Im?=?imread（‘D:\hanwangrecogproj\wy20140814\算法研究\測試圖片\23（粵S81E01-藍）{1}.jpg‘）;
I?=?rgb2gray（Im）;
%??imagBW?=?niblack（I）;
w?=??6;%???
max?=?0;???
min?=?0;???
[mn]?=?size（I）;???
T?=?ones（m?n?）;???
?T=255*T;?
?II=false（mn）;
rk=0.4;
for?i?=?（w?+?1）:（m?-?w）???
????for?j?=?（w?+?1）:（n?-?w）??????
????????sum?=?0;
????????for?k?=?-w:w???
????????????for?l?=?-w:w???
????????????????sum?=?sum?+?uint32（I（i?+?kj?+?l））;
????????????end???
????????end???