An Improved EMD-Based Dissimilarity Metric for Unsupervised Linear Subspace Learning

Table 3

The recognition rates on subAR face database over “F1” and “F2” features; recognition rates (dimensionality).

Algorithms	G4/P9	G5/P8	G6/P7	G7/P6	G8/P5
Baseline (F1)	0.2213 (19800)	0.2479 (19800)	0.2671 (19800)	0.2806 (19800)	0.2867 (19800)
LPP (F1)	0.4341 (75)	0.4798 (90)	0.5302 (110)	0.5344 (120)	0.5527 (135)
Algorithm 1 (F1)_nonpooled	0.5402 (75)	0.6171 (95)	0.6767 (110)	0.7069 (70)	0.7360 (110)
Algorithm 1 (F1)	0.6228 (75)	0.7085 (85)	0.7583 (100)	0.7842 (105)	0.8077 (105)
Baseline (F2)	0.7087 (240)	0.7735 (240)	0.8267 (240)	0.8439 (240)	0.8787 (240)
LPP (F2)	0.6737 (75)	0.7423 (95)	0.7860 (105)	0.825 (110)	0.8663 (120)
Algorithm 1 (F2)_nonpooled	0.6530 (80)	0.7277 (95)	0.7800 (105)	0.8078 (90)	0.8480 (110)
Algorithm 1 (F2)	0.7263 (80)	0.7798 (80)	0.8229 (100)	0.8558 (105)	0.8987 (120)