activity
20242026
collaborators

11 papers

cs.AI2026

THOR: Tool-Integrated Hierarchical Optimization via RL for Mathematical Reasoning

Qikai Chang, Zhenrong Zhang, Pengfei Hu +6

Large Language Models (LLMs) have made remarkable progress in mathematical reasoning, but still continue to struggle with high-precision tasks like numerical computation and formal…

cs.CV2025

See then Tell: Enhancing Key Information Extraction with Vision Grounding

Shuhang Liu, Zhenrong Zhang, Pengfei Hu +5

In the digital era, the ability to understand visually rich documents that integrate text, complex layouts, and imagery is critical. Traditional Key Information Extraction (KIE) me…

cs.SD2025

Latent Swap Joint Diffusion for 2D Long-Form Latent Generation

Yusheng Dai, Chenxi Wang, Chang Li +7

This paper introduces Swap Forward (SaFa), a modality-agnostic and efficient method to generate seamless and coherence long spectrum and panorama through latent swap joint diffusio…

cs.CL2025

Enhancing the Geometric Problem-Solving Ability of Multimodal LLMs via Symbolic-Neural Integration

Yicheng Pan, Zhenrong Zhang, Pengfei Hu +6

Recent advances in Multimodal Large Language Models (MLLMs) have achieved remarkable progress in general domains and demonstrated promise in multimodal mathematical reasoning. Howe…

cs.MM2025

MMC: Iterative Refinement of VLM Reasoning via MCTS-based Multimodal Critique

Shuhang Liu, Zhenrong Zhang, Pengfei Hu +7

Visual language models (VLMs) have demonstrated strong performance across diverse multimodal reasoning tasks but still face challenges such as hallucinations, resulting in incorrec…

cs.MM2025

PRM-BAS: Enhancing Multimodal Reasoning through PRM-guided Beam Annealing Search

Pengfei Hu, Zhenrong Zhang, Qikai Chang +8

Recent work increasingly focuses on improving the reasoning capabilities of Multimodal Large Language Models (MLLMs). Among existing methods, Process Reward Models (PRMs) stand out…