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基本的DCT水印嵌入和提取的方法。使用DCT算法嵌入水印信息
3)使用DCT算法提取水印信息
4)对嵌入水印的载体进行不可感知性测试
5)对嵌入水印的载体进行鲁棒性测试。
-Basic DCT watermark embedding and extraction method. 3) using the DCT algorithm to extract the watermark information 4) the carrier of the embedded waterma
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运用dct进行数字水印嵌入提取
运用dct进行数字水印嵌入提取-The use of DCT digital watermark embedding extract the use of DCT digital watermark embedding extract
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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
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水印嵌入后的提取,在dct域音频水印中的基础应用-After the extraction of the watermark embedded in the dct domain based on application of audio watermarking
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一个基于DCT系数的视频水印嵌入程序,读取yuv文件,提取其中的若干帧,然后对每帧做DCT变换,在中低频修改系数值,然后做IDCT,再把每帧图像组成YUV格式播放。-DCT coefficients of a video-based watermark embedding program, read the yuv file, extract the number of frames, and then do each frame DCT transform coefficients in th
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水印嵌入,基于DCT变换的水印嵌入,如果需要提取程序再联系我-Watermark embedding, DCT-based watermark embedding, then contact the program if I need to extract
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可实现的在dct变换域中嵌入水印信息,并提取。通过修改块中某像素值。-Can be realized in the dct transform domain to embed watermark information, and extract. By a modified block pixel values .
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基于DWT与DCT域相结合的音频数字水印的嵌入域提取代码,有着良好的鲁棒型及不可感知性。-Based on DWT and DCT domain, the combination of audio digital watermark embedding domain to extract the code, have a good robust type and to be perceived.
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基于DCT的数字水印基本代码框架,能够完整的嵌入水印信息、提取水印信息。可根据需要再此基础上修改算法。-DCT-based digital watermarking code framework, a complete embedded watermark information to extract the watermark information. According to the need for this based on the modified algorithm.
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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
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利用DCT方法,嵌入水印。可设置像素修改值、选择各种经典的攻击方式和控制攻击强弱。返回提取的水印信息和峰值信噪比。利用Matlab编写。-The use of DCT approach, embedding the watermark. Modify pixel values can be set to choose a variety of classic attacks and control the strength of the attack. Back to extract the w
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对载体图像加入水印,并加入干扰噪声,以及提取水印的代码-The carrier image watermarking, and join the interference noise, and the code to extract the watermark
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matlab图像水印嵌入处理,运用DCT算法进行嵌入和提取。-Matlab watermark embedding process, using DCT algorithm to embed and extract.
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matlab 实现水印标志的嵌入 提取 嵌入到载体图像的DCT系数中 有相关的原理讲解 实验图片-matlab extract the watermark embedding flag embedded into the image of DCT coefficients relevant to explain the principles of experimental picture
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将水印图像二值化后,进行n次Arnold变换置换,使能量均匀分布在水印图像的整个空间。然后,根据载体图像的特征,分解出彩色图像的亮度分量,再将置乱后的水印图像嵌入其低频位置。对检测出的信息进行n次反Arnold置乱后,就可以提取出水印图像-After the watermark image binarization, Arnold transform n times replacement, the energy evenly distributed throughout the space w
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基于DCT信息隐藏,实现图片中嵌入水印,并提取出水印-Based on DCT information hiding, to achieve the watermark embedded in the image, and extract the watermark
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