Regularized Embedded Multiple Kernel Dimensionality Reduction for Mine Signal Processing

Table 5

Classification accuracies of different semisupervised DR methods.

Datasets	MKL-TR	MKL-DR	MKL-SRTR	MKL-EGE
Ionosphere	82.31 ± 2.82	80.36 ± 4.33	80.25 ± 3.24	81.02 ± 2.24
Sonar	61.43 ± 4.45	55.65 ± 4.87	60.75 ± 4.47	60.83 ± 3.16
USPS	83.58 ± 1.73	81.97 ± 1.25	82.74 ± 0.78	86.13 ± 0.97
Isolet	94.26 ± 0.83	91.44 ± 0.58	92.54 ± 0.65	93.05 ± 0.71
MNIST	89.68 ± 1.46	88.67 ± 1.43	90.46 ± 1.31	92.32 ± 1.24
Yale	35.43 ± 5.32	30.28 ± 4.38	32.29 ± 5.17	47.08 ± 4.15
PIE	62.69 ± 6.87	63.31 ± 5.52	64.13 ± 7.84	68.67 ± 5.65
ORL	50.13 ± 3.21	46.18 ± 5.19	51.25 ± 2.56	59.26 ± 3.34
COIL-20	71.92 ± 2.17	69.47 ± 2.34	70.31 ± 3.29	75.95 ± 2.56
20NG (comp)	75.34 ± 0.62	52.92 ± 5.30	76.74 ± 1.25	82.19 ± 0.76
20NG (rec)	92.66 ± 0.68	92.23 ± 0.40	93.37 ± 0.73	94.46 ± 0.89
20NG (sci)	91.39 ± 0.74	91.88 ± 0.42	91.95 ± 0.26	93.94 ± 0.54
20NG (talk)	82.48 ± 0.87	77.63 ± 14.21	84.06 ± 1.59	88.62 ± 0.69