Table 2: The results of 4-component size 2 5 × 2 5 for the new method.

Rank 1 result (%)Time (min)

ORL99.53.7
xm2vts (C1)99.116.3
xm2vts (C2)99.616.4
FERET (Fb)99.219.1
FERET (Fc)97.4
Yale97.81.7