activity
20202026
most citedCheXtransfer: Performance and Parameter Efficiency of ImageNet Models for Chest X-Ray Interpretation

85 citations · 565 across the 57 of their papers we have counts for

collaborators

60 papers

cs.LG2026

ProTok: Unified Protein Tokenization via Modular Multi-Codebook Quantization

Romain Hardy, Xiaoman Zhang, Pranav Rajpurkar

Protein sequence, structure, and functional annotations each capture complementary aspects of protein biology, yet existing tokenizers encode each modality independently, limiting…

cs.AI2026

Asclepius: An Adaptive Harness for Long-Horizon Clinical Agents

Grace Chang Yuan, Xiaoman Zhang, Sung Eun Kim +2

LLM agents are predominantly benchmarked on short, single-task trajectories, yet real deployments run for hours under contention, surfacing a different class of failures. We use th…

cs.RO2026

Imitation Learning for Robot Assistance in Open Surgery: A Multi-Policy Evaluation on Suture Following

Xucheng Wang, Zhizhou Yang, Xiaoman Zhang +3

This study presents the first evaluation of general-purpose imitation learning for surgeon-robot collaborative assistance in open surgery, targeting suture following: the grab-pull…

cs.CV2026

ReXSonoVQA: A Video QA Benchmark for Procedure-Centric Ultrasound Understanding

Xucheng Wang, Xiaoman Zhang, Sung Eun Kim +2

Ultrasound acquisition requires skilled probe manipulation and real-time adjustments. Vision-language models (VLMs) could enable autonomous ultrasound systems, but existing benchma…

cs.CV2026

ReXInTheWild: A Unified Benchmark for Medical Photograph Understanding

Oishi Banerjee, Sung Eun Kim, Alexandra N. Willauer +9

Everyday photographs taken with ordinary cameras are already widely used in telemedicine and other online health conversations, yet no comprehensive benchmark evaluates whether vis…

cs.CL2026★ 1 cited

CRIMSON: A Clinically-Grounded LLM-Based Metric for Generative Radiology Report Evaluation

Mohammed Baharoon, Thibault Heintz, Siavash Raissi +6

We introduce CRIMSON, a clinically grounded evaluation framework for chest X-ray report generation that assesses reports based on diagnostic correctness, contextual relevance, and…

cs.CL2026

Do Mixed-Vendor Multi-Agent LLMs Improve Clinical Diagnosis?

Grace Chang Yuan, Xiaoman Zhang, Sung Eun Kim +1

Multi-agent large language model (LLM) systems have emerged as a promising approach for clinical diagnosis, leveraging collaboration among agents to refine medical reasoning. Howev…

cs.CV2025

Evaluating Contextual Intelligence in Recyclability: A Comprehensive Study of Image-Based Reasoning Systems

Eliot Park, Abhi Kumar, Pranav Rajpurkar

While the importance of efficient recycling is widely acknowledged, accurately determining the recyclability of items and their proper disposal remains a complex task for the gener…

cs.CV2025

ReX-MLE: The Autonomous Agent Benchmark for Medical Imaging Challenges

Roshan Kenia, Xiaoman Zhang, Pranav Rajpurkar

Autonomous coding agents built on large language models (LLMs) can now solve many general software and machine learning tasks, but they remain ineffective on complex, domain-specif…

cs.CV2025

3DReasonKnee: Advancing Grounded Reasoning in Medical Vision Language Models

Sraavya Sambara, Sung Eun Kim, Xiaoman Zhang +5

Current Vision-Language Models (VLMs) struggle to ground anatomical regions in 3D medical images and reason about them in a step-by-step manner, a key requirement of real-world dia…

cs.CV2025

ColonCrafter: A Depth Estimation Model for Colonoscopy Videos Using Diffusion Priors

Romain Hardy, Tyler Berzin, Pranav Rajpurkar

Three-dimensional (3D) scene understanding in colonoscopy presents significant challenges that necessitate automated methods for accurate depth estimation. However, existing depth…

cs.CV2025★ 1 cited

RadGame: An AI-Powered Platform for Radiology Education

Mohammed Baharoon, Siavash Raissi, John S. Jun +29

We introduce RadGame, an AI-powered gamified platform for radiology education that targets two core skills: localizing findings and generating reports. Traditional radiology traini…

eess.IV2025★ 1 cited

ReXGroundingCT: A 3D Chest CT Dataset for Segmentation of Findings from Free-Text Reports

Mohammed Baharoon, Luyang Luo, Michael Moritz +22

We introduce ReXGroundingCT, the first publicly available dataset linking free-text findings to pixel-level 3D segmentations in chest CT scans. The dataset includes 3,142 non-contr…

cs.HC2025

Voice-guided Orchestrated Intelligence for Clinical Evaluation (VOICE): A Voice AI Agent System for Prehospital Stroke Assessment

Julian Acosta, Scott Adams, Julius Kernbach +7

We developed a voice-driven artificial intelligence (AI) system that guides anyone - from paramedics to family members - through expert-level stroke evaluations using natural conve…

cs.CV2025

ReXVQA: A Large-scale Visual Question Answering Benchmark for Generalist Chest X-ray Understanding

Ankit Pal, Jung-Oh Lee, Xiaoman Zhang +5

We present ReXVQA, the largest and most comprehensive benchmark for visual question answering (VQA) in chest radiology, comprising approximately 696,000 questions paired with 160,0…

eess.IV2025★ 1 cited

ReXGradient-160K: A Large-Scale Publicly Available Dataset of Chest Radiographs with Free-text Reports

Xiaoman Zhang, Julián N. Acosta, Josh Miller +2

We present ReXGradient-160K, representing the largest publicly available chest X-ray dataset to date in terms of the number of patients. This dataset contains 160,000 chest X-ray s…

cs.CL2025★ 1 cited

ReXTrust: A Model for Fine-Grained Hallucination Detection in AI-Generated Radiology Reports

Romain Hardy, Sung Eun Kim, Du Hyun Ro +1

The increasing adoption of AI-generated radiology reports necessitates robust methods for detecting hallucinations--false or unfounded statements that could impact patient care. We…

eess.IV2024★ 1 cited

a2z-1 for Multi-Disease Detection in Abdomen-Pelvis CT: External Validation and Performance Analysis Across 21 Conditions

Pranav Rajpurkar, Julian N. Acosta, Siddhant Dogra +4

We present a comprehensive evaluation of a2z-1, an artificial intelligence (AI) model designed to analyze abdomen-pelvis CT scans for 21 time-sensitive and actionable findings. Our…

cs.HC2024★ 3 cited

The Impact of AI Assistance on Radiology Reporting: A Pilot Study Using Simulated AI Draft Reports

Julián N. Acosta, Siddhant Dogra, Subathra Adithan +4

Radiologists face increasing workload pressures amid growing imaging volumes, creating risks of burnout and delayed reporting times. While artificial intelligence (AI) based automa…

cs.CV2024

MedAutoCorrect: Image-Conditioned Autocorrection in Medical Reporting

Arnold Caleb Asiimwe, Dídac Surís, Pranav Rajpurkar +1

In medical reporting, the accuracy of radiological reports, whether generated by humans or machine learning algorithms, is critical. We tackle a new task in this paper: image-condi…

cs.CV2024

RadFlag: A Black-Box Hallucination Detection Method for Medical Vision Language Models

Serena Zhang, Sraavya Sambara, Oishi Banerjee +3

Generating accurate radiology reports from medical images is a clinically important but challenging task. While current Vision Language Models (VLMs) show promise, they are prone t…

cs.CV2024

FactCheXcker: Mitigating Measurement Hallucinations in Chest X-ray Report Generation Models

Alice Heiman, Xiaoman Zhang, Emma Chen +2

Medical vision-language models often struggle with generating accurate quantitative measurements in radiology reports, leading to hallucinations that undermine clinical reliability…

cs.CV2024★ 1 cited

ReXrank: A Public Leaderboard for AI-Powered Radiology Report Generation

Xiaoman Zhang, Hong-Yu Zhou, Xiaoli Yang +6

AI-driven models have demonstrated significant potential in automating radiology report generation for chest X-rays. However, there is no standardized benchmark for objectively eva…

cs.AI2024★ 1 cited

HeadCT-ONE: Enabling Granular and Controllable Automated Evaluation of Head CT Radiology Report Generation

Julián N. Acosta, Xiaoman Zhang, Siddhant Dogra +5

We present Head CT Ontology Normalized Evaluation (HeadCT-ONE), a metric for evaluating head CT report generation through ontology-normalized entity and relation extraction. HeadCT…