Main
Datasets

	RecogRate	ErrorRate	RelativeError	Timings(sec)
MultiPIE	Link	Link	Link	Link
Caltech_101	Link	Link	Link	Selected
Sampled_MNIST	Link	Link	Link	Link

LDA

	Global	Class	Train	Test	Line
Offline	0.1 ± 0.1	0.3 ± 0.0	Impractical	N/A	N/A
Online	-	-	208.1 ± 12.9	10.9 ± 0.9	Impractical
Interp	-	-	0.6 ± 0.1	1.4 ± 0.1	31.1 ± 3.1

Metric Learning

	Global	Class	Train	Test	Line
Offline	0.1 ± 0.0	0.3 ± 0.0	Impractical	N/A	N/A
Online	-	-	Impractical	256.7 ± 16.3	Impractical
Interp	-	-	0.8 ± 0.2	1.7 ± 0.1	39.9 ± 6.8

Hybrid (Global LDA + Local Metric)

	Global	Class	Train	Test	Line
Offline	0.1 ± 0.0	0.3 ± 0.0	Impractical	N/A	N/A
Online	-	-	223.7 ± 29.0	11.3 ± 1.3	Impractical
Interp	-	-	0.7 ± 0.0	1.6 ± 0.1	40.3 ± 6.9