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   乘性隐藏 的翻译结果: 查询用时:0.008秒
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乘性隐藏
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  “乘性隐藏”译为未确定词的双语例句
     In the design part, we present a theoretical framework for digital watermark energy estimation based on energy conversation characteristic of unitary transforms, covering additive, multiplicative and exponential hiding methods.
     运用酉变换能量不变的性质,扩展提出了基于加性隐藏、乘性隐藏和指数隐藏方法的水印能量估计方法,建立了PSNR和嵌入强度的关系。
短句来源
     On the basis of globally stationary generalized Gaussian model, several frameworks for blind detection of adaptively additive, multiplicative and exponential watermark are derived by means of statistical signal detection theory. Linear correlation detector, Hernandez's detector, Kalker's detector and Barni's detector can be included in these frameworks.
     运用极大似然估计方法,提出了基于两类乘性隐藏方法和指数隐藏方法的盲水印检测框架,而已有的线性相关检测器、Hernández检测器、Kalker检测器和Barni检测器均是这些框架中的特例。
短句来源
     A binary bitmap is multiplicatively embedded in high frequency of the image wavelet coefficients. The statistical distribution characteristics of the wavelet coefficients is modeled by Laplacian distribution. A blind watermark detector is derived by means of maximum likelihood(ML) method.
     算法中利用乘性隐藏方法在原始图像小波高频系数中嵌入一幅二值图像信息,通过拉普拉斯分布对原始图像小波变换域高频系数的统计分布特性进行建模,然后采用最大似然(ML)法推导得出了一个盲水印检测器,并且利用该检测器实现了一个有意义图像的盲水印算法。
短句来源
  相似匹配句对
     Hidden/Cach
     《隐藏
短句来源
     Imagination about Sex
     ,着想象的翅膀
短句来源
     (2)high reliability;
     (2)高可
短句来源
     Robustness and hiding are the key technologies of watermarking technology.
     鲁棒隐藏是水印技术的关键。
短句来源
     Hidden Pictures
     隐藏
短句来源
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This paper presents a meaningful blind algorithm in wavelet domain. A binary bitmap is multiplicatively embedded in high frequency of the image wavelet coefficients. The statistical distribution characteristics of the wavelet coefficients is modeled by Laplacian distribution. A blind watermark detector is derived by means of maximum likelihood(ML) method.And then it implements a meaningful blind algorithm with this detector. Experimental results show that the proposed algorithm is robust to several kinds...

This paper presents a meaningful blind algorithm in wavelet domain. A binary bitmap is multiplicatively embedded in high frequency of the image wavelet coefficients. The statistical distribution characteristics of the wavelet coefficients is modeled by Laplacian distribution. A blind watermark detector is derived by means of maximum likelihood(ML) method.And then it implements a meaningful blind algorithm with this detector. Experimental results show that the proposed algorithm is robust to several kinds of distortions.

提出了一种基于小波变换域的有意义图像盲水印算法。算法中利用乘性隐藏方法在原始图像小波高频系数中嵌入一幅二值图像信息,通过拉普拉斯分布对原始图像小波变换域高频系数的统计分布特性进行建模,然后采用最大似然(ML)法推导得出了一个盲水印检测器,并且利用该检测器实现了一个有意义图像的盲水印算法。实验表明该算法具有较好的隐蔽性和鲁棒性。

 
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