activity
20242026
most citedA Preliminary Study of o1 in Medicine: Are We Closer to an AI Doctor?

15 citations · 25 across the 20 of their papers we have counts for

collaborators

21 papers

cs.CV2026

Layer-Aware Position Embeddings for Visual Token Pruning in Multimodal Large Language Models

Yahong Wang, Zhangkai Ni, Juncheng Wu +3

Multimodal large language models (MLLMs) incur substantial computational overhead due to the reliance on hundreds of visual tokens to represent images. While token pruning has emer…

cs.AI2026

AISPA: User-Centric System Prompt Auditing for Large Language Model Applications

Xiangning Lin, Shenzhe Zhu, Shu Yang +23

System prompts are instructions configured by developers to govern the behaviors of foundation models in AI applications. They are used throughout commercial AI products, but are r…

cs.CV2026

VisualClaw: A Real-Time, Personalized Agent for the Physical World

Haoqin Tu, Jianwen Chen, Zijun Wang +14

Vision language models are serving as general-purpose interfaces for complex multimodal tasks. However, deployment still faces three gaps: VLMs typically incur high latency and cos…

cs.AI2026

Harness Updating Is Not Harness Benefit: Disentangling Evolution Capabilities in Self-Evolving LLM Agents

Minhua Lin, Juncheng Wu, Zijun Wang +14

LLM agents are increasingly deployed as systems built around editable external harnesses, including prompts, skills, memories and tools, that shape task execution without changing…

cs.CL2026

From Seeing to Thinking: Decoupling Perception and Reasoning Improves Post-Training of Vision-Language Models

Juncheng Wu, Hardy Chen, Haoqin Tu +6

Recent advances in vision-language models (VLMs) emphasize long chain-of-thought reasoning; yet, we find that their performance on visual tasks is primarily limited by a lack of vi…

cs.CL2026

ClinSeekAgent: Automating Multimodal Evidence Seeking for Agentic Clinical Reasoning

Juncheng Wu, Letian Zhang, Yuhan Wang +9

Large language models (LLMs) and agentic systems have shown promise for clinical decision support, but existing works largely assume that evidence has already been curated and hand…

cs.CL2026

Chasing the Public Score: User Pressure and Evaluation Exploitation in Coding Agent Workflows

Hardy Chen, Nancy Lau, Haoqin Tu +8

Frontier coding agents are increasingly used in workflows where users supervise progress primarily through repeated improvement of a public score, namely the reported score on a pu…

cs.CV2026

EntropyPrune: Matrix Entropy Guided Visual Token Pruning for Multimodal Large Language Models

Yahong Wang, Juncheng Wu, Zhangkai Ni +6

Multimodal large language models (MLLMs) incur substantial inference cost due to the processing of hundreds of visual tokens per image. Although token pruning has proven effective…

cs.CV2025

MedVLThinker: Simple Baselines for Multimodal Medical Reasoning

Xiaoke Huang, Juncheng Wu, Hui Liu +2

Large Reasoning Models (LRMs) have introduced a new paradigm in AI by enabling models to ``think before responding" via chain-of-thought reasoning. However, the absence of open and…

cs.CV2025

SCING:Towards More Efficient and Robust Person Re-Identification through Selective Cross-modal Prompt Tuning

Yunfei Xie, Yuxuan Cheng, Juncheng Wu +3

Recent advancements in adapting vision-language pre-training models like CLIP for person re-identification (ReID) tasks often rely on complex adapter design or modality-specific tu…

cs.CL2025

More Thinking, Less Seeing? Assessing Amplified Hallucination in Multimodal Reasoning Models

Chengzhi Liu, Zhongxing Xu, Qingyue Wei +5

Test-time compute has empowered multimodal large language models to generate extended reasoning chains, yielding strong performance on tasks such as multimodal math reasoning. Howe…

cs.CL2025

Knowledge or Reasoning? A Close Look at How LLMs Think Across Domains

Juncheng Wu, Sheng Liu, Haoqin Tu +5

Recent advances in reasoning-enhanced Large Language Models such as OpenAI-o1/3 and DeepSeek-R1 have significantly improved performance on complex tasks. However, the quality and t…

cs.CV2025

MedFrameQA: A Multi-Image Medical VQA Benchmark for Clinical Reasoning

Suhao Yu, Haojin Wang, Juncheng Wu +9

Real-world clinical practice demands multi-image comparative reasoning, yet current medical benchmarks remain limited to single-frame interpretation. We present MedFrameQA, the fir…

cs.CL2025★ 2 cited

MedReason: Eliciting Factual Medical Reasoning Steps in LLMs via Knowledge Graphs

Juncheng Wu, Wenlong Deng, Xingxuan Li +12

Medical tasks such as diagnosis and treatment planning require precise and complex reasoning, particularly in life-critical domains. Unlike mathematical reasoning, medical reasonin…

cs.CL2025

STAR-1: Safer Alignment of Reasoning LLMs with 1K Data

Zijun Wang, Haoqin Tu, Yuhan Wang +6

This paper introduces STAR-1, a high-quality, just-1k-scale safety dataset specifically designed for large reasoning models (LRMs) like DeepSeek-R1. Built on three core principles…

cs.CL2025

m1: Unleash the Potential of Test-Time Scaling for Medical Reasoning with Large Language Models

Xiaoke Huang, Juncheng Wu, Hui Liu +2

Test-time scaling has emerged as a powerful technique for enhancing the reasoning capabilities of large language models. However, its effectiveness in medical reasoning remains unc…

cs.CL2024★ 15 cited

A Preliminary Study of o1 in Medicine: Are We Closer to an AI Doctor?

Yunfei Xie, Juncheng Wu, Haoqin Tu +6

Large language models (LLMs) have exhibited remarkable capabilities across various domains and tasks, pushing the boundaries of our knowledge in learning and cognition. The latest…

cs.CV2024★ 8 cited

MedTrinity-25M: A Large-scale Multimodal Dataset with Multigranular Annotations for Medicine

Yunfei Xie, Ce Zhou, Lang Gao +8

This paper introduces MedTrinity-25M, a comprehensive, large-scale multimodal dataset for medicine, covering over 25 million images across 10 modalities with multigranular annotati…

cs.CV2024

Restorer: Removing Multi-Degradation with All-Axis Attention and Prompt Guidance

Jiawei Mao, Juncheng Wu, Yuyin Zhou +2

There are many excellent solutions in image restoration.However, most methods require on training separate models to restore images with different types of degradation.Although exi…

cs.CV2024

DDR: Exploiting Deep Degradation Response as Flexible Image Descriptor

Juncheng Wu, Zhangkai Ni, Hanli Wang +3

Image deep features extracted by pre-trained networks are known to contain rich and informative representations. In this paper, we present Deep Degradation Response (DDR), a method…

cs.CV2024

Misalignment-Robust Frequency Distribution Loss for Image Transformation

Zhangkai Ni, Juncheng Wu, Zian Wang +3

This paper aims to address a common challenge in deep learning-based image transformation methods, such as image enhancement and super-resolution, which heavily rely on precisely a…