Fig. 1 | npj Digital Medicine

Fig. 1

From: Matters Arising: Near-identical images, not foundation models, explain purported re-identification of patients from medical imaging

Fig. 1

Example retinal image pairs from GRAPE, where finding the most similar image using RETFound features retrieved an image from the same patient (a) and a different patient (b), respectively; c illustrates a fundus image at normal resolution (top) and a resolution of 16 × 16 pixels (bottom). The correct matches have very consistent fixation and little apparent change between visits.

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