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A-digital-watermarking-based-on-DWT
- 提出了一种基于离散小波变换的数字水印算法, 选择低频子带嵌入水印, 保证了水印的不可见性 -Proposed a number of discrete wavelet transform based watermarking algorithm, select the low frequency sub-band watermark to ensure the watermark invisibility
improvedDWT
- 一种基于DWT的自适应数字水印算法。先将图像进行DWT分解，然后根据选定像素与其四邻域均值的关系，确定要嵌入的水印值。-DWT-based adaptive digital watermarking algorithm. DWT decomposition of the image first, then the selected pixel and its neighbors according to the relationship between the mean field, deter
Dissertation-priliminary
- This file contains basic hardware implementation of DWT based watermarking system. It also gives hardware efficient procedure for lifting based wavelet scheme.
A_FEATURE_BASED_SEMI_FRAGILE
- 实现半脆弱小波提取，实现文献A FEATURE-BASED SEMI-FRAGILE WATERMARKING SCHEME IN DWT DOMAIN.pdf的源码-Achieve semi-fragile wavelet extraction, to achieve literature A FEATURE-BASED SEMI-FRAGILE WATERMARKING SCHEME IN DWT DOMAIN.pdf source
DWTxiaobobianhuan
- 这是一个完整的基于DWT变换的音频水印的例子，有助于学习音频水印-This is a complete audio watermarking based on DWT transform examples to help learn audio watermarking
DWT-SVD
- DWT-SVD Watermarking
Robust-Dynamic-Block-Based-Image-Watermarking-in-
- Robust Dynamic Block-Based Image Watermarking in DWT Domain this source code is programmed in MATLAB and contains original article... hide a mark in host image
DWT
- 音频数字水印技术，采用小波变换，psnr、snr、nc等参数计算-Audio watermarking, DWT translation,parameter caculation
DWT
- 本程序应用于基于DWT变换的数字水印技术,包含了嵌入、提取及攻击过程。-This procedure applied to the digital watermarking technique based on DWT, including the process of embedding, and attack.
dwt
- 数字水印技术越来越发达，此程序为图像水印的嵌入和提取-Digital image watermarking technology more and more developed, this procedure for the image watermark embedding and extraction of source code
code-for-dwt-extracion
- code for watermarking accuracy rate in watermarking
Tatou-maillage3D
- code matlab dwt watermarking 3d meshs
MATLAB(DCTPDWT)
- 基于DCT和DWT的水印的嵌入与提取，以及鲁棒性的检测，攻击检测-Based on the DCT and DWT watermarking embedding and extraction, as well as the robustness of detection, attack detection
svd-and-dwt
- 是一篇关于图像数字水印你的外国文献，主要的水印算法是围绕svd和dwt展开的。希望对你有用。-A foreign literature on the image watermarking, watermark algorithm is built around svd and dwt expanded. I hope useful for you.
Watermark-DWT-DCT-SVD
- 是一篇关于图像数字水印你的外国文献，主要的水印算法是围绕svd和dwtdct展开的。希望对你有用。-A foreign literature on the image watermarking, watermark algorithm is built around svd and dwt expanded. I hope useful for you.
hvs-dwt
- 提出一种新颖的基于HVS (Human Visual System) 和DCT (Discrete Cosine Transform)的数字水印算法。为保证视觉透明性和鲁棒性, 通过将二值水印图像映射为标准正态分布的伪 随机实数序列, 并利用HVS 的特性, 将水印嵌入宿主图像中频部分。-Propose a novel digital watermarking algorithm based on the HVS (Human Visual System) and DCT (Discrete
SVD-based-watermarking
- 基于SVD的DCT域和DWT域的经典水印算法，该算法通过提取水印水印的主成分并把该主成分嵌入到奇异值矩阵，鲁邦性非常高。-the principal components of the watermark are embedded into the host image in discrete cosine transform (DCT) and for the second method, those are embedded into the host image in discrete
Audio-watermarking-internship-report
- 音频信号的水印设计，以音频信号为载体，将秘密信号嵌入载体音频信号当中， 实现音频信号的水印。采用变换域小波变换（DWT）的技术，将音频信号进行小波变换，提取出低频分量，然后将水印嵌入到音频信号的低频当中。实验当中先在MATLAB 上面进行了仿真实验，并且通过加入噪声以及滤波等进行干扰以此检测了算法的透明性和健壮性，然后利用C 语言进行了测试，最后经 过一些修改，例如加入定时器以及进行中断的处理和加入缓冲在DSP 板子上实现了加入水印的音频声音的播放。-Audio signal water
DWT-improvedaimage
- 基于DWT的水印算法 对图像进行二层小波分解，提取出二层低频系数，随机选取一些像素，根据选定像素与其邻居的关系，确定水印的值 水印是根据图像来获得的，而不是提前得到的 根据论文 An Improved Robust Watermarking Technique in Wavelet Domain 编写-Based DWT watermark algorithm Layer wavelet decomposition, the image is extracted Layer low
A-Watermarking-Algorithm(MATLAB)--
- 盲水印提取时不需要参考原始载体图像,在信息隐藏、版权保护等方面具有更广泛的应用前景。提出的盲水印算法在分块离散余弦变换(DCT)和离散小波变换(DWT)的基础上,利用关系双方DCT系数和DWT系数在受到攻击时具有相同变化趋势的特点,采用关系嵌入和量化嵌入的自适应选择嵌入策略,较大幅度地提高了盲水印提取的鲁棒性。同时在量化嵌入中采用抖动调制,实现了水印透明性和鲁棒性调节的便捷性。大量仿真实验结果表明该算法对噪声干扰、低通滤波、JPEG压缩、对比度增强等攻击有很好的鲁棒性和透明性。关键词 数字水印盲