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regu
正则化化技术处理，l_curve方法和gcv方法选择参数，进行求解，得到问题的最解(Regularization of technical processing, l_curve methods and gcv method to select parameters, is solved by the solutions of the problem)
- 2021-03-29 16:09:10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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WAVELAB850
功能强大、包含多种算法的小波分析工具箱，须在matlab下安装(A powerful, multi-algorithm of wavelet analysis toolbox, to be installed in the matlab)
- 2009-09-17 21:09:40下载
- 积分：1
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xinyin
对心电信号进行处理，R波定位，特征点提取(ECG signal processing, R wave positioning, feature point extraction)
- 2017-03-24 10:40:55下载
- 积分：1
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GM_PHD1
是自己编写的GM-PHD多目标跟踪软件，能够给于初学者一个简单的认识。(Is the GM-PHD to write your own multi-target tracking software can give beginners a simple understanding.)
- 2010-09-29 22:01:41下载
- 积分：1
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sosi
描述了软输入，软输出的维特比译码算法的实现 siso(siso)
- 2010-05-27 08:26:46下载
- 积分：1
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phase_shift
频率偏移估计，对初学者有很大帮助.请有用的欢迎下载(Frequency offset estimation of great help for beginners. Useful welcome to download)
- 2013-05-13 10:59:55下载
- 积分：1
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LTE_Scrambler
this code implement LTE scrambler and LTE descrambler used in the 4G mobiles release 8.parameters of these two blocks are flexible.
- 2013-12-13 20:01:12下载
- 积分：1
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AR_example
时间预测模型AR，AR模型的算法，对数据进行预测。(Time prediction model AR, AR model algorithm, the data to predict.)
- 2020-12-21 14:49:07下载
- 积分：1
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jizhi
基于实数编码遗传算法的函数极植优化程序，希望大家能够相互参考学习(Based on real-coded genetic algorithm function pole planting of the program, hope that we can cross-reference study)
- 2010-11-20 19:51:23下载
- 积分：1
