Mathematical Problems in Engineering / 2014 / Article / Tab 3

Research Article

Neighborhood Preserving Convex Nonnegative Matrix Factorization

Table 3

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

Method 5 Train 10 Train 20 Train

Baseline 43.02% 62.90% 83.19%
PCA 42.87% (199) 62.51% (195) 82.84% (200)
LDA 84.39% (67) 90.47% (67) 93.98% (67)
NPE 84.71% (166) 91.48% (200) 94.33% (200)
NMF 78.66% (200) 88.98% (200) 92.52% (200)
LNMF 76.47% (200) 87.91% (200) 92.61% (196)
CNMF 83.72% (176) 90.89% (187) 93.78% (159)
NPCNMF 88.43% (147) 94.86% (158) 98.58% (133)