2026
A Theoretical Prediction of CT-based Radiomics Feature Variance to Improve the Performance Classification Models Honorable Mention Proceedings Article Forthcoming
In: International Conference on Image Formation in X-Ray Computed Tomography, Forthcoming, (Accepted. Top 4 Scoring Abstract!).
Diffusion Posterior Sampling for Interventional Vascular Reconstruction using Limited Angle and Sparse view data in 4D-DSA Proceedings Article Forthcoming
In: International Conference on Image Formation in X-Ray Computed Tomography, Forthcoming, (Accepted.).
Mixed Prior Diffusion Posterior Sampling for High Resolution CT Reconstruction Proceedings Article Forthcoming
In: International Conference on Image Formation in X-Ray Computed Tomography, Forthcoming, (Accepted.).
Simulation study of Scatter Rejection in Time-of-Flight CT Proceedings Article Forthcoming
In: International Conference on Image Formation in X-Ray Computed Tomography, Forthcoming, (Accepted.).
Differentiable Forward and Back Projectors for Gradient-Based Deformable Motion Estimation Proceedings Article Forthcoming
In: International Conference on Image Formation in X-Ray Computed Tomography, Forthcoming, (Accepted.).
Focal Spot Design Optimization for High-Resolution CT Honorable Mention Proceedings Article Forthcoming
In: International Conference on Image Formation in X-Ray Computed Tomography, Forthcoming, (Accepted. Top 4 Scoring Abstract!).
Forward and Back Projectors for Gradient-Based Rigid Motion Estimation in X-ray Imaging Honorable Mention Proceedings Article
In: SPIE Medical Imaging Conference, 2026, (Wagner Award Finalist!).
Theoretical prediction of bias in model-based material decomposition Proceedings Article
In: SPIE Medical Imaging, 2026.
Joint Estimation of Scatter and Material Maps in Volumetric Dual-Layer Cone-Beam CT Proceedings Article
In: SPIE Medical Imaging, 2026.
In Vitro Measurements of Vascular Occlusion during Transcatheter Arterial Embolization Proceedings Article
In: SPIE Medical Imaging , 2026.
Design of Multiple Focal Spots for High-Resolution CT Proceedings Article
In: SPIE Medical Imaging, 2026.
Joint Cone-Beam CT Reconstruction and Rigid Motion Compensation Proceedings Article
In: SPIE Medical Imaging Conference, 2026.
Diffusion Posterior Sampling for Tomographic Reconstruction with Mixed Resolution Priors Proceedings Article
In: SPIE Medical Imaging , 2026.
One-Step Material Decomposition using Spectral Diffusion Posterior Sampling in Sparse-View Dual-Layer CT Proceedings Article
In: SPIE Medical Imaging, 2026.
Evaluation of Fluence Reduction versus Sparsity for Diffusion Posterior Sampling Reconstruction in Low-Dose CT Proceedings Article
In: SPIE Medical Imaging, 2026.
A Generative Model of Lung Patches Conditioned on Radiomics Features Proceedings Article
In: SPIE Medical Imaging, 2026.
In: SPIE Medical Imaging, 2026.
Image-domain material decomposition for PCD CT with pixel-to-pixel variations Proceedings Article
In: SPIE Medical Imaging, 2026.
Projection-domain material decomposition for PCD CT with pixel-to-pixel variations Proceedings Article
In: SPIE Medical Imaging, 2026.
Quantitative enhancement of spectral imaging in photon-counting CT via dynamic energy thresholding Proceedings Article
In: SPIE Medical Imaging, 2026.
Conditional generative diffusion model for 3D trabecular bone synthesis with tunable microstructure Journal Article
In: Journal of Medical Imaging, vol. 13, iss. S1, pp. S11204-S11204, 2026.
2025
Differentiable forward and back-projector for rigid motion estimation in x-ray imaging Journal Article
In: IEEE Transactions on Biomedical Engineering, vol. Early Access, 2025.
Joint Temporal and Spectral Processing for Improved Digital Subtraction Angiography using Photon-Counting Detectors Journal Article
In: IEEE Trans. Biomedical Engineering, vol. 72, no. 12, pp. 3501-3514, 2025.
3D Diffusion Posterior Sampling CT Reconstruction Presentation
NSS-MIC-RTSD 2025, 01.11.2025.
Theoretical Bias Prediction in Model-based Material Decomposition Presentation
NSS-MIC-RTSD 2025, 01.11.2025.
Simultaneous Material Decomposition and Detector Calibration in Photon-Counting CT Presentation
NSS-MIC-RTSD 2025, 01.11.2025.
A Photon-Counting CT Simulator with Charge Sharing, Pulse Pileup, and Nonuniform Response Presentation
NSS-MIC-RTSD 2025, 01.11.2025.
Conformal risk control for semantic uncertainty quantification in computed tomography Proceedings Article
In: MICCAI, pp. 45-55, 2025.
Multi-Material Decomposition Using Spectral Diffusion Posterior Sampling Journal Article
In: IEEE Transactions on Biomedical Engineering, vol. 72, no. 8, pp. 2447-2461, 2025.
Communicating Variability in Deep Learning CT Reconstruction with Posterior Sampling Proceedings Article
In: International Meeting on Fully 3D Image Reconstruction in Radiology and Nuclear Medicine, 2025.
Volumetric Material Decomposition Using Spectral Diffusion Posterior Sampling with a Compressed Polychromatic Forward Model Proceedings Article
In: International Meeting on Fully 3D Image Reconstruction in Radiology and Nuclear Medicine, 2025.
Recovery of GLRLM Features in Degraded Images using Deep Learning and Image Property Models Proceedings Article
In: SPIE Medical Imaging, pp. 134062B, 2025.
Joint Estimation of Anatomy and Implants using a Mixed Prior Model Proceedings Article
In: SPIE Medical Imaging, pp. 134051I, 2025.
3D Diffusion Posterior Sampling for CT Reconstruction Proceedings Article
In: SPIE Medical Imaging, pp. 134050X, 2025.
Joint Reconstruction and Scatter Estimation in Cone-beam CT using Diffusion Posterior Sampling Proceedings Article
In: SPIE Medical Imaging, pp. 134050V, 2025.
Image-based metrics of arterial embolization endpoints using an in vitro model Proceedings Article
In: SPIE Medical Imaging, pp. 134080P, 2025.
A conditional generative diffusion model of trabecular bone with tunable microstructure Proceedings Article
In: SPIE Medical Imaging, pp. 134100B, 2025.
Fourier Diffusion Models: A Method to Control MTF and NPS in Score-Based Stochastic Image Generation Journal Article
In: IEEE Transactions on Medical Imaging, vol. Early Access, 2025.
2024
Generative Adversarial Networks with Radiomics Supervision for Lung Lesion Generation Journal Article
In: IEEE Trans. Biomedical Engineering, vol. 72, no. 1, pp. 286-296, 2024.
Deep Learning CT Image Restoration using System Blur and Noise Models Journal Article
In: Journal of Medical Imaging, vol. 12, no. 1, pp. 014003, 2024.
Diffusion Posterior Sampling for Nonlinear CT Reconstruction Honorable Mention Journal Article
In: Journal of Medical Imaging, vol. 11, iss. 4, pp. 043504 , 2024, (** Featured on Cover **).
CT Reconstruction using Nonlinear Diffusion Posterior Sampling with Detector Blur Modeling Proceedings Article
In: 8th International Conference on Image Formation in X-Ray Computed Tomography, pp. 30-33, 2024.
Multiple Focal Spots for High-Resolution Photon-Counting CT Proceedings Article
In: International Conference on Image Formation in X-Ray Computed Tomography, pp. 447-450, 2024.
Joint Material Decomposition and Scatter Estimation for Spectral CT Proceedings Article
In: International Conference on Image Formation in X-Ray Computed Tomography, pp. 186-189, 2024.
Simulating Pulmonary Nodules in Healthy Lung CT with Diffusion Networks Proceedings Article
In: AAPM Annual Meeting, 2024.
End-to-End Deep Learning Restoration of GLCM Features from Blurred and Noisy Images Proceedings Article
In: AAPM Annual Meeting, 2024.
Strategies for CT Reconstruction using Diffusion Posterior Sampling with a Nonlinear Model Journal Article Forthcoming
In: TBD, Forthcoming.
CT Material Decomposition using Spectral Diffusion Posterior Sampling Proceedings Article
In: 8th International Conference on Image Formation in X-Ray Computed Tomography, pp. 324-327, 2024.
Fully automatic online geometric calibration for non-circular cone-beam CT orbits using fiducials with unknown placement Journal Article
In: Medical Physics, vol. 51, iss. 5, pp. 3245-3264, 2024.
End-to-end deep learning restoration of GLCM features from blurred and noisy images Proceedings Article
In: Proc SPIE Medical Imaging, pp. 129271C, 2024.
Hybrid spectral CT system with clinical rapid kVp-switching X-ray tube and dual-layer detector for improved iodine quantification Proceedings Article
In: Proc SPIE Medical Imaging, pp. 129251K, 2024.
Diffusion posterior sampling for nonlinear CT reconstruction Proceedings Article
In: Proc SPIE Medical Imaging, pp. 1292519 , 2024.
Fourier diffusion for sparse CT reconstruction Proceedings Article
In: Proc SPIE Medical Imaging, pp. 1292516 , 2024.
Design optimization of a triple-layer flat-panel detector for three material decomposition Proceedings Article
In: Proc SPIE Medical Imaging, pp. 129250U , 2024.
2023
Joint Temporal and Multi-energy Processing for Photon-Counting Fluoroscopy Presentation
NSS-MIC-RTSD 2023, 04.11.2023.
Design and fabrication of 3D-printed patient-specific soft tissue and bone phantoms for CT imaging Journal Article
In: Scientific Reports, vol. 13, pp. 17495 , 2023.
Simulations of Immuno-Contrast CT to Optimize Spectral Instrumentation and Nanoparticle Contrast Agent Materials Proceedings Article
In: Proceedings of the 17th International Meeting on Fully 3D Image Reconstruction in Radiology and Nuclear Medicine, pp. 486-489, 2023.
Multi-material Decomposition with Triple Layer Flat-Panel Detector CBCT using Model-based and Deep Learning Approaches Honorable Mention Proceedings Article
In: Proceedings of the 17th International Meeting on Fully 3D Image Reconstruction in Radiology and Nuclear Medicine, 2023, (Poster Award).
A Joint Processing Strategy for Image Quality Improvement in 3D Digital Subtraction Angiography Proceedings Article
In: Proceedings of the 17th International Meeting on Fully 3D Image Reconstruction in Radiology and Nuclear Medicine, pp. 41-44, 2023.
How to trust your diffusion model: A convex optimization approach to conformal risk control Proceedings Article
In: International Conference on Machine Learning, pp. 33940-33960, 2023.
Tunable neural networks for CT image formation Journal Article
In: Journal of Medical Imaging, vol. 10, iss. 3, pp. 033501-033501, 2023.
A dense search challenge phantom fabricated with pixel-based 3D printing for precise detectability assessment Proceedings Article
In: Proc SPIE Medical Imaging, pp. 275-280, SPIE, 2023.
Deep learning CT image restoration using system blur models Proceedings Article
In: Proc SPIE Medical Imaging, pp. 950-955, SPIE, 2023.
Approaches for three material decomposition using a triple-layer flat-panel detector Proceedings Article
In: Proc SPIE Medical Imaging, pp. 182-187, SPIE, 2023.
PixelPrint: a collection of three-dimensional printed CT phantoms of different respiratory diseases Proceedings Article
In: Proc SPIE Medical Imaging, pp. 796-801, SPIE, 2023.
Quantitative dual-energy imaging of bone marrow edema using multi-source cone-beam CT with model-based decomposition Proceedings Article
In: Proc SPIE Medical Imaging, pp. 228-234, SPIE, 2023.
Task-driven CT image quality optimization for low-contrast lesion detectability with tunable neural networks Proceedings Article
In: Proc SPIE Medical Imaging, pp. 338-343, SPIE, 2023.
Multiple focal spots for high resolution CT Proceedings Article
In: Proc SPIE Medical Imaging, pp. 160-165, SPIE, 2023.
Three-material decomposition using a dual-layer flat panel detector in the presence of soft tissue motion Proceedings Article
In: Proc SPIE Medical Imaging, pp. 188-193, SPIE, 2023.
Revealing pelvic structures in the presence of metal hip prostheses via non-circular CBCT orbits Proceedings Article
In: Proc SPIE Medical Imaging, pp. 228-233, SPIE, 2023.
Extended longitudinal and lateral 3D imaging with a continuous dual‐isocenter CBCT scan Journal Article
In: Medical Physics, vol. 50, iss. 4, pp. 2372-2379, 2023.
Three-dimensional printing of patient-specific computed tomography lung phantoms: a reader study Journal Article
In: PNAS Nexus, vol. 2, iss. 3, pp. pgad026, 2023.
2022
PixelPrint: three-dimensional printing of patient-specific soft tissue and bone phantoms for CT Proceedings Article
In: 7th International Conference on Image Formation in X-Ray Computed Tomography, pp. 545-550, SPIE, 2022.
Practical workflow for arbitrary non-circular orbits for CT with clinical robotic C-arms Proceedings Article
In: 7th International Conference on Image Formation in X-Ray Computed Tomography, pp. 551-558, SPIE, 2022.
Local linearity analysis of deep learning CT denoising algorithms Proceedings Article
In: 7th International Conference on Image Formation in X-Ray Computed Tomography, pp. 123040T, SPIE, 2022.
Preliminary investigations of a novel dynamic CT collimator Proceedings Article
In: 7th International Conference on Image Formation in X-Ray Computed Tomography, pp. 61-66, 2022.
Model-based three-material decomposition in dual-energy CT using the volume conservation constraint Journal Article
In: Physics in Medicine and Biology, vol. 67, iss. 14, pp. 145006, 2022.
Universal orbit design for metal artifact elimination Journal Article
In: Physics in Medicine and Biology, vol. 67, iss. 11, 2022.
Extended Intraoperative Longitudinal 3-Dimensional Cone Beam Computed Tomography Imaging With a Continuous Multi-Turn Reverse Helical Scan Journal Article
In: Investigative Radiology, vol. 57, iss. 11, 2022.
Fast CBCT reconstruction using convolutional neural networks for arbitrary robotic C-arm orbits Proceedings Article
In: SPIE Medical Imaging, 2022.
Control of variance and bias in CT image processing with variational training of deep neural networks Honorable Mention Proceedings Article
In: SPIE Medical Imaging, 2022, (Wagner Award Finalist and 2nd Place Best Student Paper).
Performance assessment framework for neural network denoising Proceedings Article
In: SPIE Medical Imaging, 2022.
Data-dependent nonlinearity analysis in CT denoising CNNs Proceedings Article
In: SPIE Medical Imaging, SPIE, 2022.
Design Optimization of Spatial-Spectral Filters for Cone-Beam CT Material Decomposition Journal Article
In: IEEE Transactions on Medical Imaging, vol. 41, iss. 9, pp. 2399-2413, 2022.
Non-circular CBCT orbit design and realization on a clinical robotic C-arm for metal artifact reduction Proceedings Article
In: SPIE Medical Imaging, 2022.
Assessment of boundary discrimination performance in a printed phantom Proceedings Article
In: SPIE Medical Imaging, SPIE, 2022.
Tunable neural networks for multi-material image formation from spectral CT measurements Proceedings Article
In: 7th International Conference on Image Formation in X-Ray Computed Tomography, SPIE, 2022.
In: Medical Physics, vol. 49, iss. 2, pp. 825-835, 2022.
2021
High-resolution Model-based Material Decomposition in Dual-layer Flat-panel CBCT Journal Article
In: Medical Physics, vol. 48, iss. 10, pp. 6375-6387, 2021.
A prototype spatial–spectral CT system for material decomposition with energy‐integrating detectors Journal Article
In: Medical Physics, vol. 48, iss. 10, pp. 6401-6411, 2021.
Flat-panel Conebeam CT in the Clinic: History and Current State Journal Article
In: Journal of Medical Imaging, vol. 8, iss. 5, pp. 052115, 2021.
In: Medical Physics, pp. Submitted, 2021.
Non-Circular Orbits on a Clinical Robotic C-Arm for Reducing Metal Artifacts in Orthopedic Interventions Best Paper Presentation
AAPM Annual Meeting: John R. Cameron Early-Career Investigator Symposium, 25.07.2021, (First Place John R. Cameron Early-Career Investigator Symposium ).
Imaging from the cervical to the lumbar spine with a continuous multi-turn reverse helical 3D cone-beam CT scan Best Paper Presentation
AAPM Annual Meeting: Jack Fowler Early-Career Investigator Competition, 25.07.2021, (Jack Fowler Junior Investigator Award ).
Fast reconstruction of non-circular CBCT orbits using CNNs Proceedings Article
In: 16th International Meeting on Fully 3D Image Reconstruction in Radiology and Nuclear Medicine, 2021.
High Sensitivity Iodine Imaging by Combining Spectral CT Technologies Best Paper Proceedings Article
In: 16th International Meeting on Fully 3D Image Reconstruction in Radiology and Nuclear Medicine, 2021, (Best Oral Presentation Award ).
Image Properties Prediction in Nonlinear Model-based Reconstruction using a Perceptron Network Proceedings Article
In: Schramm, Georg; Rezaei, Ahmadreza; Thielemans, Kris; Nuyts, Johan (Ed.): Proceedings of the 16th Virtual International Meeting on Fully 3D Image Reconstruction in Radiology and Nuclear Medicine , pp. 250-253, 2021.
Spectral CT using a fine grid structure and varying x‐ray incidence angle Journal Article
In: Medical Physics, 2021.
Standardization of histogram- and gray-level co-occurrence matrices-based radiomics in the presence of blur and noise Journal Article
In: Physics in Medicine and Biology, vol. 66, no. 7, pp. 074004, 2021.
Direct reconstruction of anatomical change in low-dose lung nodule surveillance Journal Article
In: Journal of Medical Imaging, vol. 8, no. 2, pp. 023503, 2021.