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implicitmesh
说明: 这个文件里包含了画隐函数立体图的方法,简便使用,容易学习。(it about a technique of implicit functions diagram.)
- 2011-04-06 15:35:22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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Uni_motor
This folder has two files for the simulation of universal motor. please run the *.m file to run the *.mdl file(This folder has two files for the simulation of universal motor. please run the*.m file to run the*.mdl file)
- 2009-11-05 12:08:30下载
- 积分:1
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c8_pi4demo
通信系统的方针,用matlab编写,qpsk(communication system simulation by matlab,qpsk)
- 2005-08-19 11:33:10下载
- 积分:1
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50-practice-of-MATLAB
这是一部练习MATLAb编程的书籍,共有50道题目,没道题目都有详细的解释(This is a practice MATLAb programming books, a total of 50 questions, did not have a detailed explanation of the title track)
- 2013-11-30 09:45:45下载
- 积分:1
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fuzzysketch
Fuzzy Extractor Sketch
- 2014-01-08 05:18:00下载
- 积分:1
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S.J.Chapman
有关S.J.Chapman《MATLAB编程》中文版修正版的书籍资料(For SJChapman " MATLAB Programming" revised version of the book Chinese data)
- 2010-10-14 18:18:04下载
- 积分:1
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LBP
this code is based upon LBP..
- 2010-12-10 18:03:16下载
- 积分:1
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snr
this file is useful in finding snr ratio
- 2013-04-02 22:45:02下载
- 积分:1
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DIIVINE_release
DIIVINE 目前最先进的无参考图像质量评价软件(DIIVINE the most advanced no reference image quality assessment algorithm)
- 2012-03-15 15:28:35下载
- 积分:1