DiSCO: Defending text-to-image generation through distribution-guided contrastive prompt optimization
Source
Tong Zhang, Motasem Alfarra, Carlos Hinojosa, Christos Louizos, Bernard Ghanem
Author
Tong Zhang, Motasem Alfarra, Carlos Hinojosa, Christos Louizos, Bernard Ghanem
Date
Why it matters
Identifies a class of prompts that pass text filters yet still produce unsafe images, and defends against it purely at the prompt layer — usable against closed image models where weight editing or encoder tuning is impossible.
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