Preprint
Aug 2026
Understanding Why Foundation Models Work for Diffusion-Generated Image Detection
This work investigates what cues are exploited by foundation-model-based detectors to distinguish real images from diffusion-generated ones and suggests that foundation-model-based detectors succeed by capturing non-semantic low-to-mid frequency distributional discrepancies between real and diffusion-generated images.
D. Cozzolino, G. Poggi, L. Verdoliva
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