currently i am doing project on secured image compression using independent component analysis and neural network... so as a resultant i am getting white image. my code is as follows:

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Tanvi 2014-11-15

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https://ww2.mathworks.cn/matlabcentral/answers/162825-currently-i-am-doing-project-on-secured-image-compression-using-independent-component-analysis-and-n

评论： Siam 2014-11-15

clc;
clear all;
i1=imread('t1.jpg');
i2=rgb2gray(i1);
p=imresize(i2, ([256 256]));
subplot(3,3,1)
imshow(p);
pa=p(:);
pb=pa';
k1=kurtosis(double(pb(:)));
i3=imread('t2.jpg');
i4=rgb2gray(i3);
q=imresize(i4, ([256 256]));
subplot(3,3,2)
imshow(q);
qa=q(:);
qb=qa';
k2=kurtosis(double(qb(:)));
i5=imread('t3.jpg');
i6=rgb2gray(i5);
s=imresize(i6,([256 256]));
subplot(3,3,3)
imshow(s);
sa=s(:);
sb=sa';
k3=kurtosis(double(sb(:)));
k=[k1 k2 k3];
s1=[pb;qb;sb];
a=5; b=10;
a1=unifrnd(a,b,3,3);
x=a1*double(s1);
figure(2)
imshow(x)

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Tanvi 2014-11-15

basically , i am trying to multiply an image with a randomly generated matrix. but in this case, instead of getting mixed image i am getting a white image. and also when i am doing imshow(a1) where a1 is randomly generated matrix is coming white. so please help me out with this.