Research Article
Low-Rank Kernel-Based Semisupervised Discriminant Analysis
Table 2
Classification accuracy of different graphs on ORL, Yale, and USPS databases.
| Database
| Algorithm | The percentage of labeled samples | 10% | 20% | 30% | 40% | 50% |
| Yale B | LRKSDA | 0.711471 | 0.792667 | 0.825769 | 0.848636 | 0.877778 | Yale B | KSDA1 | 0.316113 | 0.536868 | 0.691392 | 0.807183 | 0.856101 | Yale B | KSDA2 | 0.33994 | 0.569484 | 0.723549 | 0.819317 | 0.877637 | Yale B | SDA | 0.325919 | 0.560259 | 0.668397 | 0.815348 | 0.855167 | ORL | LRKSDA | 0.615556 | 0.728125 | 0.815 | 0.873333 | 0.9 | ORL | KSDA1 | 0.172412 | 0.448653 | 0.693167 | 0.868578 | 0.937414 | ORL | KSDA2 | 0.172454 | 0.454899 | 0.681576 | 0.851755 | 0.930487 | ORL | SDA | 0.173478 | 0.442731 | 0.687692 | 0.877294 | 0.948035 | PIE | LRKSDA | 0.29 | 0.46 | 0.578243 | 0.701044 | 0.82734 | PIE | KSDA1 | 0.195252 | 0.371027 | 0.541478 | 0.711166 | 0.827522 | PIE | KSDA2 | 0.195345 | 0.37646 | 0.543015 | 0.712033 | 0.825519 | PIE | SDA | 0.195707 | 0.387806 | 0.527715 | 0.725264 | 0.82658 |
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