Research Article

Semisupervised Tangent Space Discriminant Analysis

Table 5

Mean values and standard deviations of the unlabeled error rates (%) with medium-sized labeled data on different data sets.

Method BCWD 30 CMSC 30 CTG 160 Yale 3 ORL 2

SDA 6.88 ± 2.53 9.60 ± 2.27 41.97 ± 2.72 32.39 ± 5.98 20.81 ± 2.76
STSD 6.96 ± 2.45 9.40 ± 2.30 43.47 ± 2.83 32.56 ± 6.67 16.48 ± 2.14
STSLap 7.07 ± 2.46 9.60 ± 2.24 41.57 ± 2.66 33.39 ± 7.01 16.42 ± 2.07