collaborators

5 papers

cs.IR2026

SHIFT: Self-reconstruction Harnesses Implicit Fine-grained Thinking for Retrieval

Yuxiao Luo, Da Li, Mingjie Zhang +3

LLM-based retrievers have become a fundamental component of modern information retrieval systems. The paradigm of "rewrite-then-retriev" introduces explicit reasoning before retrie…

cs.CV2025

Unleashing Perception-Time Scaling to Multimodal Reasoning Models

Yifan Li, Zhenghao Chen, Ziheng Wu +7

Recent advances in inference-time scaling, particularly those leveraging reinforcement learning with verifiable rewards, have substantially enhanced the reasoning capabilities of L…

cs.CV2025

Seeing is Believing? Mitigating OCR Hallucinations in Multimodal Large Language Models

Zhentao He, Can Zhang, Ziheng Wu +6

Recent advancements in multimodal large language models have enhanced document understanding by integrating textual and visual information. However, existing models exhibit incompl…

cs.CV2025

GThinker: Towards General Multimodal Reasoning via Cue-Guided Rethinking

Yufei Zhan, Ziheng Wu, Yousong Zhu +10

Despite notable advancements in multimodal reasoning, leading Multimodal Large Language Models (MLLMs) still underperform on vision-centric multimodal reasoning tasks in general sc…

cs.CV2025

Valley2: Exploring Multimodal Models with Scalable Vision-Language Design

Ziheng Wu, Zhenghao Chen, Ruipu Luo +6

Recently, vision-language models have made remarkable progress, demonstrating outstanding capabilities in various tasks such as image captioning and video understanding. We introdu…