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

Table 15

The recognition rates on slight translation and rotation AR face databases over “F3” features; recognition rates (dimensionality).

Face databases	Algorithms	G4/P9	G5/P8	G6/P7	G7/P6	G8/P5
Slight translation	Baseline (F3)	0.6611 (3840)	0.7160 (3840)	0.7655 (3840)	0.7967 (3840)	0.8327 (3840)
	LPP (F3)	0.5174 (100)	0.5548 (130)	0.6033 (160)	0.6356 (135)	0.6807 (210)
	Algorithm 2 (F3)_	0.6346 (100)	0.6985 (125)	0.7493 (155)	0.7689 (150)	0.8140 (200)
	Algorithm 2 (F3)	0.7798 (100)	0.8265 (130)	0.8550 (130)	0.8717 (185)	0.8980 (210)
Slight rotation	Baseline (F3)	0.7578 (3840)	0.8254 (3840)	0.8681 (3840)	0.8933 (3840)	0.9273 (3840)
	LPP (F3)	0.6076 (105)	0.6596 (110)	0.7198 (135)	0.7583 (125)	0.8020 (205)
	Algorithm 2 (F3)_	0.7241 (105)	0.7846 (120)	0.8290 (155)	0.8633 (145)	0.8993 (170)
	Algorithm 2 (F3)	0.8441 (105)	0.8844 (125)	0.9124 (150)	0.9222 (155)	0.9433 (155)