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compression attack
相关语句
  压缩攻击
     The experimental results show that the algorithms are robust for compression attack, and spread spectrumbased algorithm can realize the progressive detection of watermarking.
     实验结果表明,这两种水印算法对于压缩攻击是鲁棒的,并且小波零树扩频水印算法可以进行水印的分级检测,而小波零树量化水印算法则实现了盲检测.
短句来源
     According to the experiment result, the Arithmetic is invisible and robust enough against JPEG2000 compression attack.
     实验证明该算法有很好的透明性,对于JPEG2000压缩攻击有较高的稳健性。
短句来源
     The experimental results show that this algorithm is robust against JPEG compression attack,image processing such as noise,filtering,cropping, etc.
     实验结果表明:该文提出的算法有较强的抵抗JPEG压缩攻击能力,并且对噪声、滤波、剪切等图像处理操作也取得了良好的鲁棒性。
短句来源
     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.
短句来源
  “compression attack”译为未确定词的双语例句
     The result of experiment shows the algorithm to be secure against the JPEG compression attack, cropping attack and some other attacks.
     实验结果显示,该算法表现出良好的检测性能和对包括JPEG压缩、裁剪、高斯噪声、虚假嵌入在内的多种攻击的鲁棒性;
短句来源
     The experimental results have shown that the proposed watermark is invisible to human eyes and very robust to joint photographic experts group compression attack, crop attack and so on.
     实验结果表明该算法具有良好的不可视性和抗联合图像专家组压缩、剪切、滤波等攻击的能力。
短句来源
  相似匹配句对
     mechanical compression;
     机械性压迫损伤组;
短句来源
     ART ATTACK
     感染艺术气息
短句来源
     Compression Spring
     压缩弹簧的多目标模糊优化设计
短句来源
     Attack of the Butterfly
     人蝶之战
短句来源
     Using synchronization enhances the robustness of the watermark to resist the attack of compression and resampling.
     3.使用同步控制,提高水印的抗剪裁、重采样等攻击的鲁棒性;
短句来源
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  compression attack
We also computed the ROC curves after JPEG compression attack.
      
The results of the tests have been plotted for the mp3 compression attack in Figure 2, and in Figure 3 for the low pass filter attack.
      
The kind of compression attack is also important, while marking intensity and compression ratio seem to have less effect on performance.
      
In case of JPEG compression attack with quality factor 1, we observed no error with semi-blind detection.
      
For the JPEG compression attack, the simulation is performed for a wide variety of quality factors ranging from 10% to 90%.
      


With the development of network techniques, the security issue of multimedia information becomes more and more important. The digital watermarking technique is an effective way for copyright protection of multimedia information, and becomes an exciting research field. In this paper, two wavelet zerotreebased watermarking algorithms are proposed. They adopt the wavlet zerotree structure defined in Embedded Image Coding algorithms, and use the principles of spread spectrum and quantization, respectively. The...

With the development of network techniques, the security issue of multimedia information becomes more and more important. The digital watermarking technique is an effective way for copyright protection of multimedia information, and becomes an exciting research field. In this paper, two wavelet zerotreebased watermarking algorithms are proposed. They adopt the wavlet zerotree structure defined in Embedded Image Coding algorithms, and use the principles of spread spectrum and quantization, respectively. The experimental results show that the algorithms are robust for compression attack, and spread spectrumbased algorithm can realize the progressive detection of watermarking.

针对数字图像水印与图像压缩这个二元性问题,提出了两种在图像的压缩域中嵌入水印的算法.算法利用嵌入式小波零树编码算法中的小波零树结构,分别采用扩频思想和量化思想,称之为小波零树扩频水印算法和小波零树量化水印算法.实验结果表明,这两种水印算法对于压缩攻击是鲁棒的,并且小波零树扩频水印算法可以进行水印的分级检测,而小波零树量化水印算法则实现了盲检测.

An digital watermarking arithmetic, base on DWT, for JPEG2000 standard is studied and actualized. After Arnold transform, Watermarks were embedded in the lowest-frequency sub band of the original image's blue part. According to the experiment result, the Arithmetic is invisible and robust enough against JPEG2000 compression attack.

结合JPEG2000压缩标准的特点,研究实现了一种小波域的数字水印算法。水印图像用Arnold变换进行保密处理,提取原图像的蓝色分量进行小波变换,然后把水印信息嵌入在最低频子带系数上。实验证明该算法有很好的透明性,对于JPEG2000压缩攻击有较高的稳健性。

In view of the human visual system(HVS) and by employing the characteristics of multi-resolution analysis of the two-dimension discrete wavelet transform(DWT) and venation characteristics,an adaptive watermark embedding algorithm is proposed in this paper.The wavelet zerotrees are selected carefully and the important wavelet coefficients of the lowest frequency are classified in the algorithm.According to different groups,the watermark was embedded in different ways through the human visual system and the characteristic...

In view of the human visual system(HVS) and by employing the characteristics of multi-resolution analysis of the two-dimension discrete wavelet transform(DWT) and venation characteristics,an adaptive watermark embedding algorithm is proposed in this paper.The wavelet zerotrees are selected carefully and the important wavelet coefficients of the lowest frequency are classified in the algorithm.According to different groups,the watermark was embedded in different ways through the human visual system and the characteristic of texture.The experimental results show that this algorithm is robust against JPEG compression attack,image processing such as noise,filtering,cropping, etc.

根据人眼的视觉系统特性,结合二维离散小波变换的多分辨率分析特性,纹理特性,提出一种小波零树结构的自适应彩色图像水印嵌入算法。该算法精选小波零树,对重要小波系数进行分类。并根据人类视觉特性和纹理特性,对不同类采用不同的嵌入方法。实验结果表明:该文提出的算法有较强的抵抗JPEG压缩攻击能力,并且对噪声、滤波、剪切等图像处理操作也取得了良好的鲁棒性。

 
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