Fig. 4

Misclassified images of DR in multiple stages due to poor lighting and contrast. Reprinted with permission from Shaban et al. Shaban M, Ogur Z, Mahmoud A, Switala A, Shalaby A, Abu Khalifeh H, Ghazal M, Fraiwan L, Giridharan G, Sandhu H, El-Baz AS. A convolutional neural network for the screening and staging of diabetic retinopathy. PLoS One. 2020 Jun 22;15 [6]:e0233514 under Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/legalcode)