Author/Authors :
Qian Du، نويسنده , , Chein-I Chang، نويسنده ,
Keywords :
Unsupervised OSP (UOSP) , Constrained energy minimization (CEM) , Linear constrained distance-based discriminant analysis (LCDA) , Unsupervised LDA (ULDA) , Linear discriminantanalysis (LDA) , Orthogonal subspace projection (OSP) , Unsupervised LCDA (ULCDA) , Unsupervised CEM (UCEM)