搜索资源列表
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.
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
DCTSUANSHUIYIN
- 这个程序再matlab2012b版本上调试成功，以前在毕业设计的时候在网上找到的资料，希望对大家有用，数字水印算法实现（matlab程序包），包含有DCT水印嵌入算法，DWT水印嵌入算法，以及水印攻击和性能测试程序。参考价值极大-This program debug version then matlab2012b success in graduate design information previously found on the Internet when we want to be
matlab
- 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 wa
YINPIN
- 利用dct变换，，以及LSB置换，将水印信息嵌入到音频信号中-use dct and lsb,make the watermark embedding the vedio
shipingshuiyinbeifen
- 该算法利用随机置乱的方法将水印信息进行置乱，对选定的视频帧先进行DWT变换，然后对得到的逼近子图进行DCT变换，最终将置乱后的水印信息嵌入到直流分量-The algorithm uses the method of random scrambling the watermark information is scrambling to be first selected video frames DWT transform, and then the resulting approximatio
DCTshuiyin
- 这是基于离散余弦DCT的数字水印算法的实现，图片自由选择，可以对嵌入水印的图像进行各种攻击后提取水印。鲁棒性较强。-This is the realization of digital watermarking algorithm based on discrete cosine of DCT, picture free choice, can of the embedded watermark image of various attacks watermark extraction. Str