function?[PY2PY1PX2PX1Plate]=caitu_fenge（I）
[yxz]=size（I）;
if?x<900
beishu=1000/x;
end
if?x>900
myI=double（I）;
Y_threshlow=5;%這個數值很重要。決定了提取的彩圖的質量
X_firrectify=5;%ganrao?transaction
%======================?Y?方向============================
Blue_y=zeros（y1）;
for?i=1:y????
????for?j=1:x
???????%if?（myI（ij1）<=48）&&（myI（ij2）>=40）&&（myI（ij2）<=90）&&（myI（ij3）<=220）&&（myI（ij3）>=80）????
????????if（（myI（ij1）<=48）&&（（myI（ij2）<=100）&&（myI（ij2）>=40））&&（（myI（ij3）<=200）&&（myI（ij3）>=80）））??
????????%if?（（myI（ij1）<=0.7）&&（myI（ij1）>=0.6）&&（（myI（ij2）<=1.8）&&（myI（ij2）>=0.6））&&（（myI（ij3）<=1.7）&&（myI（ij3）>=0.45）））
???????????Blue_y（i1）=?Blue_y（i1）+1;?????%?藍色象素點統計????????????????????
????????end??
????end???????
end
baisebili=0;changkuanbi=0;
k=0;
while（~（（baisebili>=0.12）&&（baisebili<=0.5）&&（changkuanbi>=0.20）&&（changkuanbi<=0.6）））%gai?shan?qingxie
????if??（k==0）%第一次進來
????????[temp?MaxY]=max（Blue_y）;%?Y方向車牌區域確定?temp（最多點數）:所有行中，最多的累積像素點?MaxY（最多點所在行）:該行中藍點最多
??????%??if?temp<=20%2048*1536??照相
???????%???msgbox（‘車牌定位出錯3‘‘warning‘）;
????????%???wavplay（wavread（‘車牌定位出錯.wav‘）22000）;
?????????%??pause;
????????%end
????????PY1=MaxY;%有最多藍點的行付給PY1
????????while?（（Blue_y（PY11）>=Y_threshlow）&&（PY1>1））%找到圖片上邊界
????????????PY1=PY1-1;
????????end?
???????
????????%PY1：存儲車牌上邊界值
????????PY2=MaxY;
????????while?（（Blue_y（PY21）>=Y_threshlow）&&（PY2?????????????PY2=PY2+1;
????????end
?
%==============X?方向===============================
????????X_threshhigh=（PY2-PY1）/11;%這個數值很重要。決定了提取的彩圖的質量適當提高可抗干擾，但是小圖會照成剪裁太多
????????Blue_x=zeros（1x）;?????????????%?進一步確定X方向的車牌區域
????????for?j=1:x
????????????for?i=PY1:PY2
??????????????%??if（（myI（ij1）<=48）&&（（myI（ij2）<=90）&&（myI（ij2）>=30））&&（（myI（ij3）<=160）&&（myI（ij3）>=80）））??????
????????????????if（（myI（ij1）<=65）&&（（myI（ij2）<=100）&&（myI（ij2）>=40））&&（（myI（ij3）<=160）&&（myI（ij3）>=90）））%這里由82修改成90.因為圖片20090504809???
???????????????%??if?（（myI（ij1）<=0.7）&&（myI（ij1）>=0.6）&&（（myI（ij2）<=1.8）&&（myI（ij2）>=0.6））&&（（myI（ij3）<=1.7）&&（myI（ij3）>=0.45）））
?????????????????Blue_x（1j）=?Blue_x（1j）+1;???????????????
????????????????end??
????????????end???????
????????end
????????[temp?MaxX]=max（Blue_x）;
????????PX1=MaxX-6*（PY2-PY1）;
????????if??PX1<=1
????????????PX1=1;
????????end
????????while?（（Blue_x（1PX1）<=X_threshhigh）&&（PX1??????????????PX1=PX1+1;
????????end?%確定出X方向車牌起點???
????????PX2=MaxX+6*（PY2-PY1）;
????????if??PX2>=x
????????????PX2=x;
????????end
????????while?（（Blue_x（1PX2）<=X_threshhigh）&&（PX2>PX1））%閾值
???????????????PX2=PX2-1;
????????end%確定出X方向車牌終點
????????
%?????????PX1=1;
%?????????while?（（Blue_x（1PX1）<=X_threshhigh）&&（PX1%??????????????PX1=PX1+1;
%?????????end?%確定出X方向車牌起點???
%?????????PX2=x;
%?????????while?（（Blue_x（1PX2）PX1））%閾值
%?????????????PX2=PX2-1;
%????????end%確定出X方向車牌終點
????
%=========================================================???????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-05-12?12:59??Plate?recognition?system?source?code\
?????目錄???????????0??2015-05-16?10:50??Plate?recognition?system?source?code\Plate?recognition?system?source?code\
?????文件???????53738??2009-05-03?06:32??Plate?recognition?system?source?code\Plate?recognition?system?source?code\0.WAV
?????文件???????59458??2009-05-03?06:32??Plate?recognition?system?source?code\Plate?recognition?system?source?code\1.WAV
?????文件???????66058??2009-05-03?06:32??Plate?recognition?system?source?code\Plate?recognition?system?source?code\2.WAV
?????文件???????58138??2009-05-03?06:32??Plate?recognition?system?source?code\Plate?recognition?system?source?code\3.WAV
?????文件???????53738??2009-05-03?06:32??Plate?recognition?system?source?code\Plate?recognition?system?source?code\4.WAV
?????文件???????50218??2009-05-03?06:32??Plate?recognition?system?source?code\Plate?recognition?system?source?code\5.WAV
?????文件???????61218??2009-05-03?06:32??Plate?recognition?system?source?code\Plate?recognition?system?source?code\7.WAV
?????文件???????58138??2009-05-03?06:32??Plate?recognition?system?source?code\Plate?recognition?system?source?code\8.WAV
?????文件???????51538??2009-05-03?06:32??Plate?recognition?system?source?code\Plate?recognition?system?source?code\9.WAV
?????文件???????57258??2009-05-03?06:31??Plate?recognition?system?source?code\Plate?recognition?system?source?code\A.WAV
?????文件???????58138??2009-05-03?06:31??Plate?recognition?system?source?code\Plate?recognition?system?source?code\B.WAV
?????文件???????71338??2009-05-03?06:31??Plate?recognition?system?source?code\Plate?recognition?system?source?code\C.WAV
?????文件???????51098??2009-05-03?06:31??Plate?recognition?system?source?code\Plate?recognition?system?source?code\D.WAV
?????文件????????5216??2015-05-13?21:48??Plate?recognition?system?source?code\Plate?recognition?system?source?code\Data.xls
?????文件???????48018??2009-05-03?06:31??Plate?recognition?system?source?code\Plate?recognition?system?source?code\E.WAV
?????文件???????57258??2009-05-03?06:31??Plate?recognition?system?source?code\Plate?recognition?system?source?code\F.WAV
?????文件???????76618??2009-05-03?06:31??Plate?recognition?system?source?code\Plate?recognition?system?source?code\G.WAV
?????文件???????70018??2009-05-03?06:31??Plate?recognition?system?source?code\Plate?recognition?system?source?code\H.WAV
?????文件???????63418??2009-05-03?06:31??Plate?recognition?system?source?code\Plate?recognition?system?source?code\J.WAV
?????文件???????59458??2009-05-03?06:31??Plate?recognition?system?source?code\Plate?recognition?system?source?code\K.WAV
?????文件???????53298??2009-05-03?06:31??Plate?recognition?system?source?code\Plate?recognition?system?source?code\L.WAV
?????文件???????66058??2009-05-03?06:31??Plate?recognition?system?source?code\Plate?recognition?system?source?code\M.WAV
?????文件???????60778??2009-05-03?06:31??Plate?recognition?system?source?code\Plate?recognition?system?source?code\N.WAV
?????文件???????51978??2009-05-03?06:31??Plate?recognition?system?source?code\Plate?recognition?system?source?code\P.WAV
?????文件???????66058??2009-05-03?06:31??Plate?recognition?system?source?code\Plate?recognition?system?source?code\Q.WAV
?????文件???????59898??2009-05-03?06:31??Plate?recognition?system?source?code\Plate?recognition?system?source?code\R.WAV
?????文件???????59018??2009-05-03?06:31??Plate?recognition?system?source?code\Plate?recognition?system?source?code\S.WAV
?????文件?????????802??2015-05-13?21:14??Plate?recognition?system?source?code\Plate?recognition?system?source?code\SEC_xiuzheng.m
?????文件???????47138??2009-05-03?06:31??Plate?recognition?system?source?code\Plate?recognition?system?source?code\T.WAV
............此處省略142個文件信息