Research Article
Welding Diagnostics by Means of Particle Swarm Optimization and Feature Selection
Table 3
Spectral bands chosen by the SFFS algorithm.
| Order | AISI-304 | Inconel-718 | Ti 6Al-4V | Band (nm) | Band (nm) | Band (nm) |
| 1 | 393.20 | 520.33 | 393.35 | 2 | 356.75 | 360.49 | 396.14 | 3 | 396.81 | 390.55 | 334.87 | 4 | 356.58 | 344.15 | 416.27 | 5 | 442.15 | 402.67 | 375.95 | 6 | 355.06 | 517.93 | 453.32 | 7 | 476.54 | 484.10 | 422.68 | 8 | 487.69 | 340.72 | 397.61 | 9 | 396.97 | 357.28 | 430.00 | 10 | 480.63 | 403.81 | 497.80 |
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