Research Article
A Folded Concave Penalty Regularized Subspace Clustering Method to Integrate Affinity and Clustering
Table 1
Performance on Extended Yale B.
| Methods | SSC | LRR | LRSC | KSSC | SSC-OMP | EDSC | S3C | SSRSC | TLRR | KTRR | Our method |
| CA (%) | | | | | | | | | | | | | | | 79.3 | 77.8 | 71.2 | 78.2 | 79.2 | 81.3 | 80.5 | 77.4 | 71.3 | 81.8 | | 82.5 | | 82.7 | 80.4 | 74.8 | 80.8 | 81.2 | 83.6 | 82.9 | 78.6 | 73.2 | 83.8 | | 84.2 | | 85.7 | 84.7 | 78.2 | 84.5 | 85.9 | 86.3 | 85.4 | 81.3 | 76.8 | 87.0 | | 87.8 |
| | | | | | | | | | | | | | | 76.9 | 66.5 | 61.2 | 72.8 | 74.6 | 79.0 | 78.5 | 75.0 | 69.7 | 79.5 | | 80.2 | | 78.3 | 67.9 | 63.3 | 75.3 | 75.4 | 81.8 | 80.6 | 76.1 | 71.3 | 81.4 | | 82.3 | | 82.4 | 70.3 | 65.1 | 77.4 | 80.7 | 84.7 | 73.4 | 79.6 | 74.3 | 84.5 | | 84.9 |
| NMI | | | | | | | | | | | | | | | 0.3998 | 0.5351 | 0.4195 | 0.3749 | 0.4034 | 0.5845 | 0.5290 | 0.4671 | 0.4023 | 0.6018 | | 0.6122 | | 0.4272 | 0.5543 | 0.4433 | 0.4034 | 0.4213 | 0.6229 | 0.5439 | 0.4734 | 0.4194 | 0.6326 | | 0.6433 | | 0.4483 | 0.5834 | 0.4584 | 0.4323 | 0.4549 | 0.6434 | 0.5745 | 0.5032 | 0.4483 | 0.6693 | | 0.6853 |
| | | | | | | | | | | | | | | 0.4837 | 0.5511 | 0.5533 | 0.4783 | 0.4855 | 0.5584 | 0.5531 | 0.5321 | 0.4199 | 0.6242 | | 0.6329 | | 0.5048 | 0.5738 | 0.5754 | 0.4893 | 0.5034 | 0.5745 | 0.5633 | 0.5583 | 0.4284 | 0.6383 | | 0.6508 | | 0.5438 | 0.6182 | 0.6137 | 0.5032 | 0.5138 | 0.6056 | 0.5844 | 0.5822 | 0.4409 | 0.6594 | | 0.6683 |
| Purity | | | | | | | | | | | | | | | 0.5491 | 0.6582 | 0.5667 | 0.5286 | 0.5543 | 0.6683 | 0.6382 | 0.6182 | 0.5469 | 0.6970 | | 0.7094 | | 0.5438 | 0.6643 | 0.5985 | 0.5454 | 0.5567 | 0.6782 | 0.6433 | 0.6283 | 0.5589 | 0.7093 | | 0.7233 | | 0.5582 | 0.6802 | 0.6087 | 0.5563 | 0.5758 | 0.6963 | 0.6646 | 0.6504 | 0.5761 | 0.7276 | | 0.7586 |
| | | | | | | | | | | | | | | 0.5191 | 0.5818 | 0.4693 | 0.5084 | 0.5208 | 0.6087 | 0.5582 | 0.5591 | 0.4413 | 0.6536 | | 0.6676 | | 0.5263 | 0.6062 | 0.4876 | 0.5294 | 0.5389 | 0.6128 | 0.5723 | 0.5590 | 0.4592 | 0.6685 | | 0.6698 | | 0.5376 | 0.6265 | 0.5083 | 0.5509 | 0.5518 | 0.6385 | 0.5868 | 0.5634 | 0.4703 | 0.6856 | | 0.6865 |
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