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psnr
function PSNR2 = psnr(I,I_iter)
计算峰值信噪比
I : 原始信号
I_iter : 加噪信号(function PSNR2 = psnr (I, I_iter) calculate the peak signal to noise ratio I: the original signal I_iter: adding noise signal)
- 2010-10-22 17:35:52下载
- 积分:1
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work
有关DCT变换域的水印嵌入及提取MATLAB源程序(The DCT transform domain watermark embedding and extraction of MATLAB source code)
- 2010-05-06 20:12:42下载
- 积分:1
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zero_tree
该文提出的改进的算法是针对图像压缩编码的,针对四叉树,提出的方案产生了客观和特殊结构的二进制编码。(This paper presents an improved algorithm for image coding, quadtree for the proposed programs have the objective and the special structure of the binary encoding.)
- 2010-11-16 22:01:21下载
- 积分:1
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bch_coder
用MATLAB实现的关于BCH编码的程序原代码(MATLAB BCH code on the program source code)
- 2006-07-13 09:06:45下载
- 积分:1
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Sdifferhl1V
矢量的合成分析
求矢量f(n,2)在指数x(n)为高指数年(x(n)>coefh的年)的平均值fh(2)、低指数年(x(n)<coefh的年)的平均值fl(2)、高指数年与气候平均的合成差dh(2)、低指数年与气候平均的合成差dl(2)、以及高低指数年的合成差dhl(2)和差的显著性tn(5)。 (Synthesis of vector demand vector f (n, 2) the index of x (n) for the high-index on (x (n)> coefh of the year) average fh (2), low index on (x (n) <coefh的年)的平均值fl(2)、高指数年与气候平均的合成差dh(2)、低指数年与气候平均的合成差dl(2)、以及高低指数年的合成差dhl(2)和差的显著性tn(5)。)
- 2010-05-28 10:02:17下载
- 积分:1
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MATLAB数学建模 代码
matlab数学建模 (李昕)清华大学出版社 全书附带源码(The Chinese book of "Matlab Mathematics Modelling" from Tsinghua University Press original code.)
- 2020-06-21 02:40:01下载
- 积分:1
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downsample
说明: 关于降采样和升采样的代码展示,可以在MATLAB中运行调试,能够给出结果(The code display of down sampling and up sampling can be run and debugged in MATLAB)
- 2020-03-26 20:14:43下载
- 积分:1
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MinimumspanningtreePrim
Dandn文件给出了输入参数的名称及格式
即在调用prim前先输入邻接矩阵D和节点个数n输入prim得到两行的矩阵T,将上下两行数字对应的节点相连即可(Dandn file name given input parameters and format that is called prim before Input adjacency matrix D and node numbers n input prim are two lines of the matrix T, the number of up and down two lines can be connected to the corresponding node)
- 2010-06-25 02:20:41下载
- 积分:1
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BranchBound
说明: 最优化问题中分枝定界法求解整数线性规划问题(Optimization of branch and bound method for solving integer linear programming problem)
- 2010-04-29 20:55:36下载
- 积分:1
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laplacian_eigen
拉普拉斯特征映射,采用热核构造权重,是一种基于流行学习的非线性降维技术,可用于图像分割提高聚类的性能(Laplacian Eigenmap is a kind of nonlinear dimensionality reduction technique which based on manifold study, it choose the weights W using the heat kernel and it can be used for image segmentation to promote clustering performance.)
- 2020-12-15 16:39:13下载
- 积分:1