Incremental Graph Regulated Nonnegative Matrix Factorization for Face Recognition

Table 2

The recognition rates (%) for the CMU-PIE database during adding 5 batches of images belonging to one class.

	Supervised methods			Unsupervised methods
	BIGNMF-S	GNMF-S	CINMF	BIGNMF-U	GNMF-U	IOPNMF	NMF
Start	85.05	85.05	82.36	83.64	83.64	50.34	79.20
Add 1	84.92	83.48	82.8	83.47	82.25	50.33	78.16
Add 2	84.79	83.77	82.66	83.3	83.02	50.66	78.54
Add 3	84.6	84.24	82.7	83.17	82.36	50.54	78.8
Add 4	84.62	84.5	82.8	83.13	82.46	50.75	78.88
Add 5	84.1	83.58	82.5	82.17	82.62	50.63	78.98