Incremental Nonnegative Matrix Factorization for Face Recognition

Table 5

Accuracy comparisons on CMU PIE database.

Training number	PCA	NMF	BNMF	INMF
7	23.94%	66.21%	68.58%	68.91%
14	26.24%	69.82%	73.79%	74.07%
21	27.15%	71.33%	75.93%	76.55%
28	27.51%	71.77%	76.64%	77.18%