activity
20232026
most citedTowards a clinically accessible radiology foundation model: open-access and lightweight, with automated evaluation

40 citations · 59 across the 66 of their papers we have counts for

collaborators

72 papers

cs.CV2026

PerturbBridge: Direct Phenotypic Supervision for Cellular Perturbation Generation

Yucheng Yang, Xiaoxiao Sun, Huangqingbo Sun +3

Virtual cell models should capture phenotypes induced by specific perturbations. However, image-based models are typically trained and evaluated to match real-image distributions,…

cs.CV2026

ScreenHaystack: Finding Blind Zones in GUI Grounding

Chenyue Li, Xiaoxiao Sun, Yubo Deng +3

We introduce ScreenHaystack, a dynamic needle-in-a-haystack benchmark for evaluating spatial reliability in GUI grounding. Instead of testing each target at a fixed position, Scree…

cs.CV2026

Solve the Missing First Step: Can VLMs Standardize Raw Heterogeneous Medical Data?

Xin Chen, Dongliang Xu, Cunhao Zhu +5

As vision-language models (VLMs) are increasingly applied to medical AI, existing benchmarks mainly focus on evaluating their diagnostic ability over given medical images and texts…

cs.AI2026

AutoMem: Automated Learning of Memory as a Cognitive Skill

Shengguang Wu, Hao Zhu, Yuhui Zhang +2

Memory expertise is a learned skill: knowing what to encode, when to retrieve, and how to organize knowledge--a capacity known in cognitive science as metamemory. We bring this per…

cs.CV2026

Learning from Failure: Inference-Time Self-Improvement for Computer-Use Agents

Xueqiao Sun, Xiaohan Wang, Ludwig Schmidt +2

Computer-use agents, which leverage multimodal large language models (MLLMs) to operate computers and complete tasks, have attracted significant attention for their utility and ver…

cs.LG2026

PerturbCellRL: Aligning Distributions and Grounding Biology via Post-Training Perturbation Generators

Dongxia Wu, Mingyu Li, Yuhui Zhang +4

Single-cell perturbation models can reduce costly wet-lab screening by predicting how cells respond transcriptionally to interventions. Recent advances in flow-matching have enable…

cs.CV2026

SalArt-VQA: Diagnosing Whether VLMs Understand Salient Artifacts in Generated Images

Xiaoxiao Sun, Ruotian Zhang, Junzhe Huang +2

Vision-language models (VLMs) are increasingly used to detect whether AI-generated images contain visible artifacts, yet their ability to analyze such artifacts remains poorly unde…

cs.CV2026

MMBU: A Massive Multi-modal Biomedical Understanding Benchmark to Probe the Perception Capabilities of Vision-Language Models

Ryan D'Cunha, Alejandro Lozano, Xiaoxiao Sun +21

Vision and language models (VLMs) hold immense promise to transform biomedical imaging workflows, from detecting lesions in chest X-rays to profiling cellular features in microscop…

cs.AI2026

Ten Headache Specialists versus Artificial Intelligence for Clinical Literature Summarization: A Critical Evaluation and Comparison

Alejandro Lozano, Keiko Ihara, Ping-Hao Yang +13

Summarizing the latest medical literature to guide clinical decision-making is essential for evidence-based medicine and high-quality patient care. Yet clinicians face increasing c…

cs.CV2026

DataComp-VLM: Improved Open Datasets for Vision-Language Models

Matteo Farina, Vishaal Udandarao, Thao Nguyen +33

Building performant Vision-Language Models (VLMs) requires carefully curating large-scale training datasets, yet the community lacks systematic benchmarks for evaluating such curat…

cs.CV2026

WildTableBench: Benchmarking Multimodal Foundation Models on Table Understanding In the Wild

Junzhe Huang, Xiaoxiao Sun, Yan Yang +6

Using multimodal foundation models to analyze table images is a high-value yet challenging application in consumer and enterprise scenarios. Despite its importance, current evaluat…

cs.CV2026

Anny-Fit: All-Age Human Mesh Recovery

Laura Bravo-Sánchez, Matthieu Armando, Romain Brégier +3

Recovering 3D human pose and shape from a single image remains a cornerstone of human-centric vision, yet most methods assume adult subjects and optimize each person independently.…

cs.LG2026

V-GRPO: Online Reinforcement Learning for Denoising Generative Models Is Easier than You Think

Bingda Tang, Yuhui Zhang, Xiaohan Wang +3

Aligning denoising generative models with human preferences or verifiable rewards remains a key challenge. While policy-gradient online reinforcement learning (RL) offers a princip…

cs.CV2026

Project Imaging-X: A Survey of 1000+ Open-Access Medical Imaging Datasets for Foundation Model Development

Zhongying Deng, Cheng Tang, Ziyan Huang +124

Foundation models have demonstrated remarkable success across diverse domains and tasks, primarily due to the thrive of large-scale, diverse, and high-quality datasets. However, in…

cs.CV2026

Fine-tuning MLLMs Without Forgetting Is Easier Than You Think

He Li, Yuhui Zhang, Xiaohan Wang +2

The paper demonstrate that simple adjustments of the fine-tuning recipes of multimodal large language models (MLLM) are sufficient to mitigate catastrophic forgetting. On visual qu…

cs.LG2026

CellFluxRL: Biologically-Constrained Virtual Cell Modeling via Reinforcement Learning

Dongxia Wu, Shiye Su, Yuhui Zhang +4

Building virtual cells with generative models to simulate cellular behavior in silico is emerging as a promising paradigm for accelerating drug discovery. However, prior image-base…

cs.LG2026

Uncertainty-Aware Distribution-to-Distribution Flow Matching for Scientific Imaging

Dongxia Wu, Yuhui Zhang, Serena Yeung-Levy +2

Distribution-to-distribution generative models support scientific imaging tasks ranging from modeling cellular perturbation responses to translating medical images across condition…

cs.AI2026

Tool Verification for Test-Time Reinforcement Learning

Ruotong Liao, Nikolai Röhrich, Xiaohan Wang +4

Test-time reinforcement learning (TTRL) has emerged as a promising paradigm for Recursive Self-Improving AI (RSI) by adapting Large Reasoning Models (LRMs) on unlabeled test inputs…

cs.CV2026

ArtifactLens: Hundreds of Labels Are Enough for Artifact Detection with VLMs

James Burgess, Rameen Abdal, Dan Stoddart +3

Modern image generators produce strikingly realistic images, where only artifacts like distorted hands or warped objects reveal their synthetic origin. Detecting these artifacts is…

cs.CV2026

iSight: Towards expert-AI co-assessment for improved immunohistochemistry staining interpretation

Jacob S. Leiby, Jialu Yao, Pan Lu +17

Immunohistochemistry (IHC) provides information on protein expression in tissue sections and is commonly used to support pathology diagnosis and disease triage. While AI models for…

cs.CV2026

Seeing Is Believing? A Benchmark for Multimodal Large Language Models on Visual Illusions and Anomalies

Wenjin Hou, Wei Liu, Han Hu +3

Multimodal Large Language Models (MLLMs) have shown remarkable proficiency on general-purpose vision-language benchmarks, reaching or even exceeding human-level performance. Howeve…

cs.CV2026

UniT: Unified Multimodal Chain-of-Thought Test-time Scaling

Leon Liangyu Chen, Haoyu Ma, Zhipeng Fan +11

Unified models can handle both multimodal understanding and generation within a single architecture, yet they typically operate in a single pass without iteratively refining their…

cs.LG2026

PaperSearchQA: Learning to Search and Reason over Scientific Papers with RLVR

James Burgess, Jan N. Hansen, Duo Peng +5

Search agents are language models (LMs) that reason and search knowledge bases (or the web) to answer questions; recent methods supervise only the final answer accuracy using reinf…

cs.CV2026

RadDiff: Describing Differences in Radiology Image Sets with Natural Language

Xiaoxian Shen, Yuhui Zhang, Sahithi Ankireddy +5

Understanding how two radiology image sets differ is critical for generating clinical insights and for interpreting medical AI systems. We introduce RadDiff, a multimodal agentic s…