Mitigation of motion‐induced artifacts in cone beam computed tomography using deep convolutional neural networks

M Amirian, JA Montoya‐Zegarra, I Herzig… - Medical …, 2023 - Wiley Online Library
Background Cone beam computed tomography (CBCT) is often employed on radiation
therapy treatment devices (linear accelerators) used in image‐guided radiation therapy …

Data-driven rapid 4D cone-beam CT reconstruction for new generation linacs

M Gardner, O Dillon, H Byrne, P Keall… - Physics in Medicine & …, 2024 - iopscience.iop.org
Objective. Newer generation linear accelerators (Linacs) allow 20 s cone-beam CT (CBCT)
acquisition which reduces radiation therapy treatment time. However, the current clinical …

Extended intraoperative longitudinal 3-dimensional cone beam computed tomography imaging with a continuous multi-turn reverse helical scan

T Reynolds, YQ Ma, AJ Kanawati… - Investigative …, 2022 - journals.lww.com
Objectives Cone beam computed tomography (CBCT) imaging is becoming an
indispensable intraoperative tool; however, the current field of view prevents visualization of …

The first-in-human implementation of adaptive 4D cone beam CT for lung cancer radiotherapy: 4DCBCT in less time with less dose

RT O'Brien, O Dillon, B Lau, A George, S Smith… - Radiotherapy and …, 2021 - Elsevier
Background and purpose We present the first implementation of Adaptive 4D cone beam CT
(4DCBCT) that adapts the image hardware (gantry rotation speed and kV projections) in …

Deep Learning for Robust and Explainable Models in Computer Vision

M Amirian - ar** the next generation of cardiac cone beam CT imaging
T Reynolds, O Dillon, J Prinable, B Whelan… - Medical …, 2021 - Wiley Online Library
Purpose An important factor when considering the use of interventional cone beam
computed tomography (CBCT) imaging during cardiac procedures is the trade‐off between …

X-ray source arrays for volumetric imaging during radiotherapy treatment

O Dillon, T Reynolds, RT O'Brien - Scientific Reports, 2023 - nature.com
This work presents a novel hardware configuration for radiotherapy systems to enable fast
3D X-ray imaging before and during treatment delivery. Standard external beam …

Reducing 4DCBCT scan time and dose through motion compensated acquisition and reconstruction

BKF Lau, T Reynolds, A Wallis, S Smith… - Physics in Medicine …, 2021 - iopscience.iop.org
Conventional 4DCBCT captures 1320 projections across 4 min. Adaptive 4DCBCT has
been developed to reduce imaging dose and scan time. This study investigated …