Author

Yihao Hu

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#artificial intelligence Review Oct 2026

UltraText Bench: A Comprehensive Bilingual Benchmark for Evaluating Visual Text Rendering in Image Generation

Dense visual text requires image generators to reproduce long strings across multiple regions with correct placement and legibility. As short-string rendering improves, evaluation must test sustained performance across more demanding scenes. We introduce UltraText Bench, a bilingual benchmark for prompt-only generation...

De-Yuan Liu, Yihao Hu, Jing-Xuan Zhang et al. · 0 citations

Preprint Aug 2026

Towards Better Agents for Multi-Turn User Interaction: The Next User Turn Is More Than Context

Next-turn user reactions provide actionable local credit for improving multi-turn user-interacting agents and improves the nine-domain $\tau$-family average across three independently trained runs.

Yi-Wen Zhao, Zhihao Wen, Yuchen Mao et al. · 1 citation

Preprint Aug 2026

Diagnosis Before Recovery: Turning Agent Failures into Selective Self-Correction

DARC is proposed, a diagnosis-guided recovery harness that profiles task-family failure modes, prunes mismatched interventions from a shared recovery library, and freezes a verifier-selected success-cost policy for deployment, providing a practical route toward more reliable agents in domains where compiler-like feedba...

Pan Wang, Yihao Hu, Hang Wang et al. · 2 citations