Multiple Kernel Spectral Regression for Dimensionality Reduction

Table 4

Recognition accuracy rates on Extended Yale B (mean ± std-dev%).

The number of labeled samples	Baseline	KPCA	Semi-supervised KSR	Semisupervised MKL-SR
𝑙=95	50.8±2.3	57.4±2.0	61.5±1.7	73.2±1.5
𝑙=190	69.3±1.4	73.7±1.4	76.3±1.3	80.4±0.9
𝑙=380	83.2±0.6	85.8±0.7	89.7±0.3	92.6±0.3
𝑙=570	90.1±0.3	92.5±0.3	95.7±0.2	96.3±0.2
𝑙=760	91.6±0.2	95.4±0.3	97.2±0.2	97.9±0.2