Research Article

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

Table 1

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

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LPP55.53 ( )59.41 ( )76.42 ( )82.70 ( )85.63 ( )88.13 ( )90.40 ( )
SISG-LPP65.88 ( )75.10 ( )79.88 ( )83.87 ( )85.99 ( )89.70 ( )91.73 ( )