collaborators

10 papers

cs.AI2026

Breaking the SFT Plateau: Multimodal Structured Reinforcement Learning for Chart-to-Code Generation

Lei Chen, Xuanle Zhao, Zhixiong Zeng +4

While reinforcement learning (RL) has proven highly effective for general reasoning in vision-language models, its application to tasks requiring deep understanding of information-…

cs.AI2026

Chart-R1: Chain-of-Thought Supervision and Reinforcement for Advanced Chart Reasoner

Lei Chen, Xuanle Zhao, Zhixiong Zeng +3

Chart reasoning presents unique challenges due to its inherent complexity -- requiring precise numerical comprehension, multi-level visual understanding, and logical inference acro…

cs.CV2026

OCRVerse: Towards Holistic OCR in End-to-End Vision-Language Models

Yufeng Zhong, Lei Chen, Xuanle Zhao +7

The development of large vision language models drives the demand for managing, and applying massive amounts of multimodal data, making OCR technology, which extracts information f…

cs.CV2025

Reading or Reasoning? Format Decoupled Reinforcement Learning for Document OCR

Yufeng Zhong, Lei Chen, Zhixiong Zeng +8

Reading text from images or scanned documents via OCR models has been a longstanding focus of researchers. Intuitively, text reading is perceived as a straightforward perceptual ta…

cs.CV2025

VinciCoder: Unifying Multimodal Code Generation via Coarse-to-fine Visual Reinforcement Learning

Xuanle Zhao, Deyang Jiang, Zhixiong Zeng +7

Multimodal code generation has garnered significant interest within the research community. Despite the notable success of recent vision-language models (VLMs) on specialized tasks…

cs.CL2025

UITron-Speech: Towards Automated GUI Agents Based on Speech Instructions

Wenkang Han, Zhixiong Zeng, Jing Huang +7

Autonomous agents for Graphical User Interfaces (GUIs) are revolutionizing human-computer interaction, yet their reliance on text-based instructions imposes limitations on accessib…