水印鲁棒性及保密性得到了增强。
Experimental results show that the proposed scheme is robust for some image processing operations such as lossy JPEG compression, low pass filtering, median filtering and cropping.
实验结果表明水印是不可察觉的，经过JPEG有损压缩、低通与中值滤波、剪切等图像处理操作后仍是鲁棒的。
Experimental results show that the proposed scheme is robust for some image processing operations such as lossy JPEG compression, low pass filtering, median filtering and cropping.
实验结果表明水印是不可察觉的，经过JPEG有损压缩、低通与中值滤波、剪切等图像处理操作后仍是鲁棒的。
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