下载后可任意编辑I=imread('E:\毕业设计\基于matlab的车牌定位的源程\车牌识别程序\Car1.jpg')[y,x,z]=size(I);myI=double(I);tic Blue_y=zeros(y,1);for i=1:y for j=1:x if((myI(i,j,1)<=30)&&((myI(i,j,2)<=62)&&(myI(i,j,2)>=51))&&((myI(i,j,3)<=142)&&(myI(i,j,3)>=119))) Blue_y(i,1)= Blue_y(i,1)+1; end end end[temp MaxY]=max(Blue_y); PY1=MaxY;while ((Blue_y(PY1,1)>=5)&&(PY1>1)) PY1=PY1-1;end PY2=MaxY;while ((Blue_y(PY2,1)>=5)&&(PY2=51))&&((myI(i,j,3)<=142)&&(myI(i,j,3)>=119))) Blue_x(1,j)= Blue_x(1,j)+1; end end end PX1=1;while ((Blue_x(1,PX1)<3)&&(PX1PX1)) PX2=PX2-1;endPX1=PX1-2; PX2=PX2+2; Plate=I(PY1:PY2,PX1-2:PX2,:);t=toc 下载后可任意编辑figure,imshow(I);figure,plot(Blue_y);gridfigure,plot(Blue_x);gridfigure,imshow(IY);figure,imshow(Plate);运行结果：t=0.4971下载后可任意编辑下载后可任意编辑
