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3下载：
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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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MATLAB安装目录下的work文件夹中，然后打开aaa.m文件，运行即可。-Based on the DCT Transform Watermarking Image Watermarking Algorithm source code (matlab achieve). Extract the file to the MATLAB installation directory under the work folder
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SVD algorithm implementation in Matlab
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本文提出一种在原始视频DCT(离散余弦变换)与SVD(奇异值分解)域自适应嵌入水印的算法。算法首先将视频流分割成一个个场景,场景中的视频图像被变换到DCT-SVD域中,水印量化嵌入在最大奇异上,实现了水印盲检测。同时实验证明该算法在满足透明性要求下也满足一定的鲁棒性要求,能够抵抗低通滤波、中值滤波、椒盐噪声、高斯噪声、H.264压缩攻击以及统计攻击和帧剪切等攻击。-This paper presents an original video in the DCT (Discrete Cosine
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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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dct-svd域水印算法,实现数字水印图像在载体DCT-SVD域的隐藏-a kind of watermarking algorithm in DCT-SVD domain
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) 使用分块的主成分分析方法(PCA)对人脸图像进行压缩编码。针对PCA方法计算量大的缺点,首先把问题转化成奇异值分解(SVD)问题,然后设计了特征空间的更新算法,通过递推,简化每一步计算的计算量,达到了实时编码的要求。 4) 在Windows平台下基于Video for Windows(VFW)接口开发了人脸视频图像编码和解码的实验系统,该系统实现了图像采集、图像显示、编码、解码等功能。-) The use of sub-blocks of principal component analys
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In this programe a highly scattered enviroment is considered. The Capacity of a MIMO channel with nt transmit antenna and nr recieve antenna is analyzed. The power in parallel channel (after SVD decomposition) is distributed as water-filling algorith
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The K-SVD algorithm written in Matlab
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SVD based watermarking scheme.very easy descr iption to understand-SVD based watermarking scheme.very easy descr iption to understand...
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关于，SVD的简单算法。这个，代码是基于QR分解的，SVD的简单算法，与matlab上的SVD函数有一些差异。-Simple algorithm, the SVD of. This code is a simple algorithm based on QR decomposition, SVD, the SVD function in matlab there are some differences.
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PVM is a fast supvervised leanring algorithm who combine dimensioin reduction and neural network training.
I have prepared the code (including six algorithms KPVM, EL M/SVD, BP/SVD and BPVM, and one dataset "Face") and put them in one zip file "pvm
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这个程序可以对KSVD进行综合测试。首先，会产生一个随机的正交字典，会产生一个ＫＳＶＤ算法输入，这个输入是一个数据信号集合，每个元素都是三维元素的线性组合。-In this file a synthetic test of the K-SVD algorithm is performed. First,
a random dictionary with normalized columns is being generated, and then
a set of data signal
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介绍了一种简化的SVD分解算法，这个算法已在MATLAB上验证，可以用于fpga上实现-ntroduces a simplified SVD decomposition algorithm, this algorithm has been validated in MATLAB can be used to achieve the fpga
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rform_dictionary_learning - learn a dictionnary using K-SVD algorithm. %. % [D,X,E] ... The number of iteration for sparse coding during each step of learning. % is given by ... 'mod': in this case, the dictionary update is computed using the L2.
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Image Compression Algorithm in MATLAB using SVD
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