Research Article

Improved Bat Algorithm Applied to Multilevel Image Thresholding

Table 8

The number of evaluations for all test images and all threshold values for Kapur’s method.

Alg. Trsh. 2 Trsh. 3 Trsh. 4 Trsh. 5 Total

PSO 1214 411 3130 5439 10194
DE 96 186 1456 3356 5094
CS 1004 2183 3112 4891 11189
FA 70 176 347 932 1525
BA 876 1193 2784 3777 8631
IBA 74 116 192 352 734