济冀津晋京警兰辽领鲁蒙闽宁青琼陕使苏皖湘新学渝豫粤云.doc

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1、liccode=char(['0':'9''A':'Z''藏川甘赣贵桂黑沪吉济冀津晋京警兰辽领鲁蒙闽宁青琼陕使苏皖湘新学渝豫粤云浙']);%建立自动识别字符代码表tt=1;l=1;forI=1:7ii=int2str(I);t=imread([ii,'.jpg']);t=255-t;level=graythresh(t);t=im2bw(t,level);SegBw2=imresize(t,[2214],'nearest');iftt==1%第一位汉字识别kmin=37;kmax=72;t=~t;SegBw2=imresize(t,[2214],'nearest');else

2、iftt==2%第二位A~Z字母识别kmin=11;kmax=36;else%第三位以后是字母或数字识别kmin=1;kmax=36;endfork2=kmin:kmaxfname=strcat('codemoduleSam',liccode(k2),'.jpg');SamBw22=imread(fname);SamBw22=rgb2gray(SamBw22);SamBw2=imresize(SamBw22,[2214],'nearest');level=graythresh(SamBw2);SamBw2=im2bw(SamBw2,level);fori=1:22forj=

3、1:14SubBw2(i,j)=SegBw2(i,j)-SamBw2(i,j);endend%以上相当于两幅图相减得到第三幅图Dmax=0;fork1=1:22forl1=1:14if(SubBw2(k1,l1)>0

4、

5、SubBw2(k1,l1)<0)Dmax=Dmax+1;endendendError(k2)=Dmax;endError1=Error(kmin:kmax);MinError=min(Error1);findc=find(Error1==MinError);iftt==1findc=findc+36;endiftt==2findc=findc+10;endtt

6、=tt+1;res=liccode(findc);shibiejieguo(1,l)=res;l=l+1;end%%%getword子函数为：function[word,result]=getword(d)word=[];flag=0;y1=8;y2=0.5;whileflag==0[m,n]=size(d);wide=0;whilesum(d(:,wide+1))~=0&&wide<=n-2wide=wide+1;endtemp=qiege(imcrop(d,[11widem]));[m1,n1]=size(temp);ifwidey2d(:,[1:w

7、ide])=0;ifsum(sum(d))~=0d=qiege(d);%切割出最小范围elseword=[];flag=1;endelseword=qiege(imcrop(d,[11widem]));d(:,[1:wide])=0;ifsum(sum(d))~=0;d=qiege(d);flag=1;elsed=[];endendendresult=d;%%%qiege子函数为：functione=qiege(d)[m,n]=size(d);top=1;bottom=m;left=1;right=n;%initwhilesum(d(top,:))==0&&top<=mtop

8、=top+1;endwhilesum(d(bottom,:))==0&&bottom>1bottom=bottom-1;endwhilesum(d(:,left))==0&&left=1right=right-1;enddd=right-left;hh=bottom-top;e=imcrop(d,[lefttopddhh]);