Author

Zehui Guo

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Preprint Aug 2026

TempJail: Temporal Jailbreak Attacks against Image-to-Video Generation Models

This paper proposes TempJail, a novel temporal jailbreak framework for I2V systems, and investigates three attack scenarios and uncover a temporal vulnerability in I2V systems: unsafe semantics may emerge not from a single frame, but from semantic composition over time.

Qiang Lu, Zehui Guo, D. Gan et al. · 0 citations

Jul 2026

h-Flow: Flexible Flow-based Image Editing via Doob's h-Transform

Editing images with pre-trained text-to-image flow models typically requires carefully balancing target alignment with the desired prompt and source consistency with the original image. Existing approaches either rely on inversion-based pipelines or heuristic source-to-target trajectory constructions, which often depen...

Zehui Guo, Zhen Wang, Junwei Shu et al. · arXiv.org · 0 citations