Author

Hongcheng Luo

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Preprint Oct 2026

Towards Unified Evaluation of Prompt Enhancers for Video Generation

Modern video generators can realize increasingly complex visual narratives, positioning the prompt enhancer (PE) as a critical bridge from concise user instructions and multimodal references to structured cinematic plans. However, existing PE evaluation relies on rendered videos, imposing substantial computational and...

Ya-Wen Shao, Yu-Bo Zhu, Zi-Yun Dai et al. · 0 citations

#natural language process... Jun 2026

Back on Track: Aligning Rewards and States for Reasoning in Diffusion Large Language Models

This work introduces Process Aligned Policy Optimization (PAPO), a novel framework that holistically aligns the RL update with the dLLM's generative trajectory via Step-Aware Process Rewards (SPR) that transform sparse terminal rewards into dense, step-wise credit, and Entropy-Guided Historical Re-enactment that replay...

Ya-Wen Shao, Jie Xiao, Kai Zhu et al. · arXiv.org · 1 citation