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matlab
matlab中遗传算法工具及使用方法，书中有大量实际应用的例子，便于初学者学习(matlab genetic algorithm in the tool and use the book, a large number of practical applications, easy for beginners to learn)
- 2010-07-26 14:48:17下载
- 积分：1
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dct
M=512 原图像长度
N=64
K=8
I=zeros(M,M)
J=zeros(N,N)
BLOCK=zeros(K,K)
显示原图像
I=imread( f:ceshiyuanshitu.bmp )
figure
imshow(I)
xlabel( 原始图像 )
显示水印图像
J=imread( f:ceshilogistic_nuaa64.bmp )
figure
imshow(J)
xlabel( 水印图像 )
嵌入水印
tem=1
for p=1:N
for q=1:N
x=(p-1)*K+1
y=(q-1)*K+1
BLOCK=I(x:x+K-1,y:y+K-1)
BLOCK=dct2(BLOCK)
if J(p,q)==0
a=-1
else
a=1
end
BLOCK(2,1)=BLOCK(2,1)*(1+a*0.01)
BLOCK=idct2(BLOCK)
I(x:x+K-1,y:y+K-1)=BLOCK
end
end
显示嵌入水印后的图像
figure
imshow(I)
xlabel( 嵌入水印后的图像 )
imwrite(I, f:ceshiembedded.bmp )
- 2010-06-13 18:43:39下载
- 积分：1
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st
说明： matlab编的时频分析的小程序，可用于各种信号的时频分析(matlab series of time-frequency analysis procedures can be used for a variety of signal time-frequency analysis)
- 2012-09-06 10:08:22下载
- 积分：1
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MATLAB7.0-Basal-Teaching-Courses
简单的介绍了matlab7.0，及其安装和用户界面；介绍了matlab7.0的强大的编辑功能和各种实际应用。(Simple matlab7.0 is introduced, and the installation and user interface Introduces the powerful editing functions matlab7.0 and all kinds of practical application
)
- 2011-11-22 13:58:35下载
- 积分：1
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hxg
定义了一个函数用来计算两个序列的互相关值，根据给定的两个序列计算其互相关值并以图形方式输出结果。(Defines a function used to calculate the cross-correlation of two sequences of values, according to a given sequence of two to calculate the value of inter-related and graphical output.)
- 2009-06-30 21:18:22下载
- 积分：1
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fracal_function
分形提供了一种描述工程中不规则复杂现象中的秩序和结构的新方法。分形算法源程序，附带说明，已经过调试(Fractal description of the project provides a complex phenomenon in irregular order and structure of the new method. Fractal algorithm source code, a side note, has been commissioning)
- 2011-06-08 15:09:44下载
- 积分：1
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matlab
里边包含了一个如何区分6和9的代码以及用最小距离法、梯度法以及K-NN方法对样本进行的分类代码(Inside contains an example of how to distinguish between 6 and 9, as well as the code with the minimum distance method, the gradient method and K-NN method for sample classification codes)
- 2014-12-11 23:12:22下载
- 积分：1
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demo_feature_select
对卫星云图特征识别与选择，并通过多种算法的综合应用，寻找显著性特征。(The identification and selection of the satellite image characteristics, and by the application of a variety of algorithms to find the significant features.)
- 2013-04-25 21:47:36下载
- 积分：1
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exm0563_1
从三维坐标初步观察两函数图形相交情况，对初学者有一定的帮助！！(zx)
- 2010-11-15 20:09:21下载
- 积分：1
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matlab_example_2
实例：指定坐标轴范围
实例：绘制不同函数曲线的用户界面
上传了这些实例,大家参考!(Example: the scope of the designated axes Example: Draw different curves of the user interface From these examples, refer to everyone!)
- 2008-05-07 13:48:26下载
- 积分：1
