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 | | | | | |
| NMF | 72.8% ± 2.0% | 78.8% ± 1.5% | 82.6% ± 2.0% | 85.0% ± 3.5% | 88.0% ± 3.5% | LNMF | 61.4% ± 8.0% | 65.4% ± 6.0% | 67.5% ± 4.0% | 71.3% ± 3.9% | 74.2% ± 4.0% | SNMF | 73.6% ± 1.0% | 79.3% ± 1.0% | 82.8% ± 2.0% | 85.3% ± 2.0% | 89.0% ± 1.5% | GNMF | 73.9% ± 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_SC | 73.2% ± 2.0% | 83.3% ± 3.0% | 89.0% ± 2.0% | 90.4% ± 1.0% | 92.5% ± 2.0% |
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