A Smoothed Matrix Multivariate Elliptical Distribution-Based Projection Method for Feature Extraction

Table 1

Average recognition rate (%) and standard deviation of different methods on ORL.

Methods	l = 5	l = 6	l = 7	l = 8
PCA	0.7466 ± 0.03254	0.7886 ± 0.02666	0.8245 ± 0.02511	0.8593 ± 0.03828
LPP	0.7455 ± 0.02937	0.7876 ± 0.03026	0.8233 ± 0.02761	0.8563 ± 0.03456
SPP	0.7265 ± 0.03429	0.7806 ± 0.03386	0.8315 ± 0.03525	0.8643 ± 0.03805
CRP	0.8230 ± 0.02229	0.8658 ± 0.02426	0.8950 ± 0.02630	0.9140 ± 0.02797
NMRP	0.8185 ± 0.02423	0.8595 ± 0.02735	0.8975 ± 0.02860	0.9170 ± 0.02597
SMEDP	0.8427 ± 0.02548	0.8776 ± 0.02273	0.9073 ± 0.02671	0.9253 ± 0.02521