| Image data sets | Images | | | | |
| USC-SIPI [33] | Boat | 33,178 | 32,504 | 20,966 | 21,617 | Man | 35,402 | 35,906 | 17,279 | 17,155 | Airport | 125,402 | 126,360 | 88,099 | 87,416 |
| UNSPLASH [34] | Vanessa | 3,848,600 | 3,855,095 | 811,246 | 813,817 | Philipp | 3,629,664 | 3,628,511 | 723,583 | 722,901 | Mohammad | 3,562,855 | 3,531,772 | 424,576 | 424,559 |
| ChestX-ray14 [35] | 8FDE | 74,459 | 74,592 | 12,011 | 12,315 | Aweek | 31,462 | 31,130 | 4,393 | 4,571 | RXtorace | 30,445 | 30,687 | 7,543 | 7,227 |
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