im2vec.m

matlab人脸检测软件

% Version : 5.0
% Date : MAY / 18 / 2007
% Author  : Omid Bonakdar Sakhi

function IMVECTOR = im2vec (W27x18)

load gabor;
W27x18 = adapthisteq(W27x18,'Numtiles',[8 3]); 
Features135x144 = cell(5,8);
for s = 1:5
    for j = 1:8
        Features135x144{s,j} = ifft2(G{s,j}.*fft2(double(W27x18),32,32),27,18);
    end
end
Features135x144 = abs(cell2mat(Features135x144));
Features135x144 (3:3:end,:)=[];
Features135x144 (2:2:end,:)=[];
Features135x144 (:,3:3:end)=[];
Features135x144 (:,2:2:end)=[];
Features45x48 = premnmx(Features135x144);
IMVECTOR = reshape (Features45x48,[2160 1]);