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一个基于DCT变换域的数字水印系统实例-based on a DCT domain of digital watermarking system examples
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基于离散小波余弦变换DCT的数字水印算法，实现了水印的嵌入提取等过程。毕业设计源代码,Discrete Cosine Transform Based on Wavelet Digital Watermarking Algorithm in DCT, the watermark embedded in the realization of the process of extraction. Graduation Project source code
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用c语言实现一种基于DCT系数均值的盲水印算法,C language implementation with a mean value based on the DCT coefficient of the Blind Watermarking Algorithm
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基于听觉频率掩蔽效应的音频数字水印算法和一种基于人耳掩蔽效应的DCT域音频水印-Auditory masking effect on the frequency of the audio digital watermarking algorithm based on the human ear and a masking effect of the DCT-domain audio watermarking
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一个mpg压缩的水印提取程序,考虑到了几种压缩格式,并基于此提出DCT频率域上的水印提取.对学习视频水印的人有help-Mpg compressed a watermark extraction procedure, taking into account several types of compression formats, and based on this proposed DCT frequency domain watermark extraction. For learning
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内容认证半脆弱水印算法的研究与实现,本程序实现图像的半脆弱水印，是基于DCT的算法，特别适合研究半脆弱水印的同志-Content authentication semi-fragile watermarking algorithm for Research and Implementation of, the procedures for the realization of the semi-fragile watermarking images is based on the DCT alg
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本程序是基于DCT的数字水印算法，包含水印的嵌入，提取过程！-watermarking scheme based on DCT！
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自己写的基于DCT和Logistic映射的脆弱水印算法嵌入算法-Write your own based on the DCT and the Logistic map fragile watermarking embedding algorithm
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All three, Discrete Wavelet Transform (DWT) - Singular
Value Decomposition (SVD) and Adaptive Tabu Search
(ATS) have been used as mathematical tools for embedding
data into an audio signal. In this paper, we present a new
robust audio waterma
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提出一种基于支持向量机( SVM)和遗传算法(GA)的离散余弦变换(DCT)域盲数字图像水印方法. 该方法能自适应于图像的局部特征. 依据图像块的局部特性,利用SVM对图像块分类,自适应地确定水印嵌入强度, GA用来优化水印嵌入位置. 实验结果表明该方法有较好的不可见性和较强对抗攻击的鲁棒性.-Based on support vector machine (SVM) and genetic algorithm (GA), discrete cosine transform (DCT) doma
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一种基于DCT变换域的数字水印技术，其中用到了伪随机数生气器技术随机产生水印信号-DCT transform domain based on digital watermarking technology, which uses a pseudo-random number of randomly generated angry watermark signal device
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数字水印 数字水印算法
基于DCT的数字水印算法，水印嵌入，水印提取-Digital watermarking digital watermarking algorithm for digital watermarking algorithm based on DCT, watermark embedding, watermark extraction
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基于DCT数字水印算法，希望能有用，用信噪比，检验鲁棒性-Digital watermarking algorithm based on DCT
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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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Abstract—Based on the observation that low-frequency DCT
coefficients of an image are less affected by geometric processing,
we propose a new blind MPEG-2 video watermarking algorithm
robust to camcorder recording. Both the embedding and
extr
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一种采用dct离散余弦变换的图像水印算法的MATLAB实现。-MATLAB implementation of image watermarking algorithm based on DCT discrete cosine transform.
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将具有特定标识的信息隐藏在数字化图像、视频、音频等多媒体。是一种基于DCT变换和ARNOLD置乱技术的数字图像水印算法，首先通过Arnold置乱二值水印图像对水印图像进行加密，其次将加密后的图像选择适合的强度，在载体图像中选择低频信号的位置进行嵌入。适合用于简单的图片版权保护。(Information that has a specific identity is hidden in digital image, video, audio and other multimedia. Is a k
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本课题为基于MATLAB的小波变换dwt和离散余弦dct的多方法对比数字水印系统。带GUI交互界面。有一个主界面GUI，可以调用dwt方法的子界面和dct方法的子界面。流程包括，读取宿主图像和水印图像，嵌入，多种方法的攻击（剪切，加噪，旋转等），提取，最后利用psnr峰值信噪比进行评价不同攻击下，鲁棒性的好坏。(This topic is based on MATLAB wavelet transform DWT and discrete cosine DCT multi method comp
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本课题为基于MATLAB的小波变换dwt和离散余弦dct的多方法对比数字水印系统。带GUI交互界面。有一个主界面GUI，可以调用dwt方法的子界面和dct方法的子界面。流程包括，读取宿主图像和水印图像，嵌入，多种方法的攻击（剪切，加噪，旋转等），提取，最后利用psnr峰值信噪比进行评价不同攻击下，鲁棒性的好坏。(This project is based on MATLAB wavelet transform DWT and discrete cosine DCT multi method co
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该课题为基于MATLAB的数字水印系统。包括离散余弦DCT和小波变换DWT两种算法的对比，有一个GUI界面，包括嵌入，加噪，旋转，剪切，压缩等多种攻击，提取候，具有评价指标PSNR,NC等来评价算法的鲁棒性(This project is a digital watermarking system based on MATLAB. It includes the comparison of DCT and DWT. It has a GUI interface, including embedd
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