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asymmetric watermarking
相关语句
  非对称水印
     Asymmetric Watermarking Schemes
     非对称水印
短句来源
     On Asymmetric Watermarking Testing Structure Based on Correlation and Random Rotation Transformation
     基于相关性和随机旋转变换的非对称水印检验结构
短句来源
     An Asymmetric Watermarking System Based on Multiple Detection Watermarks
     一种基于多检测水印的非对称水印系统
短句来源
     Asymmetric Watermarking Algorithm based on Eigenvector and Equation Which Has Innumerable Solutions
     基于特征向量和方程无穷解的非对称水印算法
短句来源
     An Improvement Asymmetric Watermarking Scheme Based on Spread Spectrum
     一种改进的扩频非对称水印方案
短句来源
更多       
  非对称数字水印
     A Layered Asymmetric Watermarking System
     一种分层结构的非对称数字水印系统
     An Asymmetric Watermarking Scheme Based on Phase Shift
     基于相位偏移的非对称数字水印
短句来源
     Based on traditional spread-spectrum watermarking, we discuss an asymmetric watermarking scheme using random-phase-shift.
     在传统扩频水印技术的基础上,我们讨论了一种基于相位偏移的非对称数字水印方案。
短句来源
     1. To the problem of copyright protection, we propose an asymmetric watermarking method based feature space decomposing. Passing feature space decomposing of digital image, we obtain that the robustness of the approach lies in hiding a watermark in the subspace that is least susceptible to potential modification.
     1.针对数字图像的版权保护问题,提出一种基于特征空间分解的非对称数字水印方法,即首先通过对数字图像的特征空间的进行分解,将水印嵌入到最少受图像改变影响的子空间中,因而使得嵌入的水印具有鲁棒性,同时,由于嵌入水印的矩阵(密钥)与提取水印的矩阵(公钥)不同,我们可以公开除了密钥外所有其他所有的信息。
短句来源
     To the problem of digital picture's copyright protection,we propose an asymmetric watermarking method based on feature space decomposing. Passing feature space decomposing of digital image,we obtain that the robustness of the approach lies in hiding a watermark in the subspace that is least susceptible to potential modification.
     针对数字图像的版权保护,提出一种基于特征空间分解的非对称数字水印方法,即对数字图像的特征空间分解,将水印嵌入到最少受图像改变影响的子空间,使嵌入的水印具有鲁棒性.
短句来源
更多       
  非对称水印系统
     An Asymmetric Watermarking System Based on Multiple Detection Watermarks
     一种基于多检测水印的非对称水印系统
短句来源
     The theory analysis and simulation results demonstrate that the asymmetric watermarking system can provide reliable asymmetric detections,and it has high robustness.
     理论分析和仿真结果表明,该非对称水印系统能够提供可靠的非对称检测,系统鲁棒性高.
短句来源
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  asymmetric watermarking
A new asymmetric watermarking scheme is proposed in this letter.
      
A new asymmetric watermarking scheme based on a real fractional DCT-I transform
      
The reason why asymmetric watermarking schemes may provide a solution to the closest point attack can be explained as follows.
      
The asymmetric watermarking scenario is analyzed in section 5, where the challenges and opportunities set by public-key watermarking are reviewed.
      
This is why public-detection watermarking is usually referred to as asymmetric watermarking.
      
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Watermark technology has been developed to tackle the problem of unauthorized copying and distribution of digital data.Many different schemes have been proposed in the last few years,but most of them are symmetric,i.e.,the key used for watermarking embedding is just the same used for watermarking detection.However,in many applications it needs an asymmetric scheme ,where a private key is used for watermark embedding,and a public key is used for wa-termark detection.This paper discusses some basic characters...

Watermark technology has been developed to tackle the problem of unauthorized copying and distribution of digital data.Many different schemes have been proposed in the last few years,but most of them are symmetric,i.e.,the key used for watermarking embedding is just the same used for watermarking detection.However,in many applications it needs an asymmetric scheme ,where a private key is used for watermark embedding,and a public key is used for wa-termark detection.This paper discusses some basic characters of asymmetric watermark,and review some asymmetric wa-termarking algorithms and asymmetric watermarking protocols.

在数字产品中嵌入数字水印,是对其进行版权保护的一种有力的手段。近年来提出了不少数字水印方案,但是它们中大部分都是对称的,即用于水印嵌入和水印检测的密钥是相同的。而许多实际的应用都要求非对称的数字水印方案,即水印嵌入时使用私人密钥,水印检测时只需要一个公开密钥。文章分析了非对称水印的基本特征,并对一些非对称方案,包括非对称水印算法和非对称水印协议进行了讨论。

Many researchers have introduced the encryption concept secret key to digital watermarking schems due to the similarity to the function of copyright protection between digital watermarking and common cryptographic means,and to these two fields can tremendously benefit from each other if properly combined.At earlier this was directional,and public key watermarking and private key watermarking arise since using public key encryption and private key encryption accordingly.However,only the ideal of public key was...

Many researchers have introduced the encryption concept secret key to digital watermarking schems due to the similarity to the function of copyright protection between digital watermarking and common cryptographic means,and to these two fields can tremendously benefit from each other if properly combined.At earlier this was directional,and public key watermarking and private key watermarking arise since using public key encryption and private key encryption accordingly.However,only the ideal of public key was used in watermarking new approach on digital watermarking appearance-asymmetric watennarking.In this paper, the authors will research on asymmetric watermarking schemes in depth,and point out the difference between asymmetric watermarking and traditional watermarking,its advantage,and its limitations.

由于密码学和数字水印技术在产权保护等方面有着相互补充的功能和一些类似之处,人们开始将加密技术中的“密钥”引入水印技术中,从而出现了公开密钥水印和非公开密钥水印。只是当将公开密钥的“思想”引入水印后,才对水印的基本方式和理解进行了改变,这就是“非对称水印”。论文从非对称水印产生的必然性等方面对非对称水印进行比较深入的探讨,指出它与传统水印技术的不同之处及优点,同时指出当前它的发展现状及不足。

Based on traditional spread-spectrum watermarking, we discuss an asymmetric watermarking scheme using random-phase-shift. In this scheme, the phase of a reference watermark is shifted randomly in the DFT domain to make many embedding watermarks. The availability of the extracted watermarks is evaluated by comparing the correlation of them with the reference one. Experimental results show the scheme is practical.

在传统扩频水印技术的基础上,我们讨论了一种基于相位偏移的非对称数字水印方案。通过将一个预先选择的基准水印在其DFT域中进行随机相位偏移,产生多个实际加入的水印序列,利用各序列与基准水印的相关性,即可由基准水印实现对水印信息的非对称检测。实验结果表明,该方案具一定实用价值。

 
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