Incremental Graph Regulated Nonnegative Matrix Factorization for Face Recognition

Table 1

The recognition rates (%) for the FERET 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	70.77	70.77	67.18	68.72	68.72	61.67	62.41
Add 1	70.28	69.47	66.84	68.37	65.5	61.52	61.12
Add 2	69.86	69.04	67.89	67.89	66.24	61.42	60.58
Add 3	69.44	70.54	67.3	67.3	67	61.4	61.89
Add 4	69.22	69.1	67.09	67	69	61.58	61.98
Add 5	70.28	69.47	66.84	68.37	65.5	61.52	61.12