eigenfacecore.m

Face recognition using webcam and this data.if the person exist means its gives the serial data out.

function [m, A,L_eig_vec, Eigenfaces] = EigenfaceCore(T)

% Calculating the mean image 
m = mean(T,2);
Train_Number = size(T,2);

%Calculating the deviation of each image from mean image
A = [];  
for i = 1 : Train_Number
    temp = double(T(:,i)) - m; % Ai = Ti - m
    A = [A temp]; 
end

%Eigenvalues
L = A'*A; 
[V D] = eig(L); 
L_eig_vec = [];
for i = 1 : size(V,2) 
    if( D(i,i)>1 )
        L_eig_vec = [L_eig_vec V(:,i)];
    end
end

%Calculating the eigenvectors of covariance matrix 'C'
Eigenfaces = A * L_eig_vec;