Author

Jie Zhang

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Preprint Oct 2026

LETHE: Defending against Unauthorized Image-to-Video Generation via Value Diversity Collapse

Image-to-video (I2V) diffusion models can animate a single reference image into high-quality, subject-consistent videos, posing threats of misuse as anyone can turn personal photos into fabricated videos without consent. A promising solution is to proactively add an adversarial perturbation to the image before release,...

Bo-Heng Li, Yue-Ming Xing, Yi-Ming Li et al. · 1 citation

#artificial intelligence Review Aug 2026

Auditing Chinese Web-scale Corpora via Sampled BPE Token Statistics

This work proposes Sampled-BPE, a lightweight token-level auditing pipeline that sample a small subset and train BPE tokenizer to surface polluted tokens, and releases a hierarchical Chinese web token dataset with 660k+ token records, organized as trees to support review and tracing of pollution.

Qingjie Zhang, Ziqi Tang, Jie Zhang et al. · 0 citations