Research Article

A Fuzzy Kernel Maximum Margin Criterion for Image Feature Extraction

Table 6

The average training times and the average testing times of eleven methods on four face databases: GTFD, Yale B, AR, and FERET for sample numbers per class .

ā€‰GTFDYale BARFERET
ā€‰Train (s)Test (s)Train (s)Test (s)Train (s)Test (s)Train (s)Test (s)

LPP0.39850.000380.21040.000311.57290.000773.56540.0012
TSA2.19420.00311.69200.00234.66430.00654.76040.0079
KPCA0.45310.00420.28430.00326.25570.009917.07430.0113
KLDA0.55600.00420.29900.00316.3730.009717.97930.0114
2DLDA0.07110.00070.09910.000540.19170.00160.13900.0027
LLD0.30560.000350.20640.000282.52720.0006810.00230.0011
FIFDA1.02850.000580.39200.0004410.22630.001147.39830.0016
LBMMC17.07850.00188.76140.001486.96060.0040178.03150.0055
2D-MMC0.10710.00100.16470.000790.31610.00240.26890.0037
B2D-MMC0.20240.000840.24500.000640.49890.00180.64880.0029
FKMMC0.44720.00130.25740.000985.46580.003315.40580.0040