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MATLABtofangchengzu
非线性方程组(nonlinear equations)
- 2007-06-29 17:57:46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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MyCarLocal
车牌定位原代码,具有较好的定位功能,实时性较好(License plate location of the original code, and has good positioning capabilities, better real-time)
- 2010-05-30 14:15:19下载
- 积分:1
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[3594900]TIP41
TIP41技术资料 够全面 一看就懂 (TIP41 technical information comprehensive enough to understand at a glance)
- 2010-06-01 15:35:34下载
- 积分:1
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Mri-simulation
simulation on matlab a DCE-MRI like experiment.
- 2015-01-25 02:21:21下载
- 积分:1
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matched_filter
基于匹配滤波器的线性调频雷达回波产生及压缩(LFM matched filter-based radar echo generation and compression)
- 2010-11-30 22:18:52下载
- 积分:1
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psplotmaxconstr
plot function maximum and minimum matlab
- 2013-04-09 16:24:07下载
- 积分:1
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KalmanFiltering
经典的Kalman滤波方面书籍《卡尔曼滤波理论与实践》(英)源代码(Kalman Filtering- Theory and Practice.rar)
- 2011-06-19 20:43:23下载
- 积分:1
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lpc-analysis
Matlab code for LPC analysis
- 2015-03-24 20:06:53下载
- 积分:1
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minboundrect
用MATLAB计算二值图像的最小外接矩形,并输出矩形范围。(Calculating the minimum circumscribed rectangle of two valued images)
- 2020-11-21 18:29:36下载
- 积分:1