Table 7 Comparative study between fitness value, thresholds, and PSNR for high-contrast image (Camera man) for different optimization techniques.
From: GAAOA-Lévy: a hybrid metaheuristic for optimized multilevel thresholding in image segmentation
Image | Fitness value | Thresholds | PSNR | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
K = 2 | K = 3 | K = 4 | K = 5 | K = 2 | K = 3 | K = 4 | K = 5 | K = 2 | K = 3 | K = 4 | K = 5 | |
GAAOA | 10.3e+3 | 9.63+3 | 9.7e+3 | 9.6e+3 | 79.11 | 71.12 | 65.11 | 31.23 | 19.78 | 21.27 | 23.76 | 24.12 |
EMO Lévy | 9.2e+3 | 9.4e+3 | 9.4e+3 | 9.4e+3 | 77.2 | 68.17 | 60.21 | 28.71 | 18.93 | 19.62 | 22.38 | 22.79 |
EMO | 9.2e+3 | 9.3e+3 | 9.4e+03 | 9.4e+3 | 78.2 | 68.17 | 42.11 | 39.10 | 13.95 | 19.57 | 21.37 | 22.04 |
CS | 8.6e+3 | 8.76e+3 | 8.7e+3 | 8.7e+3 | 73.2 | 66.16 | 41.11 | 37.93 | 12.86 | 19.21 | 20.82 | 22.43 |
SCA | 8.61e+3 | 8.72e+3 | 8.69e+3 | 8.66e+3 | 73.11 | 65.97 | 40.91 | 36.67 | 12.78 | 18.81 | 20.77 | 21.98 |
MFO | 8.43e+3 | 8.71e+ | 8.67e+3 | 8.62e+3 | 72.29 | 65.45 | 40.12 | 36.44 | 12.71 | 18.76 | 20.71 | 21.82 |
WOA | 8.44e+3 | 8.701e+ | 8.63e+3 | 8.61e+3 | 72.16 | 65.34 | 39.23 | 36.21 | 12.65 | 18.21 | 20.13 | 21.65 |
