Table 9.
The number of evaluations for all test images and all threshold values for Otsu's method.
| Alg. | Trsh. 2 | Trsh. 3 | Trsh. 4 | Trsh. 5 | Total | 
|---|---|---|---|---|---|
| PSO | 56 | 85 | 665 | 25206 | 3326 | 
| DE | 95 | 294 | 1164 | 4245 | 5798 | 
| CS | 1323 | 2322 | 3669 | 5665 | 12979 | 
| FA | 72 | 171 | 230 | 889 | 1362 | 
| BA | 10 | 40 | 196 | 2110 | 2356 | 
| IBA | 53 | 99 | 158 | 249 | 559 |