function??[doneresult]?=?car_reco（?video?）
done=0;
%%%%%%%%%%%%%%%%????rgb轉換hsv?%%%%%%%%%%%%%%%%%%
HSV=rgb2hsv（video）;
%?figure（2）imshow（HSV）title（‘HSV圖‘）;
H=HSV（::1）;
S=HSV（::2）;
V=HSV（::3）;
%%%%%%%%%%%%%%%%%%%%%%?基于顏色的邊緣檢測??%%%%%%%%%%%
[y1x1z1]=size（HSV）;
for?i=2:y1-1
????for?j=2:x1-1
????????if?（?H（ij-1）>0.5&&H（ij-1）<0.75&&S（ij-1）>0.35&&V（ij-1）>0.25?）?&&?（?S（ij+1）<0.3&&V（ij+1）>0.4?）?
????????????ed1（ij）=1;
????????else?
????????????if?（?H（ij+1）>0.5&&H（ij+1）<0.75&&S（ij+1）>0.35&&V（ij+1）>0.25?）?&&?（?S（ij-1）<0.3&&V（ij-1）>0.4?）?
????????????????ed1（ij）=1;
????????????else
????????????????ed1（ij）=0;
????????????end?
????????end
????end
end
for?i=2:y1-1
????for?j=2:x1-1
????????if?（?H（i-1j）>0.5&&H（i-1j）<0.75&&S（i-1j）>0.35&&V（i-1j）>0.25?）?&&?（?S（i+1j）<0.3&&V（i+1j）>0.4?）
????????????ed2（ij）=1;
????????else?
????????????if?（?H（i+1j）>0.5&&H（i+1j）<0.75&&S（i+1j）>0.35&&V（i+1j）>0.25?）?&&?（?S（i-1j）<0.3&&V（i-1j）>0.4?）?
????????????????ed2（ij）=1;
????????????else
????????????????ed2（ij）=0;
????????????end?
????????end
????end
end
ed=ed1?|?ed2;
%?figure（3）imshow（ed）title（‘邊緣檢測‘）;
%%%%%%%%%%%%%%%%%%%%%%?連通?%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
se1=[1;1;1];
a=imdilate（edse1）;
se2=repmat（11120）;
b=imclose（ase2）;
se3=repmat（11150）;
c=imopen（bse3）;
se4=repmat（1301）;
d=imclose（cse4）;
se5=repmat（1501）;
e=imopen（dse5）;
%figure（4）;
%subplot（221）imshow（b）title（‘水平閉運算‘）;
%subplot（222）imshow（c）title（‘水平開運算‘）;
%subplot（223）imshow（d）title（‘豎直閉運算‘）;
%subplot（224）imshow（e）title（‘豎直開運算‘）;
%%%%%%%%%%%%?標記連通區域?%%%%%%%%%%%
[Lnum]?=?bwlabel（e8）;?%?標記連通區域
RGB=label2rgb（L）;
%figure（5）imshow（RGB）title（‘連通區域‘）;

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%???????????粗略定位???????????%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

[mn]=size（L）;
left=n;
right=0;
top=m;
buttom=0;
for?i?=?1:num?
????for?a=1:m
????????for?b=1:n
????????????if?L（ab）==i
????????????????if（b????????????????????left=b;
????????????????end
????????????????if（b>right）
????????????????????right=b;
????????????????end
????????????????if（a????????????????????top=a;
????????????????end
????????????????if（a>buttom）
????????????????????buttom=a;
????????????????end
????????????end
????????end
????end
????width?=?right?-?left?+?1;?
????height=?buttom?-?top?+?1;??
????if（（width>200）&&（width<500）&&（height>50）&&（height<150）&&（width/height>2.5）&&（width/height<5））
????????x1=left-round（width/10）;
????????x2=right+round（width/10）;
????????y1=top-round（height/4）;
????????y2=buttom+round（height/4）;
????????break;
????else
????????left=n;
????????right=0;
????????top=m;
????????buttom=0;
????end
end?
CAR=video（y1:y2x1:x2:）;
%figure（6）imshow（CAR）title（‘車牌粗略定位圖‘）;

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????35328??2017-04-17?15:36??MATLAB\cars.xls

?????文件??????43320??2016-12-18?10:17??MATLAB\CAR_RECO\CARS\1.jpg

?????文件??????69285??2017-04-17?15:36??MATLAB\CAR_RECO\CARS\2.jpg

?????文件??????63714??2016-12-16?16:02??MATLAB\CAR_RECO\CARS\3.jpg

?????文件?????122841??2016-08-06?10:11??MATLAB\CAR_RECO\CARS\A1.jpg

?????文件?????302336??2016-08-06?10:39??MATLAB\CAR_RECO\CARS\A2.jpg

?????文件?????151367??2016-08-06?10:10??MATLAB\CAR_RECO\CARS\A3.jpg

?????文件?????132232??2016-08-06?10:10??MATLAB\CAR_RECO\CARS\A4.jpg

?????文件?????119238??2016-08-06?10:10??MATLAB\CAR_RECO\CARS\A5.jpg

?????文件?????118888??2016-08-06?10:10??MATLAB\CAR_RECO\CARS\A6.jpg

?????文件?????121854??2016-08-06?10:09??MATLAB\CAR_RECO\CARS\A7.jpg

?????文件?????171508??2016-08-03?10:13??MATLAB\CAR_RECO\CARS\A8.jpg

?????文件?????121688??2016-08-07?09:58??MATLAB\CAR_RECO\CARS\A9.jpg

?????文件????????681??2016-08-01?10:46??MATLAB\CAR_RECO\ZFK\0.jpg

?????文件??????12351??2008-12-29?16:17??MATLAB\CAR_RECO\ZFK\2.jpg

?????文件????????815??2009-01-01?22:48??MATLAB\CAR_RECO\ZFK\3.jpg

?????文件????????712??2016-08-01?10:46??MATLAB\CAR_RECO\ZFK\4.jpg

?????文件????????764??2016-11-11?12:56??MATLAB\CAR_RECO\ZFK\5.jpg

?????文件????????829??2009-01-02?12:04??MATLAB\CAR_RECO\ZFK\6.jpg

?????文件????????583??2009-01-02?11:11??MATLAB\CAR_RECO\ZFK\7.jpg

?????文件????????789??2016-08-01?10:46??MATLAB\CAR_RECO\ZFK\8.jpg

?????文件????????771??2016-08-01?10:47??MATLAB\CAR_RECO\ZFK\9.jpg

?????文件????????724??2016-08-01?10:45??MATLAB\CAR_RECO\ZFK\A.jpg

?????文件????????807??2009-01-01?22:48??MATLAB\CAR_RECO\ZFK\B.jpg

?????文件????????596??2016-11-11?12:59??MATLAB\CAR_RECO\ZFK\E.jpg

?????文件????????509??2016-08-01?10:44??MATLAB\CAR_RECO\ZFK\F.jpg

?????文件????????790??2016-11-11?12:35??MATLAB\CAR_RECO\ZFK\G.jpg

?????文件????????620??2016-11-11?12:49??MATLAB\CAR_RECO\ZFK\H.jpg

?????文件????????566??2009-01-02?11:11??MATLAB\CAR_RECO\ZFK\J.jpg

?????文件????????507??2016-11-11?12:34??MATLAB\CAR_RECO\ZFK\L.jpg

............此處省略23個文件信息