%%%example76_result
%%%%imread  the image samples 
figure('name','測試圖像','numbertitle','off');
imgx=imread('example76_imgx.bmp');
subplot(1,3,2),imshow(rgb2gray(imgx));

figure('name','測試圖像特征提取','numbertitle','off');
%%%test 
test=reshape(double(rgb2gray(imgx)),32*32,1);
F=W*(test-b);
x=1:cpts;
F=F(x);
plot(x,F,'b',x,F,'r.');