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muipou
对信号进行频谱分析及滤波,欢迎大家下载学习,包括最后计算压缩图像的峰值信噪比和压缩效果的源码。( The signal spectral analysis and filtering, Welcome to download the study, Including the final calculation of the compressed image peak signal to noise ratio and compression of the source.)
- 2016-12-21 19:12:21下载
- 积分:1
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words
windows控制台下的一个小字典程序,可以自己添加字典,使用.(A small dictionary program under windows console, you can add your own dictionary to use.)
- 2014-11-26 11:32:19下载
- 积分:1
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integer
通常matlab不能进行整数规划,现一款混合整数的线形规划matlab m文件(Matlab usually can not be integer programming, are a mixed-integer linear programming matlab m file)
- 2009-09-13 11:16:47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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watermarking
语音水印算法的matlab 编程实现,毕业设计,基于小波,到谱分析(Audio Watermarking Techniques implemented by the MATLAB PROGRAMMING)
- 2010-07-30 16:32:56下载
- 积分:1
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matlab
matlab实用程序百例源代码,主要涉及图形应用、界面设计、图形处理和数值分析。(matlab source code for 100 cases of practical procedures, mainly related to graphics applications, interface design, graphics processing and numerical analysis.)
- 2009-05-05 09:24:22下载
- 积分:1
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svpwm1
说明: 一个闭环的SVPWM控制,可以稳定控制电机作为毕业设计用(A closed loop of the SVPWM control, stability control motor can be used as a graduation project)
- 2011-04-06 09:01:42下载
- 积分:1
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ac
说明: ac motor sim.nhgffdvdffdeweww fg
- 2013-01-08 01:07:16下载
- 积分:1
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demo-example-4
Demo emf source code 4
- 2011-06-04 17:14:36下载
- 积分:1
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2222
说明: 关于亚像素边缘检测的一些文章,感觉比较有用(Subpixel edge detection on some articles, I feel more useful)
- 2011-03-11 11:25:42下载
- 积分:1