Research Article
Patch-Based Principal Component Analysis for Face Recognition
Table 3
Comparison of two strategies on recognition accuracy and CPU time on the ORL database.
| Patch size | | | Concatenating | Reordering | Accuracy (%) | Time (s) | Accuracy (%) | Time (s) |
| | 2 | 2 | 91.0 | 8.093 | 92.0 | 8.523 | | 2 | 2 | 90.5 | 8.356 | 93.0 | 7.924 | | 2 | 0 | 90.0 | 7.702 | 93.5 | 9.060 | | 1 | 4 | 90.0 | 13.184 | 93.0 | 10.873 | | 1 | 2 | 90.0 | 7.053 | 93.0 | 8.335 |
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