Description: 十分详细的基于Wavelet的图像水印嵌入程序，包含水印的嵌入，水印的提取，基于VC-very detailed images based on Wavelet embedding procedures, including the watermark embedding, The watermark extraction, based on VC Platform: |
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Author:黑卫波 |
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Description: 数字水印常用变换如dct变换小波变换离散傅立叶变换等源代码-transform digital watermark used as Extra transform wavelet transform discrete Fourier transform, and other source code Platform: |
Size: 26953 |
Author:王袍 |
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Description: 基于小波零树特性的视觉感知度模型的优化方案, 给出了两种水印算法: 一种算法嵌入的是高斯序列水印, 通过相关检测实现盲检测 另一种算法嵌入的是二值图像水印, 水印的提取是非盲提取。这两种算法在所有重要小波系数( 包括最低频系数) 中嵌入水印, 以达到最大化水印嵌入量的目的, 并结合感知度模型在水印的透明性和鲁棒性之间实现了较好的平衡, 对于常见的图像处理操作, 特别是对于JPEG 和小波压缩均有较好的鲁棒性。-based on wavelet zerotree visual perception characteristics of the model optimization program, and presents two watermarking algorithm : An algorithm is embedded watermark Gaussian sequence, through correlation detection achieve a blind detection algorithm embedded in the binary image watermark, the watermark extraction from non-blind. These two important algorithm in all wavelet coefficients (including most low-frequency coefficients) embedded watermark, to maximize embedding of purpose, and perceptual model with the watermark of transparency and robustness between a good balance, for common image processing, particularly for JPEG and wavelet compression has better robustness. Platform: |
Size: 765694 |
Author:yy |
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Description: 提出了一种离散小波变换域实现图像水印的方法。这种算法充分利用小波变换的特点,把原始图像及水印图像塔式分解,在多分辨率分解后的相同的频段来嵌入水印信息。该方法也利用了人眼视觉特性,算法简单而有效。实验证明,该算法较好地解决了水印不可见性与鲁棒性之间的矛盾,对常见的水印攻击都有较强的鲁棒性。-presents a discrete wavelet transform domain image watermarking method. This algorithm using wavelet transform characteristics, the original image and the watermark image tower decomposition, Multiresolution decomposition in the same frequency band to the embedded watermark. The method has also been used HVS, the algorithm is simple and effective. Experiments show that the algorithm can solve the watermark is visible with the robust nature of, common to have more attacks watermark robustness. Platform: |
Size: 151372 |
Author:yy |
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Description: 图像先进行DWT一级分解，用两个不相关的伪随机序列分别代表水印信息中的0和1，潜入到小波分解后的LH和HL两个字图上。
注：整个算法分水印嵌入和水印提取两个部分。-images conduct a DWT decomposition, with two not related to the pseudo-random sequence representing the watermark of 0 and 1, sneaked into the wavelet decomposition of the LH and HL word on the plan. Note : The entire algorithm, watermark embedding and extraction of two parts. Platform: |
Size: 1199 |
Author:吉 |
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Description: 文章利用MATLAB语言及其小波工具箱，采用小波变换算法，开发数字水印嵌入系统，通过对原始静态图像和二值图像水印进行小波多分辨率分解，组合对应方向上的小波细节子图数据，从而实现了在原始静态图像上嵌入二值图像水印。有部分代码-article using MATLAB language and its toolbox, wavelet transform algorithm, development of digital watermark embedded systems, right through static images and the original binary image watermarking multiresolution wavelet decomposition, Portfolio corresponding direction on the details of wavelet-map data, thus realizing the original static image embedded binary image watermarking. Some code Platform: |
Size: 52311 |
Author:ming-ming |
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Description: 摘 要 数字水印技术是近年来图像保护技术研究领域的一个热点,本文提出了一种基于小波变换的图像数字
水印嵌入算法的Matlab实现\"实验结果表明,该算法具有较好的视觉效果和透明性\"
关键词 图像保护 小波变换 数字水印 Matlab-Abstract digital watermarking technology is the image in recent years to protect technical fields of study a hot, This paper presents a wavelet transform-based image digital watermark embedding algorithm Matlab "The experimental results show , the algorithm has good visual effects and transparent "Keywords image protection wavelet transform digital watermarking Matlab Platform: |
Size: 111556 |
Author:cici |
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Description: 用小波变换为数字图像添加水印时，用来选择待嵌入系数的方法-wavelet transform for the digital watermark images added, to be used to choose the method of embedding coefficient Platform: |
Size: 1018 |
Author:冯少辉 |
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Description: 在图像中嵌入水印的matlab源代码（cox算法，cdma方式，以及小波变换方式），及嵌入结果图片-image in the watermark embedded in the source code Matlab (cox algorithm, cdma, and the wavelet transform mode), and the results of embedding Photo Platform: |
Size: 27947 |
Author:王静炜 |
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Description: 利用小波变根据二进制数（水印）来改变图片，提取其中一个子带的直方图
-using wavelet under binary variable (Watermark) to change the picture, an extract of which the histogram subband Platform: |
Size: 1688 |
Author:sandy4000 |
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Description: Firstly, research on robust image watermarking. A digital watermarking scheme based on wavelet transform was proposed. It realizes the watermarking extract without the original image using 64×64×8 bit gray image as the watermark signal. In order to enhancing the security of the watermark, we employ an encryption technology based on chaos and bit plan. Simulation results show that our scheme have good invisibility and can survive low-quality JPEG compression, median filtering and so on. In addition, the analysis of the extracted watermark can help us to detect and localize tampers. Platform: |
Size: 102725 |
Author:xiaxianming |
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Description: 在对原图像进行双正交7／9三级小波分解后 ，在第二级的水平、垂直、对角以及第三级对角分量上加入水印系数，再经过小波反变换重构出图像。-in the original image Biorthogonal 7 / 9 3 wavelet decomposition, in the second-class level, vertical, diagonal, and the third-class right angle to add weight coefficient watermark, after wavelet-transform reconstruct images. Platform: |
Size: 4035 |
Author:包俊成 |
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