在图片上面画积分投影曲线

path='D:\facedatabase\eyes\3.jpg';I=imread(path);hf=figure(1);haxes=axes('parent',hf,'units','normalized','position',[0.1 0.1 0.8 0.8]);axes(haxes);image(I);axis onI=rgb2gray(I);I=double(I);[m,n,t]=size(I)s1=zeros(1,n);for i=1:n    for j=1:m        s1(i)=s1(i)+I(j,i);    endendhold onx=1:n;plot(x,s1/100);s1axis on;axis auto;