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visible watermark
相关语句
  可见水印
     A novel adaptive visible watermark algorithm
     一种新颖的自适应可见水印算法
短句来源
     The experimental results show that the watermarked image generated by this algorithm maintains both the quality of the host image and details of the visible watermark.
     实验结果表明,本算法生成的含水印图像既可保持宿主图像的质量,又能使可见水印细节可见;
短句来源
     Based on the characteristics of normalized block variances,the visible watermark is adaptively embedded in spatial domain to achieve the goal of copyright notification.
     根据归一化块方差特性在空域中自适应地嵌入可见水印 ,以实现版权通知功能 .
短句来源
     Firstly, by analyzing former researches and visible watermark characteristics, a visible watermarking algorithm with feature of holding image content is realized.
     通过分析前人的研究进展,结合可见水印特性,在小波域实现了一种具有图像内容保持特性的可见水印算法;
短句来源
     This paper presents a new dual robust watermarking algorithm named VW&IVW. Firstly,it embeds a visible watermark into host image based on image fusion. Secondly,it embeds a robust invisible watermark into the important wavelet tree coefficients of the visible watermarked image based on neighbor correlation.
     提出了VW&IVW双重鲁棒性水印嵌入算法,在基于图像融合的可见鲁棒性水印基础上,根据邻域相关性再次在含可见水印图像的重要小波树系数中嵌入鲁棒的不可见水印,从而为数字媒体提供双重保护,能有效遏制非法复制和篡改。
短句来源
更多       
  可视水印
     A New Visible Watermark Embedding Algorithm Based on DWT
     一种新的基于小波变换的自适应可视水印嵌入算法
短句来源
     A wavelet-energy-based algorithm of visible watermark
     一种基于小波能量的可视水印算法
短句来源
     With still image being research subject, this paper presents a wavelet energy based watermarking algorithm that transforms the raw signal from spatial field to wavelet field and then embeds a visible watermark into its biggest block of coefficients by analyzing the distribution of the signal energy.
     以静态图像为研究对象 ,提出了一种基于小波系数能量嵌入可视水印的算法 ,即首先对宿主信号进行小波变换 ,然后根据宿主信号在小波域的能量分布特征 ,把水印信息隐藏在能量最大的系数子块中 ;
短句来源
  “visible watermark”译为未确定词的双语例句
     An Algorithm of Auto-adaptation Visible Watermark Based on Image
     自适应可见图像水印算法
短句来源
     2. Two watermark algorithms based on DWT (blind watermark algorithm and visible watermark algorithm) are presented.
     2.提出了基于小波域的两种数字水印算法:盲检测隐形水印算法和可见数字水印算法。
短句来源
     After jepg compress,crop,noises and filters attacks from MATLAB emluator,we still extract a visible watermark. According to the results,we can draw a conclusion that this arithmetic is better robust than digital image watermark arithmetic based on Wavelet Transform.
     通过Matlab的仿真程序对水印图像进行JPEG压缩、剪切、加噪声、滤波等多种攻击实验后,仍然可以提取较为清晰的水印,从而得出该算法较小波变换水印算法具有更好的鲁棒性结论。
短句来源
     Simulation results show that the proposed method may improve the PSNR for embedding the visible watermark and enhance the robustness of the invisible watermark.
     实验结果显示,所提的方法能有效改善数字水印技术中图像品质与水印鲁棒性相互制衡的问题。
短句来源
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  visible watermark
Most commercial television channels use video logos, which can be considered a form of visible watermark, as a declaration of intellectual property ownership.
      
Upon sliding the sheet into alignment with the printed image, a visible watermark appears.
      
Visible watermark is such a watermark that it appears visible to a casual viewer on a careful inspection.
      
The scheme inserts a visible watermark and then inserts an invisible authentication watermark to the visibly watermarked image block by block.
      
The following is picture shows an image embedded with the visible watermark method using the center position, strength 20 and coverage 25%.
      
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With still image being research subject, this paper presents a wavelet energy based watermarking algorithm that transforms the raw signal from spatial field to wavelet field and then embeds a visible watermark into its biggest block of coefficients by analyzing the distribution of the signal energy. On the other hand, the algorithm employs adaptive coefficient to improve watermark's imperceptibility. Simulations prove the algorithm imperceptible and robust to common signal processing and some vicious...

With still image being research subject, this paper presents a wavelet energy based watermarking algorithm that transforms the raw signal from spatial field to wavelet field and then embeds a visible watermark into its biggest block of coefficients by analyzing the distribution of the signal energy. On the other hand, the algorithm employs adaptive coefficient to improve watermark's imperceptibility. Simulations prove the algorithm imperceptible and robust to common signal processing and some vicious attacks.

以静态图像为研究对象 ,提出了一种基于小波系数能量嵌入可视水印的算法 ,即首先对宿主信号进行小波变换 ,然后根据宿主信号在小波域的能量分布特征 ,把水印信息隐藏在能量最大的系数子块中 ;为提高水印信息的透明性 ,算法还同时引入了水印自适应系数。实验结果表明 ,该算法透明性较好 ,并对常见信号处理和某些恶意攻击具有较好的鲁棒性

In this paper,a wavelet domain visible watermarking technique has been proposed,where the scaling factors are determined by using both host and watermark features.The pixel-based adaptive scaling of watermark image is most suitable to make the degree of marking applied variable according to both host and watermark features.The experimental results have shown that the resulting image meets the requirements of visible watermarks quite well.

本文提出一种小波域的自适应可见水印处理算法 ,该算法通过特殊设计的视觉模型 ,根据主图像和水印图像的特征 ,逐点确定水印嵌入的拉伸系数 ,从而使水印的嵌入程度依主图像和水印图像的特征变化而变化 .实验表明 ,结果图像中的水印半透明地呈见在所覆盖的主图像区域 ,很好地保持了原始图像的细节 ,满足了对可见水印的一般性要求

A multipurpose color image watermarking algorithm for copyright notification and protection is proposed.The basic idea is to embed the visible and invisible watermarks into different blocks of the color image,respectively.Based on the characteristics of normalized block variances,the visible watermark is adaptively embedded in spatial domain to achieve the goal of copyright notification.By utilizing the dithered modulation technique,the invisible watermark that can be blindly extracted...

A multipurpose color image watermarking algorithm for copyright notification and protection is proposed.The basic idea is to embed the visible and invisible watermarks into different blocks of the color image,respectively.Based on the characteristics of normalized block variances,the visible watermark is adaptively embedded in spatial domain to achieve the goal of copyright notification.By utilizing the dithered modulation technique,the invisible watermark that can be blindly extracted is embedded in the DCT domain to obtain the aim of copyright protection.Simulation results show that the visible watermark is hard to remove by common operations,the impact of the invisible watermark on the color image quality is slight,and the invisible watermark is robust to common signal processing operations.

本文提出一种用于版权通知和保护的多功能彩色图像水印算法 .其基本思想是在彩色图像的不同区域分别嵌入可见水印和不可见水印 .根据归一化块方差特性在空域中自适应地嵌入可见水印 ,以实现版权通知功能 .利用抖动调制技术在离散余弦变换域 (DCT)中嵌入可盲抽取的不可见水印 ,以实现版权保护功能 .实验结果表明 ,嵌入的可见水印很难去除 ,不可见水印对彩色图像的质量影响很小 ,并对常规处理具有较好的鲁棒性

 
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