Research Article
Similarity Measure Learning in Closed-Form Solution for Image Classification
Table 4
Classification performance comparison on the MNIST database.
| Method | 50 Train | 100 Train | 150 Train | 200 Train | 250 Train | 300 Train | Error | d | Error | d | Error | d | Error | d | Error | d | Error | d |
| PCA | | 499 | | 517 | | 561 | | 578 | | 603 | | 610 | RS-2DPCA | | 18 | | 18 | | 18 | | 18 | | 18 | | 18 | LDA | | 9 | | 9 | | 9 | | 9 | | 9 | | 9 | LPP | | 56 | | 51 | | 43 | | 58 | | 69 | | 73 | MFA | | 114 | | 108 | | 121 | | 98 | | 105 | | 94 | CDA | | 49 | | 63 | | 70 | | 62 | | 54 | | 68 | CEA | | 31 | | 52 | | 62 | | 60 | | 83 | | 76 | ISM-GE | | 92 | | 91 | | 87 | | 94 | | 90 | | 91 | MSE | | 83 | | 85 | | 82 | | 87 | | 84 | | 83 | CSML | 9.4 ± 0.31 | 62 | 5.3 ± 0.26 | 79 | 3.6 ± 0.18 | 85 | 1.9 ± 0.16 | 83 | 1.3 ± 0.18 | 83 | 1.2 ± 0.13 | 89 | KCSML | 8.7 ± 0.36 | 74 | 4.7 ± 0.34 | 82 | 2.4 ± 0.16 | 85 | 2.2 ± 0.17 | 89 | 1.5 ± 0.12 | 93 | 1.1 ± 0.16 | 90 |
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