Low-Rank Kernel-Based Semisupervised Discriminant Analysis

Table 2

Classification accuracy of different graphs on ORL, Yale, and USPS databases.

Database	Algorithm	The percentage of labeled samples
		10%	20%	30%	40%	50%
Yale B	LRKSDA	0.711471	0.792667	0.825769	0.848636	0.877778
Yale B	KSDA1	0.316113	0.536868	0.691392	0.807183	0.856101
Yale B	KSDA2	0.33994	0.569484	0.723549	0.819317	0.877637
Yale B	SDA	0.325919	0.560259	0.668397	0.815348	0.855167
ORL	LRKSDA	0.615556	0.728125	0.815	0.873333	0.9
ORL	KSDA1	0.172412	0.448653	0.693167	0.868578	0.937414
ORL	KSDA2	0.172454	0.454899	0.681576	0.851755	0.930487
ORL	SDA	0.173478	0.442731	0.687692	0.877294	0.948035
PIE	LRKSDA	0.29	0.46	0.578243	0.701044	0.82734
PIE	KSDA1	0.195252	0.371027	0.541478	0.711166	0.827522
PIE	KSDA2	0.195345	0.37646	0.543015	0.712033	0.825519
PIE	SDA	0.195707	0.387806	0.527715	0.725264	0.82658