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Weihao Xuan

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#natural language process... Preprint Sep 2026

DenMark: Robust Semantic Watermarking for Diffusion Language Models

DenMark is proposed, a semantic watermarking framework that injects key-dependent signals directly into the DLM denoising process and achieves the best results across all reported detection metrics in all 48 backbone-dataset-attack combinations.

Tian-Hao Ma, Weihao Xuan, Dong-Dong Wu et al. · 1 citation
Jul 2026

Advancing All-Weather Building Damage Mapping to the Instance Level: Outcomes and Insights from the 2026 Bright Challenge

Rapid post-disaster response requires timely, building-level information on whether structures remain intact, are damaged, or are destroyed. Post-event optical imagery, however, may be unavailable because of cloud, smoke, or darkness. The Bright Challenge evaluated all-weather building damage mapping from a submeter-re...

Hongruixuan Chen, He Huang, Haifeng Wang et al. · 0 citations

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