Multiple Kernel Dimensionality Reduction via Ratio-Trace and Marginal Fisher Analysis

Table 2

Classification accuracy of different DR methods.

Datasets	MKL-DR	MKL-TR	MKL-SRTR	KMFA	EMFA	MKL-MFA
Ionosphere	91.24 ± 3.67	92.43± 0.86	92.62± 0.73	90.84±1.48	93.73±1.42	95.66±1.52
Sonar	80.44± 5.46	83.26± 4.13	84.35± 2.58	82.65±2.26	87.52±2.25	90.75±2.39
USPS	90.65± 0.77	92.93± 0.43	92.82± 0.52	91.69±0.93	96.59±0.37	97.83±0.45
Isolet	93.47± 0.22	95.17± 0.11	96.76± 0.13	92.25±0.77	98.86±0.43	98.47±0.22
MNIST	90.26± 0.62	93.38± 0.82	92.54± 0.76	88.35±1.86	95.47±1.64	97.69±0.95
Yale	69.59± 5.26	72.71± 5.54	74.28± 4.64	70.89±5.25	82.76±4.97	84.89±5.32
PIE	85.38 ± 0.13	87.29± 0.19	89.92± 0.16	82.15±0.87	90.34±0.83	93.15±0.11
ORL	91.49± 1.84	91.45± 1.27	92.41± 1.07	89.19±0.52	95.26±0.93	96.19±0.89
COIL-20	92.57± 0.89	91.33± 0.35	94.96± 0.27	90.47±0.94	96.58±0.34	97.63±0.15