Research Article

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

Table 2

Recognition rates (%) and versus subspace dimension of different methods on CMU PIE with l = 7, 9.

Methodsl = 7l = 9
d = 306090120150d = 306090120150

PCA0.21800.26470.26730.28290.28460.31270.37550.41370.42750.4324
LPP0.22660.26040.27680.27850.28980.29710.39120.42650.44220.4637
SPP0.12540.18770.25690.33650.35380.36180.50780.65590.75390.8265
CRP0.28200.38670.46020.53980.61510.45980.60130.71270.77450.8216
NMRP0.21970.31750.43940.53110.60730.45980.60780.73630.80200.8510
SMEDP0.29670.38240.48100.56310.63240.47590.62940.73690.81220.8571