clear?close?all;
file_path?=‘C:\Users\user\Desktop\project\kz‘;
sdir=‘C:\Users\user\Desktop\project\kz‘;
img_PathList?=?dir（strcat（file_path?‘*.png‘））;
img_num?=?length（img_PathList）;
for?i=1:img_num
????
????img_name?=?img_PathList（i）.name;
????image?=?imread（strcat（file_pathimg_name））;
????
????img_tep?=?imresize（image?[38?134]）;
????a1?=?img_tep（1:32?1:128）;
????a2?=?img_tep（7:38?1:128）;
????a3?=?img_tep（1:32?7:134）;
????a4?=?img_tep（7:38?7