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

Table 7

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

Face database	Algorithms	G4/P9	G5/P8	G6/P7	G7/P6	G8/P5
Pincushion; distortion	Baseline (F1)	0.1265 (19800)	0.1444 (19800)	0.1579 (19800)	0.1664 (19800)	0.1800 (19800)
	LPP (F1)	0.2702 (75)	0.2913 (95)	0.3169 (105)	0.3308 (125)	0.3413 (140)
	Algorithm 1 (F1)	0.3974 (75)	0.4610 (95)	0.5071 (95)	0.5286 (125)	0.5573 (115)
Pincushion distortion	Baseline (F2)	0.4796 (240)	0.5410 (240)	0.5781 (240)	0.6000 (240)	0.6290 (240)
	LPP (F2)	0.4383 (80)	0.4858 (95)	0.5148 (105)	0.5339 (110)	0.5763 (115)
	Algorithm 1 (F2)	0.4717 (80)	0.5200 (95)	0.5481 (105)	0.5781 (95)	0.6203 (110)