Fig. 5: Model performance on crops around fovea and optic disk. | Nature Communications

Fig. 5: Model performance on crops around fovea and optic disk.

From: Predicting optical coherence tomography-derived diabetic macular edema grades from fundus photographs using deep learning

Fig. 5

The plot shows model performance in predicting ci-DME on the primary clinical validation set, as measured by AUC when cropped circular images are used to train and validate the model. The blue line indicates the performance when cropped circular images of different sizes (radius of multiples of disc diameter from 0.05 to 2.5) centered at the fovea are used; the green line indicates the corresponding performance when the crops are centered at the optic disc. (Inset) Image depicting some of the regions of different radii (0.05, 0.125, 0.25, 0.5, and 1 disc diameter) around the fovea and optic disc. Bottom panel: Fundus image, followed by a sample of the crops extracted by centering at the optic disc (green) and fovea (blue), with the extraction radius in multiples of disc diameter indicated in each crop. Error bars are 95% confidence interval using n = 2000 samples with replacement.

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