Research Article
Patch-Based Principal Component Analysis for Face Recognition
Table 1
Comparison of the four methods on recognition accuracy on the partial FERET database.
| Method | Accuracy (%) | Patch size (pixel) | | | Time (s) | Threshold |
| 1DPCA | 79.0 | — | — | — | 1.454 | 0.99 | 2DPCA | 84.0 | — | — | — | 1.734 | 0.80 | (2D)2PCA | 83.0 | — | — | — | 2.104 | 0.90 | PPCA | 86 | | 0 | 18 | 26.658 | 0.92 |
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