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

Table 5

The recognition rates on barrel 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
Barrel distortion	Baseline (F1)	0.1478 (19800)	0.1629 (19800)	0.1750 (19800)	0.1794 (19800)	0.1940 (19800)
	LPP (F1)	0.2654 (75)	0.3006 (95)	0.3255 (115)	0.3319 (125)	0.3447 (135)
	Algorithm 1 (F1)	0.4185 (65)	0.4792 (80)	0.5205 (110)	0.5597 (120)	0.5690 (130)
Barrel distortion	Baseline (F2)	0.4974 (240)	0.5554 (240)	0.5921 (240)	0.6081 (240)	0.6400 (240)
	LPP (F2)	0.4706 (80)	0.5302 (85)	0.5555 (105)	0.5828 (115)	0.6093 (120)
	Algorithm 1 (F2)	0.5117 (75)	0.5723 (90)	0.5940 (105)	0.6175 (115)	0.6597 (120)