Preprint Open access
InGuard: Towards Generalized Inner Guardrail for Safe Text-to-Image Generation
Modern text-to-image (T2I) models generate high-quality images from arbitrary user prompts, yet they can just as easily produce not-safe-for-work (NSFW) content. Conventional outer guardrails consist of two components: a prompt classifier that checks for risk before generation, and a post-hoc image classifier that chec …