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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
watermarked
- 基于彩色图像实现的DCT变换域图像数字水印算法。-Color images based on the realization of the DCT transform domain image watermarking algorithm.
multi_watermark
- 包含了DCT、DWT、LSB的数字水印算法以及程序的解释,并且有CONTOURLET变换的详细步骤 -Includes DCT, DWT, explain LSB digital watermarking algorithm and program, and there CONTOURLET transform detailed steps
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
watermark-(2)
- 基于DCT的数字图像水印处理之图像加载篇-DCT-based image loading papers of digital image watermarking
watermark-PDCTPDWT
- 文件中包括了小波变换和DCT联合水印的代码,另外还有提取方法-Document includes joint wavelet transform and DCT watermark code, in addition to the extraction method
watermarkPDCT
- DCT用于频域的数字水印中,效果比空间域 较好,-DCT is useful for image watermarking
1DCT
- 在数字水印技术中,采用在DCT域嵌入,可以调高鲁棒性-In the digital watermarking technology, the use of embedded in the DCT domain, you can increase the robustness
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
watermark
- 基于DCT域的数字水印嵌入与提取技术源代码及攻击-DCT watermark
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
ss
- 随着计算机网络的迅速发展,发生了翻天覆地的变化,数字信息的保护已是一个刻不容缓的问题,由于数字内容很容易复制,修改,网络上的数字内容分发的,有很多的盗版,侵权行为,知识产权保护,以抵抗各种侵权行为,近年来一直是世界上一种新的信息安全技术的提出,数字水印技术,它是一种新的数字信息技术为数字文件的特定著作权利益的保护。现在流行的水印算法在国内外主要是基于空间域和变换域,从综合性能比较,变换域的方法更为优越,目前占主要地位,未来的趋势为变换域方法为主流。本文提出了一种离散余弦变换(DCT)基于变换域的
shizishuiyin
- 数字水印图像处理,Vc6.0环境,DCT以及LSB-Digital watermark image processing
zlygai
- 一种基于DCT数字水印新算法 该算法利用了新的算法来选取水印嵌入区域,使其既能够保证水印信息的鲁棒性又能够满足其不可见性。利用基于能量关系的算法进 行水印嵌入。最后进行了仿真实验,嵌入水印的图像中很难发现水印的痕迹,具有较高的清晰度-A new algorithm based on DCT digital watermarking algorithm uses a new algorithm to select the watermark embedding area, making it bo
dcthvsWaterm-ark
- 基于DCT域的鲁邦水印算法,原始图像分块DCT变换,基于纹理掩蔽特性的块分类,产生水印并嵌入提取-Lupin based DCT domain watermarking algorithm, the original image block DCT, texture classification based on block masking characteristics, generate and embed a watermark extraction
zongjie
- 各种视频水印技术的总结,包括小波变换,DCT变换,混沌算法等。-Summary of the various video watermarking technology, including wavelet transform, DCT, chaos algorithm.
M
- 数字水印算法 采用DCT经典算法用matlab编写-DCT digital watermarking algorithm uses the classical algorithm using matlab
dct_photo_embedd
- 使用DCT变换对图像进行水印嵌入。有嵌入和读取水印程序,有参考图片。水印是从文件中读取,读取的水印也写入到另一个txt文件中。-DCT transform image using watermark embedding. There watermark embedding and reading program, a reference picture. The watermark is read from a file, read the watermark is also written t
dctimage
- 基于opencv, 实现DCT域添加水印。-Based on opencv, add a watermark to realize DCT.