Table 3.
The PSNR values obtained by each algorithm on different threshold levels
| ID | Algorithm | Threshold level (n) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2-n | 3-n | 4-n | 5-n | 10-n | 20-n | 40-n | 60-n | 80-n | 100-n | ||
| 61060 | IWOA | 16.2867 | 16.7692 | 18.7869 | 20.2126 | 25.5552 | 31.5556 | 37.6849 | 41.4087 | 43.9277 | 45.7956 |
| IMPA (Abdel-Basset et al. 2020) | 16.2867 | 16.6497 | 18.7869 | 20.6893 | 25.5117 | 30.9022 | 35.6584 | 38.2204 | 40.3062 | 42.026 | |
| FFA (Erdmann et al. 2015) | 16.2867 | 16.5289 | 18.7641 | 20.1954 | 25.1383 | 29.8495 | 32.9637 | 35.2004 | 37.0466 | 38.3628 | |
| SCA (Mirjalili 2016) | 16.2624 | 16.5125 | 18.528 | 20.6307 | 25.1069 | 29.8977 | 35.0462 | 37.6503 | 39.7634 | 41.5877 | |
| FPA(Yang 2012) | 16.2855 | 16.4567 | 18.5627 | 20.5322 | 24.7915 | 29.0752 | 34.3168 | 36.9882 | 39.1574 | 41.2035 | |
| L-SHADE(Brest et al. 2016) | 15.7974 | 16.1315 | 18.1156 | 19.4022 | 23.7514 | 28.5646 | 33.5875 | 35.8807 | 38.6393 | 40.8016 | |
| SSA (Wang et al. 2020) | 16.2867 | 16.617 | 18.7624 | 20.3786 | 24.5493 | 29.4472 | 32.431 | 35.6409 | 37.4665 | 38.9306 | |
| EO(Abdel-Basset et al. 2021) | 16.2867 | 16.7095 | 18.7869 | 20.2083 | 25.0504 | 29.7666 | 33.1060 | 35.3548 | 37.1199 | 38.9897 | |
| CSA(Moses et al. 2019) | 16.2795 | 16.4914 | 18.7005 | 20.6590 | 25.0777 | 29.7559 | 34.2771 | 37.0703 | 39.5528 | 41.3172 | |
| 105053 | IWOA | 8.1763 | 17.4895 | 17.7293 | 20.7808 | 26.6813 | 32.7199 | 39.1301 | 42.3156 | 44.6779 | 46.881 |
| IMPA(Abdel-Basset et al. 2020) | 8.1763 | 17.4895 | 17.4435 | 21.0702 | 26.2227 | 33.191 | 39.2632 | 41.6234 | 43.8625 | 45.9313 | |
| FFA (Erdmann et al. 2015) | 8.1763 | 17.4753 | 17.6355 | 21.3868 | 27.0934 | 32.8384 | 37.7095 | 40.9477 | 42.5877 | 44.4127 | |
| SCA (Mirjalili 2016) | 8.1633 | 17.3352 | 17.341 | 21.4962 | 25.5527 | 30.0635 | 35.0526 | 38.3385 | 40.5995 | 42.028 | |
| FPA(Yang 2012) | 8.174 | 17.3413 | 17.3105 | 21.3455 | 25.6217 | 30.1868 | 35.4511 | 38.3075 | 40.0721 | 42.6076 | |
| L-SHADE(Brest et al. 2016) | 9.6425 | 16.1628 | 17.5898 | 19.2213 | 23.7277 | 28.802 | 34.3476 | 37.5381 | 39.6678 | 42.1126 | |
| SSA (Wang et al. 2020) | 8.1763 | 17.4679 | 17.407 | 20.94 | 27.0642 | 32.8371 | 37.7193 | 40.7466 | 43.158 | 44.9611 | |
| EO(Abdel-Basset et al. 2021) | 9.4004 | 17.4895 | 18.1580 | 21.7813 | 26.6968 | 33.3049 | 39.5285 | 42.8861 | 45.2782 | 46.3812 | |
| CSA(Moses et al. 2019) | 8.1695 | 17.3392 | 17.2921 | 21.5001 | 25.8554 | 30.9389 | 35.9129 | 39.2477 | 41.1463 | 43.2806 | |
| 181079 | IWOA | 10.9408 | 13.5952 | 18.6509 | 19.7918 | 26.1093 | 31.742 | 37.8592 | 41.5339 | 43.7337 | 45.9791 |
| IMPA(Abdel-Basset et al. 2020) | 10.9408 | 13.5952 | 18.6295 | 19.8006 | 26.1567 | 31.7284 | 37.4946 | 39.9403 | 41.6452 | 42.9932 | |
| FFA (Erdmann et al. 2015) | 10.9408 | 13.5956 | 18.7702 | 19.8336 | 26.0867 | 30.7462 | 34.7174 | 36.4639 | 39.3715 | 40.7335 | |
| SCA (Mirjalili 2016) | 10.9647 | 13.6067 | 18.5867 | 19.6452 | 25.1353 | 29.5348 | 34.453 | 37.5382 | 39.8938 | 41.1671 | |
| FPA(Yang 2012) | 10.9408 | 13.5314 | 18.6755 | 19.7329 | 24.7949 | 29.4295 | 34.3434 | 37.1452 | 39.9103 | 41.5033 | |
| L-SHADE(Brest et al. 2016) | 11.3971 | 15.075 | 17.0602 | 19.0854 | 23.5204 | 28.6653 | 34.0922 | 36.5777 | 39.0134 | 41.2603 | |
| SSA (Wang et al. 2020) | 10.9408 | 13.596 | 18.7222 | 19.8396 | 26.1203 | 30.9164 | 34.8317 | 37.5808 | 38.8031 | 40.7615 | |
| EO(Abdel-Basset et al. 2021) | 10.9408 | 13.8211 | 18.7563 | 19.8096 | 26.0668 | 31.5504 | 36.1967 | 38.7301 | 40.5557 | 41.9747 | |
| CSA(Moses et al. 2019) | 10.9489 | 13.6335 | 18.6553 | 19.7121 | 25.3675 | 29.9050 | 35.0332 | 38.2055 | 39.8197 | 41.8183 | |
| 232038 | IWOA | 13.0048 | 15.1266 | 18.1124 | 19.8585 | 24.2759 | 31.987 | 38.0154 | 41.3027 | 43.691 | 45.7513 |
| IMPA(Abdel-Basset et al. 2020) | 13.0048 | 15.1266 | 18.8365 | 19.7179 | 24.4223 | 31.7808 | 37.5034 | 40.6755 | 42.4778 | 44.4932 | |
| FFA (Erdmann et al. 2015) | 13.0048 | 15.1302 | 18.9594 | 20.0016 | 25.0449 | 31.0259 | 35.9598 | 38.979 | 41.2838 | 43.1382 | |
| SCA (Mirjalili 2016) | 12.9986 | 15.1485 | 19.0294 | 19.7184 | 23.7883 | 29.3839 | 34.9091 | 37.2016 | 39.8539 | 41.5944 | |
| FPA(Yang 2012) | 13.004 | 15.1197 | 19.385 | 19.547 | 24.3978 | 29.7331 | 34.3111 | 37.7972 | 39.6273 | 41.4956 | |
| L-SHADE(Brest et al. 2016) | 13.004 | 15.6361 | 17.4787 | 18.6656 | 23.2296 | 27.4646 | 33.3554 | 36.6544 | 39.1189 | 40.7351 | |
| SSA (Wang et al. 2020) | 13.0048 | 15.1287 | 18.945 | 19.7159 | 24.9574 | 31.3648 | 36.4699 | 39.5262 | 41.7867 | 42.8996 | |
| EO(Abdel-Basset et al. 2021) | 13.0048 | 15.1266 | 19.2749 | 19.7192 | 25.0847 | 31.6771 | 37.4857 | 41.1474 | 43.1810 | 44.6525 | |
| CSA(Moses et al. 2019) | 13.0030 | 15.1346 | 19.3847 | 19.6840 | 24.1848 | 29.5117 | 34.9319 | 37.7080 | 40.2279 | 42.1482 | |
| 277095 | IWOA | 17.2331 | 19.5955 | 20.0944 | 22.2815 | 27.9087 | 34.1189 | 40.4472 | 44.0415 | 46.5726 | 48.872 |
| IMPA(Abdel-Basset et al. 2020) | 17.2331 | 19.3947 | 20.0944 | 22.3408 | 28.0279 | 34.3134 | 40.3225 | 43.4826 | 44.9598 | 46.6855 | |
| FFA (Erdmann et al. 2015) | 17.2331 | 19.4469 | 20.3817 | 22.3397 | 28.0926 | 34.372 | 39.6988 | 41.8509 | 43.2272 | 44.6291 | |
| SCA (Mirjalili 2016) | 17.2592 | 19.4005 | 20.1383 | 22.0145 | 26.9085 | 31.9687 | 36.0582 | 39.435 | 42.0242 | 43.736 | |
| FPA(Yang 2012) | 17.2462 | 19.3746 | 20.339 | 22.1086 | 26.469 | 30.7319 | 35.1382 | 38.7162 | 41.2978 | 42.7415 | |
| L-SHADE(Brest et al. 2016) | 16.6452 | 18.3082 | 19.6956 | 20.6929 | 24.0195 | 29.1134 | 33.9374 | 37.4709 | 39.4088 | 41.6076 | |
| SSA (Wang et al. 2020) | 17.2331 | 19.5076 | 20.3945 | 22.3716 | 28.1538 | 34.2436 | 39.4361 | 41.4285 | 43.6577 | 45.6107 | |
| EO(Abdel-Basset et al. 2021) | 17.2331 | 19.5318 | 20.0944 | 22.2582 | 27.8796 | 34.0662 | 39.5489 | 42.6040 | 44.9147 | 46.7984 | |
| CSA(Moses et al. 2019) | 17.2495 | 19.5695 | 20.3456 | 22.0283 | 27.0782 | 31.2230 | 36.4326 | 39.4172 | 42.0179 | 43.4224 | |
Bold values indicate the best value