Mathematical Problems in Engineering / 2014 / Article / Tab 2

Research Article

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)