Discriminant Projective Non-Negative Matrix Factorization
Figure 9
Objective value versus the iterative number on four datasets.
Objective value versus the iterative number when (A) 8 images of each individual from Yale datasets, (B) 8 images of each individual from ORL datasets, (C) 10 images of each individual from UMIST datasets, and (D) 5 images of each individual from FERET datasets.