Author

Symeon Papadopoulos

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#artificial intelligence Preprint Oct 2026

Harmful Content Generation in Text-to-Image Models: Capabilities and Moderation Limitations

Text-to-image generative models can produce highly realistic imagery but also raise concerns about harmful misuse. While safety mechanisms exist, systematic evaluations of their effectiveness against realistic attacks remain limited. We present a systematic evaluation of harmful content generation across five open text...

Paschalis Giakoumoglou, Manos Schinas, Symeon Papadopoulos · 0 citations

Jul 2026

Test-Time Noise Guided Adaptation for Realistic Autoregressive Video Generation

Terminal points Avoidance through Noise Guided Optimization (TANGO) is introduced, which uses the diffusion model as a critic of its own outputs, by predicting one step forward and requiring an isotropic Gaussian noise prediction.

Dimitrios Karageorgiou, Symeon Papadopoulos, Y. Kompatsiaris et al. · arXiv.org · 0 citations