Neighborhood Preserving Convex Nonnegative Matrix Factorization

Table 2

Face recognition accuracy on the Yale data set. The number in brackets is the corresponding projection dimensionality.

Method	2 Train	3 Train	4 Train
Baseline	46.04%	49.96%	55.62%
PCA	46.04% (29)	49.96% (44)	55.62% (58)
LDA	42.81% (11)	60.33% (14)	68.10% (13)
NPE	48.19% (13)	62.00% (19)	69.00% (73)
NMF	44.11% (112)	49.00% (195)	52.19% (164)
LNMF	44.00% (157)	48.84% (198)	53.57% (197)
CNMF	49.72% (125)	59.50% (168)	65.77% (129)
NPCNMF	63.45% (124)	71.83% (148)	81.38% (153)