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obmc-matlab
Matlab code for OBMC Coding!!
- 2011-05-13 18:52:45下载
- 积分:1
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rate-resampling-of-signal-processing
详细叙述如何完成重采样,并利用matlab实现此功能。(Described in detail how to complete the re-sampling, and use of matlab to implement this feature.)
- 2012-06-02 17:49:57下载
- 积分:1
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genetic-algorithm
一种智能优化算法-遗传算法的matlab源程序(genetic algorithm)
- 2013-09-01 17:37:57下载
- 积分:1
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maxmin_cluster
设计Matlab程序实现最大最小距离聚类法,要求:输入模式向量和类别数,能够输出聚类的结果(Design Matlab achieve maximum minimum distance clustering method, requirements: input mode vector and the number of categories, can output the result of clustering
)
- 2014-12-10 14:30:45下载
- 积分:1
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qixiang
气象色谱波峰波谷检测,比较简单的方法,欢迎大家下载(Meteorological chromatographic peaks and valleys detection)
- 2013-11-15 14:12:21下载
- 积分:1
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rectangle
矩形孔菲涅尔衍射图像得计算程序,读者可以修改相关参数,以观察不同形式得菲涅尔衍射图像。(Rectangular aperture Fresnel diffraction image obtained calculation program, readers can modify the relevant parameters to observe the different forms have Fresnel diffraction image.)
- 2016-09-25 09:35:11下载
- 积分:1
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imm4695
多元统计分析中的典型相关分析m代码,可用于多元变化检测,各种统计分析(M code of canonical correlation analysis of multivariate statistical analysis)
- 2013-04-08 22:04:31下载
- 积分:1
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fourbarras
Power Flow Sistema de 4 Barras
- 2013-05-02 04:05:00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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energy
Enegry of a Speech signal.
- 2010-08-27 22:31:07下载
- 积分:1