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watermark image
相关语句
  水印图像
     The watermarking algorithm adopts the DCT and encryption technologies to the embedded watermark image.
     该算法首先对水印图像进行离散余弦变换,再对变换后的水印图像进行加密,然后将加密后的水印图像嵌入到DCT变换后的原始图像中。
短句来源
     The watermark image is first transformed by Arnold transform to an unmeaning image in time field,then inserted watermark image into key coefficients of DWT different direction,and realized sign image watermark.
     利用Arnold置换方法对水印图像作时域上的变换,将秘图变换成无意义的图像,达到加密的效果,再根据提出的一种小波变换域的数字水印算法,将水印图像嵌入到小波变换的不同方位的重要系数当中,文中实现了标志图像水印。
短句来源
     In this paper,firstly,the color original image and color watermark image are converted from RGB mode to YIQ mode,then Y,I and Q of color watermark are embedded into coefficients respectively which Y,I and Q of the color original image use DWT.
     算法首先将彩色原始图像和彩色水印图像从RGB模式转换到YIQ模式,然后将彩色水印图像的Y,I,Q分量分别嵌入到彩色原始图像Y,I,Q分量的DWT变换系数中.
短句来源
     Hiding Algorithm of Multi Watermark Image
     多幅水印图像的隐藏算法
短句来源
     In the light of safety of the transmission of multi-media data in network,thesystem model of watermark and embed algorithm of single watermark image is studied,and the multi images digital watermark algorithm based on XOR operation is presented,The feasibility and validity are proved by the result of experiment.
     针对多媒体数据网络传输的安全性问题 ,研究了数字水印系统模型和单幅水印图像的嵌入算法 ,并且给出了基于XOR运算的多幅图像的数字水印算法 ,实验结果表明了算法的可行性和有效性
短句来源
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  图像水印
     The watermark image is first transformed by Arnold transform to an unmeaning image in time field,then inserted watermark image into key coefficients of DWT different direction,and realized sign image watermark.
     利用Arnold置换方法对水印图像作时域上的变换,将秘图变换成无意义的图像,达到加密的效果,再根据提出的一种小波变换域的数字水印算法,将水印图像嵌入到小波变换的不同方位的重要系数当中,文中实现了标志图像水印
短句来源
     A scheme for watermark image of a second generation wavelet transformation
     一种二代小波变换的图像水印方案
短句来源
     The article presents the scheme by using the traditional scheme of wavelet multi-resolution watermark image.
     根据一种整数二代小波变换的特点,利用传统小波多分辨率图像水印方案,给出一种多分辨率图像水印方案。
短句来源
     In order to realize intelligence property protection and information security of digital products in network communication, the paper proposes a novel blind audio digital watermark algorithm on the foundation of modulated with m - sequence. First, the algorithm converts the two - dimension binary watermark image into the one -dimension sequence. Then, the sequence is modulated with m -sequence.
     为有效实现网络环境下数字产品的版权保护和信息安全,在m序列调制的量化音频水印算法的基础上,提出了一种新的盲音频数字水印算法,将二维二值图像水印降为一维序列,再将水印序列与m序列做扩频调制,最后对音频信号进行分段离散余弦变换,把经过调制的水印信号经过量化处理嵌入到变换域系数上.
短句来源
     The original binary watermark image was firstly encrypted through scrambling technique, and then spread with two orthogonal pseudo-random sequences whose means were equal to zero, finally embedded into the DWT low frequency sub-band of green components.
     原始二值图像水印经过置乱加密,并用均值为零、相互正交的两个伪随机序列扩频后,嵌入到绿色分量经两层DWT变换后的低频子带系数中。
短句来源
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  水印图象
     Digital Watermark Image Based on Discrete Cosine Transformation
     基于离散余弦变换的数字水印图象
短句来源
     In this method, the watermark is a bilevel image, first the raw image in multiresolution is decomposed using DWT,then the watermark image is permutated and added into the low-frequency wavelet coefficients of multiresolution representation of the original image, finally the image with watermark is reconstructed using IDWT.
     算法采用二值图像作为水印,首先利用二维离散小波变换对原始载体图像进行多级分解,然后置乱二值水印图象,将二值水印数据叠加到图象的低频小波系数上实现水印的嵌入,最后进行逆向小波变换生成嵌入水印后的图象。
短句来源
     In the watermark embedding process,we transform the watermark image into DCT domain,so that we can utilize the different embedding coefficients of each block.
     在图象水印的嵌入方法上,采取了将水印图象进行DCT变换从而可以利用各块比例系数的差异嵌入不同频率的DCT系数。
短句来源
  “watermark image”译为未确定词的双语例句
     The experimental results show that the algorithm can assure good imperceptibility for watermark image and the watermark embedded using the algorithm has good robustness against the attacks such as JPEG-2000 compression,image sharing and noise addition.
     该方法嵌入的水印不可见性好,对JPEG-2000压缩、图像剪切和图像加噪声攻击具有较好的鲁棒性。
短句来源
     The quality assessment of images techniques has important applications in image hiding ,watermark,image communication and image compression.
     图象质量评价技术在图象隐藏、数字水印、图象通信、图象压缩等领域有重要的应用.
短句来源
     The watermark image is scrambled by a generalized Arnold transform so as to improve the security of the watermark;
     该算法使用推广的Arnold变换对水印进行置乱,提高了水印的安全性;
短句来源
     The proposed algorithm has the advantage that the retrieval of the embedded watermark does not need the original watermark image.
     该算法的优点在于在水印检测时,不需要原始图像的参与。
短句来源
     1. Double stochastic matrix can map every watermark image points to the corresponding point of the host image.
     1.利用双随机矩阵的特性对水印信息进行预处理,可以把水印每一点信息分散嵌入到载体图像的多个点上。
短句来源
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  watermark image
When there is Stirmark attack and no registration, watermark is extracted from distorted watermark image.
      
Watermark detection is accomplished without referring to the original image and the original watermark image.
      
Where K present the first key in our watermark procedure, which is an exclusive key to recreate the watermark image.
      
Visible watermarks are created by simply blending the watermark image with the image to be protected.
      
The search space for the table entries can be drastically reduced if knowledge of the bi-level watermark image is known.
      
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Starting from discrete cosine transformation, this paper presents a new way to embed digital watermark in images. This method accords with JPEG, MPEG image compression standard. It can no only easily embed watermark into images, but al-so produce a better effect of embedded images even after JPEG, MPEG compression.The method solves the problem of digital watermark image loss caused by images energy loss.

从离散余弦变换出发,提出了一种图象中植入数字水印的方法此。方法与JPEG,MPEG图象数据压缩标准算法相一致,不仅可方便地实现水印的图象植入,而且在JEPG,MPEG压缩之下,可取得高质量图象效果,并在很大程度上解决了由于图象能量损失导致的数字水印丢失问题。

Watermarking is a technique for labeling digital pictures by hiding secret information into the images In this paper,a new method is proposed to hide watermark image in images by multi resolution wavelet decomposition techniques in conjunction with the visual model(HVS) the watermark image are decomposed into multi resolution subband images,the sub band watermarks were embedded into the corresponding sub band host images The simulation experiments show that this robustness...

Watermarking is a technique for labeling digital pictures by hiding secret information into the images In this paper,a new method is proposed to hide watermark image in images by multi resolution wavelet decomposition techniques in conjunction with the visual model(HVS) the watermark image are decomposed into multi resolution subband images,the sub band watermarks were embedded into the corresponding sub band host images The simulation experiments show that this robustness method can survive image cropping and image compression,and get better results

:本文提出了一种隐藏数字水印的新方法 ,该方法所隐藏的不是传统的序列码或比特流 ,而是将水印作为一幅二值图像来处理 ;并结合人眼视觉模型 (HVS)和图像的DWT多尺度分解来隐藏水印。实验表明这种新方法在降低原始图像变换后视觉失真和提取出的被隐藏水印图像失真两方面都达到较好的效果 ,鲁棒性也较好。这是一种很有发展前景的数字水印隐藏新方法

A method of embedding a gray-level digital image watermark into an image based on Haar wavelet transform is proposed in this paper. Especially, through pre-selecting of the original watermark image, we construct a kind of special sequence called pseudo-code watermark. The simulations show that the proposed techniques are successfully tolerant to improve the invisibility and robustness of the algorithm as against the traditional gray-level watermark methods.

提出了一种基于Haar小波变换的图像水印嵌入算法 ,通过利用各层小波系数间的特点 ,并通过对图像水印本身的信息选择构造了适用于所提算法的伪码水印 ,有效地增强了算法的隐蔽性与鲁棒性 ,从而即使在图像质量受到严重损害时仍能提取出足够信息 ,辨别出原图像水印的存在。

 
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