getsubimage.m

It is for Face Recognition

%function [icon, vec]=getSubImage(img, x, y, w, h)
function [icon, vec]=getSubImage(img, x, y, w, h)
  icon(1:h,1:w) = img(y:y+h-1,x:x+w-1);
  for j=1:h
     vec((j-1)*w+1:(j-1)*w+w) = icon(j,:);
  end