Multiple Kernel Spectral Regression for Dimensionality Reduction

Table 3

Recognition accuracy rates on PIE (mean ± std-dev%).

Train size	Baseline	KPCA	LDA	SR	KSR	MKL-SR
5×68	68.0±1.7	40.2±0.3	58.2±1.5	71.9±1.4	72.4±0.7	79.2±0.8
10×68	83.2±0.7	51.3±0.3	70.3±1.3	85.0±1.3	87.2±0.4	90.2±0.5
20×68	91.1±0.6	68.7±0.3	79.5±0.8	92.3±0.7	94.0±0.3	95.7±0.3
30×68	93.4±0.6	70.2±0.4	89.1±0.5	93.4±0.7	95.9±0.2	96.4±0.3
40×68	94.6±0.6	82.3±0.4	91.8±0.4	94.8±0.4	96.6±0.2	97.9±0.2