PET image denoising based on denoising diffusion probabilistic model

K Gong, K Johnson, G El Fakhri, Q Li, T Pan - European Journal of …, 2024 - Springer
Purpose Due to various physical degradation factors and limited counts received, PET
image quality needs further improvements. The denoising diffusion probabilistic model …

Convex optimization algorithms in medical image reconstruction—in the age of AI

J Xu, F Noo - Physics in Medicine & Biology, 2022 - iopscience.iop.org
The past decade has seen the rapid growth of model based image reconstruction (MBIR)
algorithms, which are often applications or adaptations of convex optimization algorithms …

CBCT-guided adaptive radiotherapy using self-supervised sequential domain adaptation with uncertainty estimation

N Ebadi, R Li, A Das, A Roy, P Nikos, P Najafirad - Medical Image Analysis, 2023 - Elsevier
Adaptive radiotherapy (ART) is an advanced technology in modern cancer treatment that
incorporates progressive changes in patient anatomy into active plan/dose adaption during …

Ultralow‐parameter denoising: trainable bilateral filter layers in computed tomography

F Wagner, M Thies, M Gu, Y Huang… - Medical …, 2022 - Wiley Online Library
Background Computed tomography (CT) is widely used as an imaging tool to visualize three‐
dimensional structures with expressive bone‐soft tissue contrast. However, CT resolution …

Joint synthesis and registration network for deformable MR-CBCT image registration for neurosurgical guidance

R Han, CK Jones, J Lee, X Zhang, P Wu… - Physics in Medicine …, 2022 - iopscience.iop.org
Objective. The accuracy of navigation in minimally invasive neurosurgery is often
challenged by deep brain deformations (up to 10 mm due to egress of cerebrospinal fluid …

Real-Time 3D Video Reconstruction for Guidance of Transventricular Neurosurgery

P Vagdargi, A Uneri, X Zhang, CK Jones… - … on Medical Robotics …, 2023 - ieeexplore.ieee.org
Neuroendoscopic approach to deep-brain targets imparts deformation of the ventricles and
adjacent parenchyma, limiting the accuracy of conventional neuronavigation. We report a …

Combining physics‐based models with deep learning image synthesis and uncertainty in intraoperative cone‐beam CT of the brain

X Zhang, A Sisniega, WB Zbijewski, J Lee… - Medical …, 2023 - Wiley Online Library
Background Image‐guided neurosurgery requires high localization and registration
accuracy to enable effective treatment and avoid complications. However, accurate …

Structure-preserved meta-learning uniting network for improving low-dose CT quality

M Zhu, Z Mao, D Li, Y Wang, D Zeng… - Physics in Medicine & …, 2022 - iopscience.iop.org
Objective. Deep neural network (DNN) based methods have shown promising performances
for low-dose computed tomography (LDCT) imaging. However, most of the DNN-based …

Stationary CT Imaging of Intracranial Hemorrhage with Diffusion Posterior Sampling Reconstruction

A Lopez-Montes, T McSkimming, A Skeats… - arxiv preprint arxiv …, 2024 - arxiv.org
Diffusion Posterior Sampling (DPS) can be used in Computed Tomography (CT)
reconstruction by leveraging diffusion-based generative models for unconditional image …

[HTML][HTML] Generative adversarial network with radiomic feature reproducibility analysis for computed tomography denoising

J Lee, J Jeon, Y Hong, D Jeong, Y Jang, B Jeon… - Computers in Biology …, 2023 - Elsevier
Background: Most computed tomography (CT) denoising algorithms have been evaluated
using image quality analysis (IQA) methods developed for natural image, which do not …