activity
20232026
most citedMRI super-resolution reconstruction using efficient diffusion probabilistic model with residual shifting

13 citations · 56 across the 30 of their papers we have counts for

collaborators

32 papers

cs.AI2026

A radiographic world model for clinical reasoning and evidence generation

Suyang Xi, Songtao Hu, Shansong Wang +8

Medical imaging artificial intelligence (AI) is commonly developed as separate mappings from radiographs to diagnostic outputs or from clinical descriptions to generated images, al…

cs.CV2026

Motion Artifact-Aware Self-Supervised Representation Learning for 3D Brain MRI Motion Artifact Reduction

Mojtaba Safari, Shansong Wang, Zach Eidex +4

Patient motion remains a source of image degradation in brain MRI, leading to signal loss, blurring, and geometric distortion that compromise quantitative analysis. Existing deep l…

cs.CV2026

MRI super-resolution in ten sampling steps using a diffusion bridge model

Mojtaba Safari, Hang Yu, Zach Eidex +10

Objective. MRI provides excellent soft-tissue contrast, but long acquisition times can cause patient discomfort and lead to motion artifacts, forcing a trade-off between spatial re…

cs.CV2026

Text-Guided Refinement of Multi-sequence Glioma Subregion Segmentation with a Vision-Language Foundation Model

Zach Eidex, Yu-nong Lin, Mojtaba Safari +4

Background: Accurate glioma subregion delineation is important for radiotherapy planning and longitudinal monitoring, but manual contour correction is time-consuming. Models such a…

physics.med-ph2026

One-for-All Adaptive Radiotherapy Planning Agent: A Foundation Framework for Daily CBCT-guided Radiotherapy

Shaoyan Pan, Kirk Jon Luca, Yuan Gao +8

In this work, we introduce the One-for-All Adaptive Radiotherapy Planning Agent, a unified foundation-model-based system that performs complete, treatment-specific online adaptive…

cs.CV2026

Universal CT Representations from Anatomy to Disease Phenotype through Agglomerative Pretraining

Yuheng Li, Yuan Gao, Haoyu Dong +5

Computed tomography (CT) is a central to three-dimensional medical imaging, yet CT-based artificial intelligence remains fragmented across task-specific models for segmentation, cl…

cs.LG2026

BrainDINO: A Brain MRI Foundation Model for Generalizable Clinical Representation Learning

Yizhou Wu, Shansong Wang, Yuheng Li +5

Brain MRI underpins a wide range of neuroscientific and clinical applications, yet most learning-based methods remain task-specific and require substantial labeled data. Here we sh…

cs.CV2026

Evaluating GPT-5 as a Multimodal Clinical Reasoner: A Landscape Commentary

Alexandru Florea, Shansong Wang, Mingzhe Hu +5

The transition from task-specific artificial intelligence toward general-purpose foundation models raises fundamental questions about their capacity to support the integrated reaso…

cs.CV2025

Efficient Vision Mamba for MRI Super-Resolution via Hybrid Selective Scanning

Mojtaba Safari, Shansong Wang, Vanessa L Wildman +10

Background: High-resolution MRI is critical for diagnosis, but long acquisition times limit clinical use. Super-resolution (SR) can enhance resolution post-scan, yet existing deep…

cs.CV2025

Explainable Cross-Disease Reasoning for Cardiovascular Risk Assessment from Low-Dose Computed Tomography

Yifei Zhang, Jiashuo Zhang, Mojtaba Safari +2

Low-dose chest computed tomography (LDCT) captures pulmonary and cardiac structures in a single scan, enabling joint assessment of lung and cardiovascular health. Existing approach…

physics.med-ph2025

Low-Dose CT Imaging Using a Regularization-Enhanced Efficient Diffusion Probabilistic Model

Qiang Li, Mojtaba Safari, Shansong Wang +4

Low-dose computed tomography (LDCT) reduces patient radiation exposure but introduces substantial noise that degrades image quality and hinders diagnostic accuracy. Existing denois…

cs.CV2025★ 1 cited

Foundation Models in Medical Image Analysis: A Systematic Review and Meta-Analysis

Praveenbalaji Rajendran, Mojtaba Safari, Wenfeng He +4

Recent advancements in artificial intelligence (AI), particularly foundation models (FMs), have revolutionized medical image analysis, demonstrating strong zero- and few-shot perfo…

cs.CV2025

An Efficient 3D Latent Diffusion Model for T1-contrast Enhanced MRI Generation

Zach Eidex, Mojtaba Safari, Jie Ding +7

Objective: Gadolinium-based contrast agents (GBCAs) are commonly employed with T1w MRI to enhance lesion visualization but are restricted in patients at risk of nephrogenic systemi…

cs.CV2025★ 4 cited

Systematic Review and Meta-analysis of AI-driven MRI Motion Artifact Detection and Correction

Mojtaba Safari, Zach Eidex, Richard L. J. Qiu +3

Background: To systematically review and perform a meta-analysis of artificial intelligence (AI)-driven methods for detecting and correcting magnetic resonance imaging (MRI) motion…

cs.CV2025

DINOv3 with Test-Time Training for Medical Image Registration

Shansong Wang, Mojtaba Safari, Mingzhe Hu +4

Prior medical image registration approaches, particularly learning-based methods, often require large amounts of training data, which constrains clinical adoption. To overcome this…

eess.IV2025

Benchmarking GPT-5 for Zero-Shot Multimodal Medical Reasoning in Radiology and Radiation Oncology

Mingzhe Hu, Zach Eidex, Shansong Wang +3

Radiology, radiation oncology, and medical physics require decision-making that integrates medical images, textual reports, and quantitative data under high-stakes conditions. With…

cs.CV2025

Is ChatGPT-5 Ready for Mammogram VQA?

Qiang Li, Shansong Wang, Mingzhe Hu +3

Mammogram visual question answering (VQA) integrates image interpretation with clinical reasoning and has potential to support breast cancer screening. We systematically evaluated…

cs.CV2025★ 3 cited

Performance of GPT-5 in Brain Tumor MRI Reasoning

Mojtaba Safari, Shansong Wang, Mingzhe Hu +3

Accurate differentiation of brain tumor types on magnetic resonance imaging (MRI) is critical for guiding treatment planning in neuro-oncology. Recent advances in large language mo…

cs.CL2025★ 11 cited

Capabilities of GPT-5 on Multimodal Medical Reasoning

Shansong Wang, Mingzhe Hu, Qiang Li +2

Recent advances in large language models (LLMs) have enabled general-purpose systems to perform increasingly complex domain-specific reasoning without extensive fine-tuning. In the…

cs.CV2025

Generalizable 7T T1-map Synthesis from 1.5T and 3T T1 MRI with an Efficient Transformer Model

Zach Eidex, Mojtaba Safari, Tonghe Wang +6

Purpose: Ultra-high-field 7T MRI offers improved resolution and contrast over standard clinical field strengths (1.5T, 3T). However, 7T scanners are costly, scarce, and introduce a…

cs.CV2025

Unifying Biomedical Vision-Language Expertise: Towards a Generalist Foundation Model via Multi-CLIP Knowledge Distillation

Shansong Wang, Zhecheng Jin, Mingzhe Hu +7

CLIP models pretrained on natural images with billion-scale image-text pairs have demonstrated impressive capabilities in zero-shot classification, cross-modal retrieval, and open-…

physics.med-ph2025★ 2 cited

A Digital Twin Framework for Adaptive Treatment Planning in Radiotherapy

Chih-Wei Chang, Sri Sai Akkineni, Mingzhe Hu +7

The development of a digital twin (DT) framework for fast online adaptive proton therapy planning in prostate stereotactic body radiation therapy (SBRT) with dominant intraprostati…

cs.CV2025★ 3 cited

Res-MoCoDiff: Residual-guided diffusion models for motion artifact correction in brain MRI

Mojtaba Safari, Shansong Wang, Qiang Li +5

Objective. Motion artifacts in brain MRI, mainly from rigid head motion, degrade image quality and hinder downstream applications. Conventional methods to mitigate these artifacts,…

cs.CV2025★ 13 cited

MRI super-resolution reconstruction using efficient diffusion probabilistic model with residual shifting

Mojtaba Safari, Shansong Wang, Zach Eidex +4

Objective:This study introduces a residual error-shifting mechanism that drastically reduces sampling steps while preserving critical anatomical details, thus accelerating MRI reco…