matlab 车牌字符分割代码注释 希望尽快答复 悬赏分：100 | 解决时间：2010-5-4 16:56 | 提问者：mxj19870819

global bw;

bw=qiege(bw);

[m,n]=size(bw);

figure,subplot(1,1,1),imshow(bw);title(n);

k1=1;k2=1;s=sum(bw);j=1;

while j~=n

while s(j)==0

j=j+1;

end

k1=j;

while s(j)~=0 && j<=n-1

j=j+1;

end

k2=j-1;

if k2-k1>=round(n/6.5)

[val,num]=min(sum(bw(:,[k1+5:k2-5])));

bw(:,k1+num+5)=0;  % 分割

end

end

% 再切割

bw=qiege(bw);

% 切割出 7 个字符

y1=10;y2=0.25;flag=0;word1=[];

while flag==0

[m,n]=size(bw);

left=1;wide=0;

while sum(bw(:,wide+1))~=0

wide=wide+1;

end

if wide

bw(:,[1:wide])=0;

bw=qiege(bw);

else

temp=qiege(imcrop(bw,[1 1 wide m]));

[m,n]=size(temp);

all=sum(sum(temp));

two_thirds=sum(sum(temp([round(m/3):2*round(m/3)],:)));

if two_thirds/all>y2

flag=1;word1=temp;   % 分割出第一个字符

end

bw(:,[1:wide])=0;bw=qiege(bw);

end

end

function e=qiege(bw)

[m,n]=size(bw);

top=1;bottom=m;left=1;right=n;   % init

while sum(bw(top,:))==0 && top<=m

top=top+1;

end

while sum(bw(bottom,:))==0 && bottom>=1

bottom=bottom-1;

end

while sum(bw(:,left))==0 && left<=n

left=left+1;

end

while sum(bw(:,right))==0 && right>=1

right=right-1;

end

dd=right-left;

hh=bottom-top;

e=imcrop(bw,[left top dd hh]);

function [word,result]=getword(bw)

word=[];flag=0;y1=8;y2=0.5;

while flag==0

[m,n]=size(bw);

wide=0;

while sum(bw(:,wide+1))~=0 && wide<=n-2

wide=wide+1;

end

temp=qiege(imcrop(bw,[1 1 wide m]));

[m1,n1]=size(temp);

if widey2

bw(:,[1:wide])=0;

if sum(sum(d))~=0

bw=qiege(bw);  % 切割出最小范围

else word=[];flag=1;

end

else

word=qiege(imcrop(bw,[1 1 wide m]));

bw(:,[1:wide])=0;

if sum(sum(bw))~=0;

bw=qiege(bw);flag=1;

else bw=[];

end

end

end

%end

result=bw;