I = imread('C:\\Users\\dell\\Downloads\\ECE 564 2\\assignment2\\image\\image 2.png') ;
image(I) ;
I = single(rgb2gray(I)) ;
[f,d] = vl_sift(I) ;
perm = randperm(size(f,2)) ;
sel = perm(1:50) ;
h1 = vl_plotframe(f(:,sel)) ;
h2 = vl_plotframe(f(:,sel)) ;
set(h1,'color','k','linewidth',3) ;
set(h2,'color','y','linewidth',2) ;
h3 = vl_plotsiftdescriptor(d(:,sel),f(:,sel)) ;
set(h3,'color','g')
