%%%example75_figure
%%%%imread  the image samples 
figure('name','實驗圖像','numbertitle','off');
img1=imread('example75_img1.bmp');
img2=imread('example75_img2.bmp');
subplot(1,2,1),imshow(rgb2gray(img1));
subplot(1,2,2),imshow(rgb2gray(img2));
 
% subplot(1,2,2),imshow(mat2gray(reshape((W(:,1)*c2(1)+b),32,32)));