Research Article
Two-Dimensional Extreme Learning Machine
Table 2
Training time and testing time (in seconds) for ELM and 2DELM, average values on fifty trails.
| Dataset | Training time | Testing time | ELM | 2DELM | ELM | 2DELM |
| Yale_32 × 32 | 0.1909 | 0.1919 | 0.0009 | 0.0022 | Yale_64 × 64 | 0.0655 | 0.0568 | 0.0053 | 0.0003 | ORL_32 × 32 | 0.1438 | 0.1304 | 0.0069 | 0.0075 | ORL_64 × 64 | 0.1460 | 0.1685 | 0.0069 | 0.0081 | UMist | 0.1987 | 0.2290 | 0.0078 | 0.0031 | GTface | 0.6146 | 0.6043 | 0.0197 | 0.0122 | PIE | 6.5056 | 6.5642 | 0.1532 | 0.1554 | Letter | 11.1809 | 11.0386 | 0.1872 | 0.1822 | Shuttle | 29.7740 | 28.0178 | 0.4824 | 0.4671 | USPS | 6.1127 | 6.1936 | 0.0699 | 0.0736 | MNIST | 42.2897 | 42.2875 | 0.3716 | 0.3719 |
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