getfaceicons.m

It is for Face Recognition

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% function getFaceIcons()
%   z.li, 12-26-2003.
%   get face in icons with specified size
% function dependency:
%   - showFeretFace()
% input:
%   truth - ground truth about eye, mouth, nose location
%   W, H  - size of icon in pels, notice that the area has been fixed by 
%           showFeretFace()
% output:
%   faceIcnos - facial area sub image 
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%function [faceIcons]=getFaceIcons(truth, W, H)
function [faceIcons]=getFaceIcons(truth, W, H)
 dbg='n';
 if dbg=='y'
   truth = load('fbGndTruth.dat');
   W = 20; H = 30;  % implicit 2 by 3 constraint
 end

 n = length(truth(:,1));
 m=1; offs=0;
 if dbg == 'y'
    n = 20;
 end
 for k=1:n
      face = showFeretFace(truth, k);
      [h w] = size(face);
      if h ~=0 & w ~=0
         fht(m) = h; fwid(m) = w; hwr(m) = h/w;  
         [icon vec]=scaleImage(face, W, H);
         if dbg=='y'
           figure(1); subplot(4,5,k); colormap('gray'); imagesc(icon);
           figure(2); subplot(4,5,k); imshow(face, 256);
         end
         faceIcons(:,m)=vec;
         fprintf('\n >>k=%d,m=%d>> ', k, m);
         m=m+1;    
      end
 end