Research Article

Dimension Reduction Using Samples’ Inner Structure Based Graph for Face Recognition

Table 3

Mean accuracy values of LPP and SISG-LPP on the Illumination subset of PIE database. The numbers in parentheses are the corresponding feature dimensions with the best results after dimensionality reduction.

/ / / / / / /

LPP81.88 ( )91.91 ( )95.88 ( )98.31 ( )99.17 ( )99.58 ( )99.90 ( )
SISG-LPP80.75 ( )92.98 ( )96.32 ( )98.55 ( )99.33 ( )99.62 ( )99.94 ( )