hunhe.m

利用fastica数据包对给定的两幅混合图象利用独立成分分析进行分离。

%混和图像
a=imread('rice.tif');
b=imread('ic.tif');
figure;
subplot(1,2,1);imshow('rice.tif');
subplot(1,2,2);imshow('ic.tif');
grid on;
[n,m]=size(a);
A=reshape(a,1,m*n);
B=reshape(b,1,m*n);
C=cat(1,A,B);
d=rand(2,2);
C1=double(C);
M=d*C1;
M1=uint8(M);
M11=M1(1,:);
I1=M11(1,:);
I2=M1(2,:)
K=reshape(I1,n,m);
L=reshape(I2,n,m);
figure
subplot(121),imshow(K);
subplot(122),imshow(L);

[icasig] = FASTICA (M);


S1=icasig(1,:);
S2=icasig(2,:);
K1=reshape(S1,n,m);
icasig1=mat2gray(K1);
L1=reshape(S2,n,m);
icasig2=mat2gray(L1);
figure
subplot(121),imshow(icasig1);
subplot(122),imshow(icasig2);