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: 将相同尺寸的灰度图象和2值图像进行2级小波分解，在前者的细节子带嵌入分解后的2值图像的数字水印程序-of the same size and gray-scale image of two binary images for two wavelet decomposition, details of the former subband decomposition embedded value after the two images of digital watermarking procedure Platform: |
Size: 52224 |
Author:li yue |
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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: 52224 |
Author:ming-ming |
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Description: 用matlab实现的基于LSB的数字水印算法。算法可以在BMP灰度图像中嵌入水印，水印信息为二值图像，并将其扩展到与原始图像同样大小，进行重复嵌入，提高鲁棒性。同时算法中给出了PSNR值以评价水印图像的效果，-Using matlab realize the number of LSB-based watermarking algorithm. Algorithm can be embedded BMP gray image watermark, watermark information for the binary image, and its expansion to the original image the same size, the repetition of embedding, improve robustness. At the same time algorithm PSNR values are given to evaluate the effect of watermark images, Platform: |
Size: 150528 |
Author:zheng |
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Description: 本文设计了一种简单的实用数字水印系统。详细论述了二值数字水印的嵌入与提取算法以及具体实现，并对其抗攻击能力作了一定程度的分析。最后利用MATLAB工具实现了一个简单的基于空域变换与BP神经网络的实用数字水印系统。-In this paper, design a simple and practical digital watermarking system. Discussed in detail binary digital watermark embedding and extraction algorithms as well as the concrete realization, and its anti-attack capability of the analysis to a certain extent. Finally the use of MATLAB tools for the realization of a simple space-based transform and BP neural networks of practical digital watermarking system. Platform: |
Size: 1164288 |
Author:亓先军 |
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Description: 二值图像数字水印算法的一般方法，然后在此基础上给出了一种基于分块DCT的自参照直流系数盲检测二值水印方法。-A blind binary image digital watermarking algorithm is proposed in the DCT domain. The algorithm uses the correlativity of the inter-blocks DC components based on blocked DCT with binary image. No original binary image is needed when detecting the watermark. The algorithm is realized with the efficient and practical programming tools MATLAB, The effect of the corresponding parameters is analyzed in detail. Platform: |
Size: 36864 |
Author:朱建伟 |
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Description: 对音频信号分帧加窗,对每帧进行三阶小波变换,取其逼近系数平均值(一般为零).在此嵌入二值图像 并有对潜入水印信号进行盲检,恢复其嵌入水印-Sub-frame of the audio signal increases the Hamming window for each frame impletment third-order wavelet transform, whichever is close to the average coefficient (usually zero). according to this embedding binary image and resume its embedded watermark from the watermark signal by the Blind detection Platform: |
Size: 2048 |
Author:wangyapeng |
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Description: 提出了一个新的基于量化抖动和模式分组编码的盲数字图像水印算法,该算法首先在DWT(离散小波变换)的第
二层中频子带中随机选取相应位置的绝对值最大的系数作为水印的嵌入区间,对小波系数进行量化并根据分组编码原
理生成预嵌入模式,然后将一个二值水印图像嵌入到模式当中。-Proposed a new model based on quantitative jitter and packet-coded blind digital image watermarking algorithm, the algorithm first DWT (Discrete Wavelet Transform) and second layer of randomly selected sub-band IF the corresponding absolute value of the location of the largest coefficient watermark embedded interval, the wavelet coefficients to quantify and in accordance with principles of generating the pre-embedded block coding mode, and then a binary watermark image embedded in them patterns. Platform: |
Size: 402432 |
Author:刘非 |
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Description: 文档内容是基于小波域的脆弱水印嵌入和提取的算法代码。原图像为灰度图像，水印为二值水印图像。-The document content is based on wavelet domain fragile watermarking embedding and extraction algorithm code. The original image to grayscale watermark for the binary watermark image. Platform: |
Size: 9216 |
Author:liyong |
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Description: 基于DCT数字水印算法的Matlab实现源代码,1. 将文字水印和图像水印转换为二值序列水印；
2. 对水印进行置乱，提高其安全性；
3. 选择合适大小的块，给出DCT域中频分块编码方案；-DCT-based digital watermarking algorithm Matlab source code, a text watermark and image watermark converted into a binary sequence watermark .. 2 watermark scrambling to improve their safety 3 Select the appropriate size of the block, given DCT domain frequency block coding scheme Platform: |
Size: 1024 |
Author:邢月月 |
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