Files=?dir（‘F:\MyMATLAB\num1\‘）;
LengthFiles=?length（Files）;
for?i?=?1:LengthFiles-2
????m=strcat（‘F:\MyMATLAB\num1\‘int2str（i-1+200）‘.jpg‘）;
????w=imread（m）;???
????w?=?imread（‘91.png‘）;
????imshow（w）;
????w?=?rgb2gray（w）;
????w?=?~w;
????tmp=w;


%%%%%%%%%%%%%%%%圖片去雜點(diǎn)%%%%%%%%%%%%%%%
%?tmp?=?medfilt2（tmp[33]）;????
%?tmp=im2bw（tmp）;%將圖像二值化
?%?tmp=ones（size（tmp））-tmp;
?
???tmp=bwareaopen（tmp10）;%去掉圖像中面積（像素點(diǎn)總數(shù)）小于50的區(qū)域
?
%%%%%%%%%%膨脹%%%%%%
???se=strel（‘disk‘1）;%創(chuàng)建一個半徑為2的圓形結(jié)構(gòu)元素
???tmp=imdilate（tmpse）;%用結(jié)構(gòu)元素se對圖像作膨脹運(yùn)算


??tmp=~tmp;