2DPCA\experiment\orl\TPCA3.mat .....\..........\...\TPCA5.mat .....\orl.m .....\orl_mean3.m .....\orl_mean4.m .....\orl_mean5.m .....\reconstruction.asv .....\reconstruction.m .....\TPCA.m .....\yale.m .....\yale_mean.m .....\experiment\orl .....\..........\yale .....\experiment 2DPCA