Semisupervised Tangent Space Discriminant Analysis

Table 2

Mean values and standard deviations of the test error rates (%) with different label configurations on the face data sets.

Method	Yale 3	Yale 4	ORL 2	ORL 3
Baseline	46.17 ± 7.67	46.67 ± 8.65	29.94 ± 3.66	19.19 ± 3.50
PCA	40.67 ± 8.06	42.00 ± 7.29	28.06 ± 3.92	18.13 ± 3.71
LDA	32.33 ± 8.31	26.17 ± 7.74	16.56 ± 3.97	9.13 ± 3.63
SELF	50.00 ± 6.49	49.33 ± 8.28	47.88 ± 4.82	35.56 ± 3.52
SDA	32.00 ± 8.40	26.17 ± 7.67	16.13 ± 4.05	9.00 ± 3.33
STSD	31.83 ± 8.41	25.33 ± 8.54	15.69 ± 3.68	9.00 ± 3.16