搜索资源列表
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
shuzishuiyin
- 用CVI简单实现基于DCT域的数字水印嵌入与提取-CVI simple DCT domain based digital watermark embedding and extraction
231
- 使用DCT和小波变换提取数字图像水印并对水印进行评估-Use wavelet DCT and digital image watermarking and to evaluate the watermark
svddct
- 2维图像添加数字水印信息。算法DCT-SVD。嵌入二值水印信息-Add watermark to the host image. DCT-SVD
PMatermarkingr
- 提出一种基于DWT和DCT域的有意义二值图像数字水印算法 利用Arnold变换对水印序列进行置乱,消除象素的空间相关性,增加水印的安全性 而结合小波波变换和离散余弦变换的特性,将水印信息嵌入到图像变换域的低频和中频系数中,提高水印的鲁棒性和不可见性 实验证明该算法具有较好的抗压缩、抗噪音和抗剪切性。 -Making meaningful binary image digital watermarking algorithm based on DWT and DCT domain using
WWatermarkinga
- 基于DCT变换的水印图像水印算法源代码（matlab实现）。将文件解压缩到到MATLAB安装目录下的work文件夹中，然后打开aaa.m文件，运行即可。 -DCT-based watermark image watermarking algorithm source code (Matlab implementation). Extract the file to the MATLAB installation directory under the work folder, and the
ASemi_Fragiler
- 基于DCT压缩前后不变量，编写的抗JPEG压缩的数字图像认证证水印算法，具有良好的抵抗压缩、剪切、篡改等性能的水印仿真程序 -Invariants based on before and after the DCT compression, digital image authentication certificate watermark algorithm written anti-JPEG compression with good resistance to compression,
recover3
- 基于DCT分块的自适应水印提取部分，跟embed3是一组的，希望对你有用。-DCT block-based adaptive watermark extraction part, with embed3 a group, you want to be useful.
DCTmark
- 基于DCT变换的信息隐藏(数字水印)嵌入算法的设计-DCT-based information hiding (digital watermark) embedded algorithm design
DCT_embed-and-DCT_recover
- DCT域的数字水印的嵌入和提取算法，针对的载入原始图像和水印图像都是二值图像-DCT digital watermarking embedding and extraction algorithm for the load are the binary image of the original image and the watermark image
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
watermark1
- 基于dct域变换的数字水印算法，matlab实现-Based on the dct domain transform the digital watermark algorithm, matlab. .
DCTalgorithm
- 将水印图片置乱处理 用dct算法进行水印的嵌入提取 再回复置乱的水印图片-The scrambling watermark image processing DCT algorithm watermark embedded in the extraction reply scrambling the watermark image
dctshuiyin
- DCT音频水印的提取与嵌入程序，修改文件路径就可以用了-DCT audio watermark embedding and extraction procedures can be used to modify the file path
dctmark
- 本程序实现DCT域的数字水印，实验结果显示峰值信噪比和各种噪声环境下水印相关性都较好。-This program implements DCT digital watermarking, the experimental results show the peak signal to noise ratio and various noise environments watermark correlation are better.
41695080DCT1
- using dct in watermark
DCTcode
- 本程序实现了数字图像水印的DCT变换嵌入算法，是很常见的经典算法！-This procedure achieved a digital image watermark embedding algorithm of DCT transform, is a common classical algorithm!
shuiying
- 由于二维DCT变换是对数字图像矩阵而言的，所以对于RGB位图不能进行DCT变换我在这里先将它转换成灰度图像再把水印嵌入到灰度图像中来进行基于DCT变换的图像水印研究。-As the two-dimensional DCT transform on the digital image matrix is concerned, therefore, for the RGB bitmap should not be DCT Transform I first convert it into gray
WMdct2recover
- 数字图像处理,离散余弦dct变换域中水印的提取-digital image processing, discrete cosine transform domain Extra watermark extraction
Digital-watermarking-
- 以数字图像为载体，将水印信息嵌入到图像的DCT系数中，然后对加入数字图像中的水印进行提取。-In the digital image as the carrier, the watermark information is embedded into the image DCT coefficients, and then add digital watermark image extraction.