Table 2.

Properties of the datasets.

	Handwritten	Caltech7	Isolet	Relathe
Data dimensionalities of all views	240, 76, 216, 47, 64	48, 40, 254, 1984, 912, 528	200, 200, 217	1400, 1400, 1522
Training samples/class	120	20	40	400
Validation samples/class	40	5	20	200
Number of classes	10	7	26	2