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The number of COVID and nonCOVID CT images of the three COVID-19 datasets
| Datasets | COVID | NonCOVID | Train | Test |
|---|---|---|---|---|
| COVID-19 | 2499 | 1908 | 2000 COVID | 499 COVID |
| dataset-A | 1527 NonCOVID | 381 NonCOVID | ||
| COVID-19 [41] | 1844 | 1676 | 1107 COVID | 369 COVID |
| dataset-B | 1006 NonCOVID | 335 NonCOVID | ||
| COVID-19 [20] | 349 | 397 | 280 COVID | 70 COVID |
| dataset-C | 317 NonCOVID | 78 NonCOVID | ||
| COVID-19 [42] | 1252 | 1230 | 1001 COVID | 251 COVID |
| dataset-D | 984 NonCOVID | 246 NonCOVID |
