activity
20232026
most citedVirtual Lung Screening Trial (VLST): An In Silico Study Inspired by the National Lung Screening Trial for Lung Cancer Detection

10 citations · 11 across the 9 of their papers we have counts for

collaborators

10 papers

cs.CV2026

Task-Based CT Protocol Optimization Using Reinforcement Learning and Virtual Imaging Trials

Jiaqi Zou, David Fenwick, Vahid Tarokh +6

Protocol optimization in computed tomography (CT) aims to improve diagnostic image quality while reducing radiation dose, but the interdependence of acquisition and reconstruction…

physics.med-ph2026

Proton therapy range uncertainty reduction using vendor-agnostic tissue characterization on a virtual photon-counting CT head scan

S. Vrbaški, G. Stanić, S. Molinelli +4

In this work, we proposed virtual imaging simulators as an alternative approach to experimental validation of beam range uncertainty in complex patient geometry using a computation…

cs.CV2025

NodMAISI: Nodule-Oriented Medical AI for Synthetic Imaging

Fakrul Islam Tushar, Ehsan Samei, Cynthia Rudin +1

Objective: Although medical imaging datasets are increasingly available, abnormal and annotation-intensive findings critical to lung cancer screening, particularly small pulmonary…

cs.LG2025

Reinforcement Learning-Based Optimization of CT Acquisition and Reconstruction Parameters Through Virtual Imaging Trials

David Fenwick, Navid NaderiAlizadeh, Vahid Tarokh +7

Protocol optimization is critical in Computed Tomography (CT) to achieve high diagnostic image quality while minimizing radiation dose. However, due to the complex interdependencie…

stat.AP2025

Demographic Distribution Matching between real world and virtual phantom population

Dhrubajyoti Ghosh, Fakrul Islam Tushar, Lavsen Dahal +5

Virtual imaging trials (VITs) offer scalable and cost-effective tools for evaluating imaging systems and protocols. However, their translational impact depends on rigorous comparab…

cs.LG2025

Virtual Patients, Real Gains: Digital Twin-Based Simulated CT for Multitask Lung Nodule Analysis

Fakrul Islam Tushar, Lavsen Dahal, Paul Segars +1

AI-based lung cancer screening is constrained by scarce, annotated CT data, particularly for rare nodule presentations. We investigate whether physics-based, anatomy-informed simul…

physics.med-ph2024

Proceedings Virtual Imaging Trials in Medicine 2024

Ehsan Abadi, Aldo Badano, Predrag Bakic +14

This submission comprises the proceedings of the 1st Virtual Imaging Trials in Medicine conference, organized by Duke University on April 22-24, 2024. The listed authors serve as t…

eess.IV2024★ 1 cited

XCAT-3.0: A Comprehensive Library of Personalized Digital Twins Derived from CT Scans

Lavsen Dahal, Mobina Ghojoghnejad, Dhrubajyoti Ghosh +10

Virtual Imaging Trials (VIT) offer a cost-effective and scalable approach for evaluating medical imaging technologies. Computational phantoms, which mimic real patient anatomy and…

eess.IV2024★ 10 cited

Virtual Lung Screening Trial (VLST): An In Silico Study Inspired by the National Lung Screening Trial for Lung Cancer Detection

Fakrul Islam Tushar, Liesbeth Vancoillie, Cindy McCabe +16

Clinical imaging trials play a crucial role in advancing medical innovation but are often costly, inefficient, and ethically constrained. Virtual Imaging Trials (VITs) present a so…

cs.CV2023

Large Intestine 3D Shape Refinement Using Point Diffusion Models for Digital Phantom Generation

Kaouther Mouheb, Mobina Ghojogh Nejad, Lavsen Dahal +4

Accurate 3D modeling of human organs is critical for constructing digital phantoms in virtual imaging trials. However, organs such as the large intestine remain particularly challe…