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摘 要 数字水印技术是近年来图像保护技术研究领域的一个热点,本文提出了一种基于小波变换的图像数字
水印嵌入算法的Matlab实现\"实验结果表明,该算法具有较好的视觉效果和透明性\"
关键词 图像保护 小波变换 数字水印 Matlab-Abstract digital watermarking technology is the image in recent years to protect technical fields of study a hot, This paper pre
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matlab数字水印程序m文件程序,用的是小波变换中的dwt方法,并且把小波变换分成了四个子带,选择的LL子带。svd算法与dwt相结合,加密方法是混沌加密。与我刚才上传的dwt_svd_GUI.rar是一个程序,一个是gui的,一个是m文件。,m digital watermarking matlab program documentation procedures, using a wavelet transform method in the dwt and the wavelet tra
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matlab GUI数字水印代码。小波变换中的dwt与svd算法的结合,加密用的是混沌加密。是毕业设计的代码。下载后注意图片的路径。-digital watermarking matlab GUI code. Wavelet transform dwt in combination with the svd algorithm, encryption is used for chaotic encryption. Is a graduate of the code design. Attenti
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wavelet based watermarking with dwt2 function in matlab it s an implementaton of an ieee paper.its a visible watermark it calculates the peak signal to noise ratio and the mean square error
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基于扩频序列和小波变换的数字水印算法
的仿真程序-Sequence spread-spectrum based on wavelet transform and the digital watermarking algorithm simulation program
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关于频率域的数字图像水印的文字,有小波变换,傅里叶变换-On the frequency domain of digital image watermarking text, there are wavelet transform, Fourier transform
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Audio watermarking based on quantization in wavelet domain
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一种基于小波域灰度图像盲水印的新方法,
方案中利用了人类视觉系统(HVS)特征。-A new approach for non-blind watermarking of still
gray level images in the wavelet domain.The method uses
the Human Visual System(HVS)characteristic
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六个代码分别是小波变换用于水印密写,离散余弦变换应用于水印密写和空域算法水印算法-Six codes are used for watermark Steganography wavelet transform, discrete cosine transform used in secret writing and airspace watermark Watermarking Algorithm
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提出了一个新的基于量化抖动和模式分组编码的盲数字图像水印算法,该算法首先在DWT(离散小波变换)的第
二层中频子带中随机选取相应位置的绝对值最大的系数作为水印的嵌入区间,对小波系数进行量化并根据分组编码原
理生成预嵌入模式,然后将一个二值水印图像嵌入到模式当中。-Proposed a new model based on quantitative jitter and packet-coded blind digital image watermarking algorithm, the
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基于人类视觉系统HVS的小波域数字图像水印
包含:嵌入、提取、分解、重构等-Based on human visual system HVS digital image watermarking in wavelet domain include: embedding, extraction, decomposition, reconstruction, etc.
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提出了一种新的基于离散小波变换(DWT)与奇异值分解(SVD)相结合的数字图像水印算法。该算法将原始图像作小波分解并将小波分解得到的低频子带进行分块,对每一块进行奇异值分解后,选取每块中最大的奇异值通过量化的方法嵌入经过Arnold置乱后水印信息。-A new wavelet transform based on discrete (DWT) and Singular Value Decomposition (SVD) combination of digital image watermark
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基于小波变换的音频水印代码,嵌入二值图像进行跟踪版权保护-Audio watermarking based on wavelet transform code, embedded in binary images for tracking copyright protection
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matlab 利用小波变换在图像中嵌入水印。matlab 利用小波变换在图像中嵌入水印-matlab wavelet transform in image watermarking. matlab wavelet transform to embed watermarks in the image
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matlab 提取利用小波变换在图像中嵌入水印。matlab 提取利用小波变换在图像中嵌入水印-matlab extract the wavelet transform in the image watermarking. matlab extract images using wavelet transform to embed watermarks in
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音频信号的水印设计,以音频信号为载体,将秘密信号嵌入载体音频信号当中,
实现音频信号的水印。采用变换域小波变换(DWT)的技术,将音频信号进行小波变换,提取出低频分量,然后将水印嵌入到音频信号的低频当中。实验当中先在MATLAB 上面进行了仿真实验,并且通过加入噪声以及滤波等进行干扰以此检测了算法的透明性和健壮性,然后利用C 语言进行了测试,最后经
过一些修改,例如加入定时器以及进行中断的处理和加入缓冲在DSP 板子上实现了加入水印的音频声音的播放。-Audio signal water
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在Matlab环境下实现图片的水印嵌入,利用离散小波变换,较好的实现了应有的功能,并且通过计算PSNR值很好的验证了水印算法的不可见性和鲁棒性。-Watermark image is realized in Matlab environment, using the discrete wavelet transform, achieve a better functions, and are in good agreement with the watermark imperceptibilit
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Using weighted model nodes in the network strength and weight are power law distribution, Including the MUSIC algorithm, ESPRIT algorithm ROOT-MUSIC algorithm, Based on wavelet transform digital watermarking algorithm matlab code.
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