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. 2022 May 11;60(7):2015–2038. doi: 10.1007/s11517-022-02564-6

Table 4.

Classes of the utilized datasets: 0 = Normal, 1 = mild, 2 = moderate, 3 = severe NPDR, and 4 = PDR

Dataset 0 1 2 3 4 Train Valid
EyePACS 25810 2443 5292 873 708 34126 1000
MESSIDOR 32 13 11 − 44 80 20
IDRiD 134 20 136 74 49 330 83
APTOS 2019 1805 370 999 193 295 2929 733