matlab-车道线检测8页.doc

clc%读图最后得到灰度图像rgA=imread(999.png);r c d=size(A);r2g=zeros(r,c);red=zeros(r,c);green=zeros(r,c);blue=zeros(r,c);rg=zeros(r,c);for i=1:r; for j=1:c; red(i,j)=A(i,j,1);%提取图像的红色分量 green(i,j)=A(i,j,2);%提取图像的绿色分量 blue(i,j)=A(i,j,3);%提取图像的蓝色分量 endendfor i=1:r; for j=1:c; rg(i,j)=0.5*red(i,j)+0.5*green(i,j); endendrg=uint8(rg); for i=1:r; for j=1:c; if rg(i,j)