修改下ORL人脸数据库的路径就能用,可显示特征脸、平均脸、识别率
代码片段和文件信息
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
目录 0 2013-07-04 08:53 face
目录 0 2013-07-04 08:53 face1DPCA
文件 2475 2013-05-10 20:56 face1DPCAPCA1D_TEST.asv
文件 2475 2013-05-19 15:34 face1DPCAPCA1D_TEST.m
文件 1503 2013-05-19 16:18 face1DPCAPCA1D_TRAIN.asv
文件 1503 2013-05-19 16:18 face1DPCAPCA1D_TRAIN.m
文件 121 2013-05-10 17:22 face1DPCAScaleImage.m
文件 14512940 2013-05-19 16:19 face1DPCAface_save_pca1d.mat
目录 0 2013-07-04 08:53 faceorl_faces
文件 1579 1995-02-23 18:13 faceorl_facesREADME
目录 0 2013-07-04 08:53 faceorl_facess1
文件 10318 1994-04-18 14:17 faceorl_facess11.pgm
文件 10318 1994-04-18 14:07 faceorl_facess110.pgm
文件 10318 1994-04-18 14:17 faceorl_facess12.pgm
文件 10318 1994-04-18 14:17 faceorl_facess13.pgm
文件 10318 1994-04-18 14:17 faceorl_facess14.pgm
文件 10318 1994-04-18 14:17 faceorl_facess15.pgm
文件 10318 1994-04-18 14:07 faceorl_facess16.pgm
文件 10318 1994-04-18 14:07 faceorl_facess17.pgm
文件 10318 1994-04-18 14:07 faceorl_facess18.pgm
文件 10318 1994-04-18 14:07 faceorl_facess19.pgm
目录 0 2013-07-04 08:53 faceorl_facess10
文件 10318 1994-04-18 14:18 faceorl_facess101.pgm
文件 10318 1994-04-18 14:07 faceorl_facess1010.pgm
文件 10318 1994-04-18 14:18 faceorl_facess102.pgm
文件 10318 1994-04-18 14:18 faceorl_facess103.pgm
文件 10318 1994-04-18 14:18 faceorl_facess104.pgm
文件 10318 1994-04-18 14:18 faceorl_facess105.pgm
文件 10318 1994-04-18 14:07 faceorl_facess106.pgm
文件 10318 1994-04-18 14:07 faceorl_facess107.pgm
文件 10318 1994-04-18 14:07 faceorl_facess108.pgm
............此处省略419个文件信息
%clc;
load face_save_pca1d;
tic;
if select==1;%平均样本作为聚类中心
k=0;
for i=1:m:nImages
k=k+1;
A=x(:i);
for j=2:m
A=A+x(:i+j-1);
end;
Y1(:k)=A;
end;
Y1=1/m*Y1;
for i=1:40
Y(:i)=V‘*Y1(:i);%平均样本作为聚类中心
end;
else
for i=1:nImages
Y(::i)=V‘*x(:i);%单个样本作为聚类中心
end
end
error=0;correct=0;
%读取训练集
for ii=1:40
for jj=m+1:10
filename = sprintf(‘C:\Users\ltt\Desktop\FACE ORL\orl_faces\s%d\%d.pgm‘iijj);%1610%cbcl-face-database
T =imread(filename);
TT = double(T)/255;
TT=TT.^exp;%0.6 is the best
T1=TT(:);
B = V‘*T1;
if select==1%平均样本作为聚类中心
for i=1:40
A=B-Y(:i);
dist=dot(A(:)A(:));
dist_comp(i)=dist;
strDist(i) = cellstr(sprintf(‘%2.2f
‘dist_comp(i)));
end;
[sorted sorted_index] = sort(dist_comp); % sort distances
sorted_class=sorted_index(1);
if sorted_index(1)==ii;
correct=correct+1;
else
error=error+1;
end
else %单个样本作为聚类中心
for i=1:nImages
%A=B-Y(:i);
%dist=dot(A(:)A(:));
A=Y(:i);
dist=sum((A(:)-B(:)).^2).^0.5;
dist_comp(i)=dist;
strDist(i) = cellstr(sprintf(‘%2.2f
‘dist_comp(i)));
end;
[sorted sorted_index] = sort(dist_comp); % sort distances
iii=sorted_index(1);
sorted_class=fix(iii/m)+1;
j_j=mod(iiim);
if (j_j==0) sorted_class=sorted_class-1;end;
if (sorted_class==ii) correct=correct+1;
else error=error+1;
% figure
% subplot(211); imshow(T); title(‘original image‘);
% subplot(212);
%filename = sprintf(‘C:\Users\ltt\Desktop\FACE ORL\orl_faces\s%d\%d.pgm‘sorted_class1);
%T2 = imread(filename); imshow(T2); title(‘error image‘);
end; %end above if
end %end the total if(if select==1)
end; %end for (the varible is jj)
end; %end for (the varible is i)
correct_rat=correct/((10-m)*40);
display (sprintf(‘the correct=%d error=%d correct_rat=%.4f‘correcterrorcorrect_rat));
%test_endtime=datestr(now13)
toc;
%display(‘*********end of program**************‘);
display(‘ ‘);
属性 大小 日期 时间 名称
----------- --------- ---------- ----- ----
目录 0 2013-07-04 08:53 face
目录 0 2013-07-04 08:53 face1DPCA
文件 2475 2013-05-10 20:56 face1DPCAPCA1D_TEST.asv
文件 2475 2013-05-19 15:34 face1DPCAPCA1D_TEST.m
文件 1503 2013-05-19 16:18 face1DPCAPCA1D_TRAIN.asv
文件 1503 2013-05-19 16:18 face1DPCAPCA1D_TRAIN.m
文件 121 2013-05-10 17:22 face1DPCAScaleImage.m
文件 14512940 2013-05-19 16:19 face1DPCAface_save_pca1d.mat
目录 0 2013-07-04 08:53 faceorl_faces
文件 1579 1995-02-23 18:13 faceorl_facesREADME
目录 0 2013-07-04 08:53 faceorl_facess1
文件 10318 1994-04-18 14:17 faceorl_facess11.pgm
文件 10318 1994-04-18 14:07 faceorl_facess110.pgm
文件 10318 1994-04-18 14:17 faceorl_facess12.pgm
文件 10318 1994-04-18 14:17 faceorl_facess13.pgm
文件 10318 1994-04-18 14:17 faceorl_facess14.pgm
文件 10318 1994-04-18 14:17 faceorl_facess15.pgm
文件 10318 1994-04-18 14:07 faceorl_facess16.pgm
文件 10318 1994-04-18 14:07 faceorl_facess17.pgm
文件 10318 1994-04-18 14:07 faceorl_facess18.pgm
文件 10318 1994-04-18 14:07 faceorl_facess19.pgm
目录 0 2013-07-04 08:53 faceorl_facess10
文件 10318 1994-04-18 14:18 faceorl_facess101.pgm
文件 10318 1994-04-18 14:07 faceorl_facess1010.pgm
文件 10318 1994-04-18 14:18 faceorl_facess102.pgm
文件 10318 1994-04-18 14:18 faceorl_facess103.pgm
文件 10318 1994-04-18 14:18 faceorl_facess104.pgm
文件 10318 1994-04-18 14:18 faceorl_facess105.pgm
文件 10318 1994-04-18 14:07 faceorl_facess106.pgm
文件 10318 1994-04-18 14:07 faceorl_facess107.pgm
文件 10318 1994-04-18 14:07 faceorl_facess108.pgm
............此处省略419个文件信息
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