稀疏表示分类算法SRC在ORL人脸库上的应用

稀疏表示分类算法在ORL人脸库上的应用，参考文章： Wright J, Yang A Y, Ganesh A, et al. Robust face recognition via sparse representation[J]. Pattern Analysis and Machine Intelligence, IEEE Transactions on, 2009, 31(2): 210-227。

function [accuracyxpr]=computaccuracy（trainsampleclassnumtrain_labeltestsampletest_label）
test_tol=size（testsample2）;
train_tol=size（trainsample2）;
pre_label=zeros（1test_tol）;
h = waitbar（0‘Please wait...‘）;
for i=1:test_tol
    xp = SolveHomotopy_CBM_std（trainsample testsample（:i）‘lambda‘ 0.01）;
    for j=1:classnum
        mmu=zeros（train_tol1）;
        ind=（j==train_label）;
        mmu（ind）=xp（ind）;
        r（j）=norm（testsample（:i）-trainsample*mmu）;
    end
    [tempindex]=min（r）;
    pre_label（i）=index;
    % computations take place here
    per = i / test_tol;
    waitbar（per h sprintf（‘%2.0f%%‘per*100））
end
close（h）
accuracy=sum（pre_label==test_label）/test_tol;

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     文件         715  2014-08-31 09:56  computaccuracy.m
     文件        5607  2012-05-07 16:51  l1eq_pd.m
     文件        1103  2014-08-31 09:59  main.m
     文件        1031  2014-08-03 10:02  my_pca.m
     文件         961  2014-05-27 20:30  pca.m
     文件         661  2014-08-31 09:50  readsample.m
     文件       14162  2014-05-26 13:25  SolveHomotopy_CBM_std.m
     文件       11382  2011-12-26 18:43  ORL\s10_1.bmp
     文件       11382  2011-12-26 18:43  ORL\s10_10.bmp
     文件       11382  2011-12-26 18:43  ORL\s10_2.bmp
     文件       11382  2011-12-26 18:43  ORL\s10_3.bmp
     文件       11382  2011-12-26 18:43  ORL\s10_4.bmp
     文件       11382  2011-12-26 18:43  ORL\s10_5.bmp
     文件       11382  2011-12-26 18:43  ORL\s10_6.bmp
     文件       11382  2011-12-26 18:43  ORL\s10_7.bmp
     文件       11382  2011-12-26 18:43  ORL\s10_8.bmp
     文件       11382  2011-12-26 18:43  ORL\s10_9.bmp
     文件       11382  2011-12-26 18:43  ORL\s11_1.bmp
     文件       11382  2011-12-26 18:43  ORL\s11_10.bmp
     文件       11382  2011-12-26 18:43  ORL\s11_2.bmp
     文件       11382  2011-12-26 18:43  ORL\s11_3.bmp
     文件       11382  2011-12-26 18:43  ORL\s11_4.bmp
     文件       11382  2011-12-26 18:43  ORL\s11_5.bmp
     文件       11382  2011-12-26 18:43  ORL\s11_6.bmp
     文件       11382  2011-12-26 18:43  ORL\s11_7.bmp
     文件       11382  2011-12-26 18:43  ORL\s11_8.bmp
     文件       11382  2011-12-26 18:43  ORL\s11_9.bmp
     文件       11382  2011-12-26 18:43  ORL\s12_1.bmp
     文件       11382  2011-12-26 18:43  ORL\s12_10.bmp
     文件       11382  2011-12-26 18:43  ORL\s12_2.bmp
     文件       11382  2011-12-26 18:43  ORL\s12_3.bmp
............此处省略378个文件信息