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Table 4
The average AUC values of different detection methods under different dimensionality reduction methods.
| Dimensionality reduction method | 2S-GLRT | ACE | HUD | SMF | RGAE | Auto-AD | Average |
|---|---|---|---|---|---|---|---|
| PCA | 0.5958 | 0.8931 | 0.7723 | 0.9095 | 0.8544 | 0.8565 | 0.8136 |
| MNF | 0.6898 | 0.8734 | 0.7945 | 0.8988 | 0.8647 | 0.8301 | 0.8252 |
| SuperULDA | 0.6824 | 0.8694 | 0.8712 | 0.8774 | 0.6625 | 0.8141 | 0.7962 |
| LRCRP | 0.6840 | 0.9052 | 0.9112 | 0.9690 | 0.9284 | 0.6840 | 0.8470 |
| SuperPCA | 0.6358 | 0.7438 | 0.6978 | 0.7607 | 0.8015 | 0.6812 | 0.7201 |
| DGAE | 0.3690 | 0.7384 | 0.7404 | 0.7130 | 0.5394 | 0.6000 | 0.6167 |
| Proposed method | 0.6931 | 0.9087 | 0.8749 | 0.9709 | 0.9525 | 0.7615 | 0.8603 |
Note: The optimal values are bolded.
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