Research Article

Graph Regularized Nonnegative Matrix Factorization with Sparse Coding

Table 1

Optimal average recognition rates ±   on ORL database with different number of training samples of each person (dimensions = 50).

Method

NMF72.8% ± 2.0%78.8% ± 1.5%82.6% ± 2.0%85.0% ± 3.5%88.0% ± 3.5%
LNMF61.4% ± 8.0%65.4% ± 6.0%67.5% ± 4.0%71.3% ± 3.9%74.2% ± 4.0%
SNMF73.6% ± 1.0%79.3% ± 1.0%82.8% ± 2.0%85.3% ± 2.0%89.0% ± 1.5%
GNMF73.9% ± 1.0%80.9% ± 1.0%83.8% ± 2.0%86.2% ± 1.0%89.5% ± 1.0%
FMD-NMF 72.5% ± 1.0%82.1% ± 2.0%87.0% ± 1.0%88.5% ± 1.5%92.0% ± 2.0%
S-GRNMF_SC73.2% ± 2.0%83.3% ± 3.0%89.0% ± 2.0%90.4% ± 1.0%92.5% ± 2.0%