Discriminative, Competitive, and Collaborative Representation-Based Classification with -Norm Regularizations

Table 1

The main information about the used face databases.

Data	Total samples	Classes	Samples per class	Training samples per class
YaleB	2432	38	64	12, 18, 24, 30
Yale	165	15	11	2, 3, 4, 5
AR	1400	100	14	2, 4, 6, 8
IMM	240	40	6	2, 3, 4, 5
PIE29	1632	68	24	2, 4, 6, 8