inputfacialfeatures.m

It is for Face Recognition

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% function inputFacialFeatures()
%   z.li, 11-20-2003.
%   input facial features
% function dependency:
%   - n/a
% input:
%   nLEye  
%   nREye  
%   nMouth 
% output:
%   
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% function [lEyes, rEyes, mouths] = inputFacialFeatures(nLEye, nREye, nMouth)
function [lEyes, rEyes, mouths] = inputFacialFeatures(nLEye, nREye, nMouth)

% const
 minScale = 4;
 maxScale = 4.001;
 minProb  = 0.999;
 maxProb  = 1.0;

% prep interface
figure(1);
clf;
axis([1 100 1 100]);
hold on;
% scales and probs
n = max([nLEye, nREye, nMouth]);
prob = random('unif', minProb, maxProb, n, 1);
scales = random('unif', minScale, maxScale, n, 1);

% input left eye
fprintf('input left eye positions (n=%d)..', nLEye);
for i=1:nLEye
   % create arbitrary 2D data....
   [tx,ty] = ginput(1);
   plot(tx,ty,'+r');
   lEyes(1,i) = prob(i);
   lEyes(2,i) = fix(scales(i));
   lEyes(3,i) = tx;
   lEyes(4,i) = ty;
   lEyes(5,i) = 0;
   lEyes(6,i) = 0;      
end

% input right eye
fprintf('input right eye positions (n=%d)..', nREye);
for i=1:nREye
   % create arbitrary 2D data....
   [tx,ty] = ginput(1);
   plot(tx,ty,'+b');
   rEyes(1,i) = prob(i);
   rEyes(2,i) = fix(scales(i));
   rEyes(3,i) = tx;
   rEyes(4,i) = ty;
   rEyes(5,i) = 0;
   rEyes(6,i) = 0;      
end

% input mouth
fprintf('input mouth positions (n=%d)..', nMouth);
for i=1:nMouth
   % create arbitrary 2D data....
   [tx,ty] = ginput(1);
   plot(tx,ty,'^k');
   mouths(1,i) = prob(i);
   mouths(2,i) = fix(scales(i));
   mouths(3,i) = tx;
   mouths(4,i) = ty;
   mouths(5,i) = 0;    % all horizontal mouth
end