Research Article

Graph Regularized Nonnegative Matrix Factorization with Sparse Coding

Table 6

Optimal average recognition rates ±   on occluded ORL database with different size of sheltering patch (dimensions = 50).

Method

NMF80.5% ± 2.0%74.7% ± 1.5%69.5% ± 2.0%62.3% ± 1.0%
LNMF59.5% ± 5.0%55.7% ± 4.0%51.7% ± 4.0%45.6% ± 3.0%
SNMF81.8% ± 1.5%78.2% ± 2.0%72.5% ± 2.0%66.3% ± 2.0%
GNMF82.5% ± 1.0%79.3% ± 2.0%73.3% ± 2.0%68.0% ± 2.0%
FMD-NMF83.2% ± 2.0%80.5% ± 2.5%74.0% ± 1.5%68.5% ± 2.0%
S-GRNMF_SC85.5% ± 1.0%83.5% ± 2.0%77.5% ± 2.0%73.2% ± 2.0%