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Rui-Bo Chen

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#natural language process... Preprint Sep 2026

TTMark: Pairwise Distortion-Free Watermarking Beyond Single-Token Entropy

Distortion-free watermarking enables reliable attribution of machine-generated text while preserving output distribution. However, existing methods operate independently on each generated token, making their detection capability fundamentally constrained by the entropy of the next-token distribution. We present Tandem...

Rui-Bo Chen, Zheng-Mian Hu, Dong-Hang Lu et al. · 0 citations
Preprint Aug 2026

Rubrics as Visual-Repair Context for Self-Evolving UI-to-Code Generation

Evaluations demonstrate that RubSE substantially outperforms na\"ive self-evolution in final-round and best-round settings, achieving more stable refinement trajectories and a higher trajectory-level performance ceiling.

Tianyi Xiong, Zhengyuan Yang, Xiaofei Wang et al. · 1 citation

More Haste, Less Speed: Weaker Single-Layer Watermark Improves Distortion-Free Watermark Ensembles

This work proposes a general framework that utilizes weaker single-layer watermarks to preserve the entropy required for effective multi-layer ensembling and demonstrates that this counter-intuitive strategy mitigates signal decay and consistently outperforms strong baselines in both detectability and robustness.

Ruibo Chen, Yihan Wu, Xuehao Cui et al. · 2 citations
Preprint Aug 2026

Where to Look Matters: On-Policy Self-Distillation for Long-Video Understanding

Clue-OPSD, a clue-privileged on-policy self-distillation framework for long-video understanding that uses clue intervals as privileged supervision without relying on ground-truth answer labels, while requiring no clue annotations or additional modules at inference time is introduced.

Kaishen Wang, Dong-Di Zhao, Yijun Liang et al. · 4 citations

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