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

Table 8

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

Face database	Algorithms	G4/P9	G5/P8	G6/P7	G7/P6	G8/P5
Slight translation	Baseline (F1)	0.1409 (19800)	0.1579 (19800)	0.1733 (19800)	0.1794 (19800)	0.1923 (19800)
	LPP (F1)	0.3080 (80)	0.3444 (95)	0.3671 (110)	0.3578 (125)	0.3783 (135)
	Algorithm 1 (F1)	0.4917 (75)	0.5408 (90)	0.5910 (100)	0.6089 (110)	0.6373 (130)
Slight translation	Baseline (F2)	0.5233 (240)	0.5783 (240)	0.6133 (240)	0.6367 (240)	0.6670 (240)
	LPP (F2)	0.4876 (80)	0.5408 (85)	0.5631 (105)	0.5919 (110)	0.6343 (120)
	Algorithm 1 (F2)	0.5635 (70)	0.6060 (95)	0.6336 (105)	0.6547 (110)	0.6997 (120)