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嵌入水印 (2)
- 此系统可以根据量化系数的选择不同而使水印信号的脆弱程度不同。由实验结果显示假如Q=1,当图像受到高斯噪声的攻击时,已经不能通过系统的认证。-system can quantify the different coefficients so fragile watermark signals to different degrees. From the experimental results show that if the Q = 1, when images by Gaussian nois
数字水印
- 数字水印嵌入,可以防止盗版,可以在版权保护方面起到作用。
数字水印DCT变换
- 水印DCT变换嵌入
DCT交换中频系数嵌入水印
- DCT交换中频系数嵌入水印
量化水印嵌入
- 以量化方法嵌入水印信息
soundmark.可以对音频进行水印嵌入与提取
- 可以对音频进行水印嵌入与提取,完整的源代码可以直接在matlab上运行,Can be carried out on the audio watermark embedding and extraction, complete source code can be run directly in matlab
dctdwt.rar
- matlab 数字水印,dct变换,嵌入水印,简单易懂,方便学习,dct matlab
WaterMark
- 视频水印程序,利用VC实现,不用于一般的空域水印,可以实现动态随机嵌入水印位置。-Video Watermarking procedures, the use of VC implementation, not for general airspace watermark, you can achieve dynamic random watermark embedding location.
12345
- 彩色数字水印的程序,实现在彩色图像中通过DCT变换来嵌入水印信息-Color digital watermarking process to achieve the color image by DCT transform to embed watermarks
fuMarkCode
- 傅立叶域水印源码 用傅立叶变换嵌入水印,使用matlab编译通过 -Fourier domain using Fourier Transform source watermark embedding watermark, the use of matlab compiler through
watermarkingmatlabsourcecode
- 关于数字水印的matlab源代码,将彩色图像的rgb分量提取出,分别嵌入水印-About digital watermarking matlab source code, the rgb color image to be extracted components, respectively, embedded watermark
zlib
- MP3音频流数字水印方案,试验表明该方案能得到较高的嵌入容量,对原始音频信号的改变较小,具有较好的隐形性,完整水印提取时间短,可以在音频播放过程中同步完成。通过对算法的进一步研究,我们发现可以利用插件技术将算法嵌入了当前的主流播放器中,从而实现水印信息的实时嵌入和提取。这可能成为保护网络音频版权、网络秘密通讯的一种可行的、低成本的解决方案。 -MP3 audio streaming digital watermarking program, experiments show that the
xiaobobian
- 本代码是一些关于水印处理的一些算法用小波变换来实现,在嵌入水印之后用各种攻击检验算法的鲁棒性-The code is some deal about a number of watermarking algorithm using wavelet transform to achieve, in the embedded watermark after the attacks with a variety of test algorithm robustness
embed
- 嵌入水印信息的matlab程序,先读入原图像,再进行dct变换,产生水印序列排序,嵌入水印,dct反变换,得到嵌入水印的图像-Matlab embedded watermark information, procedures, first read the original image and then dct transform, resulting in the watermark sequence to sort, watermark embedding, dct inverse tran
tiqu
- 水印提取检测的matlab程序代码 对嵌入水印图像进行dct变化,提取水印序列,计算序列相关值-Detection of watermark extraction matlab code for dct embedded watermark image change, extract the watermark sequence, calculating the value of serial correlation
gongji
- 对嵌入水印的图象进行不同的攻击 添加噪音,滤波,剪切,压缩,旋转45度-Watermark on the images embedded in a different attack to add noise, filter, shear, compression, rotating 45 degrees
Handwritten_Signature_Extraction_from_Watermarked.
- 本文用特定算法向数字图像嵌入水印,并通过算法来提取水印,取得了良好的效果。-In this paper, a specific algorithm to the digital image embedded watermark, and watermark extraction algorithm to obtain good results.
DCTchange
- matlab中的dct变换,在图像中利用dct变换嵌入水印,并提取-The dct matlab transformation in the image watermarking using dct transform, and extract
基于矩阵加密的数字水印
- 将待嵌入水印加密,采用密钥空间较大的多相矩阵加密,实现信息安全传输(To encrypt the watermark to realize the information security transmission)
DWT水印1
- 实现水印的嵌入与提取,计算PSNR值 同时对水印进行攻击(Embedding and extracting the watermark and calculating the PSNR value Attack the watermark at the same time)