Improving radiation physics, tumor visualisation, and treatment quantification in radiotherapy with spectral or dual‐energy CT
MF Kruis - Journal of applied clinical medical physics, 2022 - Wiley Online Library
Over the past decade, spectral or dual‐energy CT has gained relevancy, especially in
oncological radiology. Nonetheless, its use in the radiotherapy (RT) clinic remains limited …
oncological radiology. Nonetheless, its use in the radiotherapy (RT) clinic remains limited …
Towards subpercentage uncertainty proton stopping‐power mapping via dual‐energy CT: Direct experimental validation and uncertainty analysis of a statistical …
Purpose To assess the potential of a joint dual‐energy computerized tomography (CT)
reconstruction process (statistical image reconstruction method built on a basis vector model …
reconstruction process (statistical image reconstruction method built on a basis vector model …
Impact of joint statistical dual‐energy CT reconstruction of proton stopping power images: comparison to image‐and sinogram‐domain material decomposition …
Purpose The purpose of this study was to assess the performance of a novel dual‐energy
CT (DECT) approach for proton stopping power ratio (SPR) mapping that integrates image …
CT (DECT) approach for proton stopping power ratio (SPR) mapping that integrates image …
On the conditioning of spectral channelization (energy binning) and its impact on multi-material decomposition based spectral imaging in photon-counting CT
Objective: The conditioning (well-posedness) of basis materials (functions) and spectral
channelization play important roles in determining the performance of spectral imaging …
channelization play important roles in determining the performance of spectral imaging …
Impact of four kVp combinations available in a dual‐source CT on the spectral performance of abdominal imaging: A task‐based image quality assessment on …
J Greffier, J Frandon, A Sadate… - Journal of Applied …, 2021 - Wiley Online Library
Purpose To compare the spectral performance of four combinations of kVp available in a
third generation dual‐source CT (DSCT) on abdominal imaging. Methods An image‐quality …
third generation dual‐source CT (DSCT) on abdominal imaging. Methods An image‐quality …
Experimental implementation of a joint statistical image reconstruction method for proton stopping power mapping from dual‐energy CT data
Purpose To experimentally commission a dual‐energy CT (DECT) joint statistical image
reconstruction (JSIR) method, which is built on a linear basis vector model (BVM) of material …
reconstruction (JSIR) method, which is built on a linear basis vector model (BVM) of material …
[HTML][HTML] A beam-specific optimization target volume for stereotactic proton pencil beam scanning therapy for locally advanced pancreatic cancer
Purpose We investigate two margin-based schemes for optimization target volumes (OTV),
both isotropic expansion (2 mm) and beam-specific OTV, to account for uncertainties due to …
both isotropic expansion (2 mm) and beam-specific OTV, to account for uncertainties due to …
[HTML][HTML] Preliminary X-ray CT investigation to link Hounsfield unit measurements with the International System of Units (SI)
ZH Levine, AP Peskin, AD Holmgren, EJ Garboczi - Plos one, 2018 - journals.plos.org
Purpose This paper lays the groundwork for linking Hounsfield unit measurements to the
International System of Units (SI), ultimately enabling traceable measurements across X-ray …
International System of Units (SI), ultimately enabling traceable measurements across X-ray …
Dual-energy computed tomography pulmonary angiography: comparison of vessel enhancement between linear blended and virtual monoenergetic reconstruction …
A Murphy, J Cheng, J Pratap, R Redman… - Journal of Medical …, 2019 - Elsevier
Introduction Optimal opacification of the pulmonary vasculature is a fundamental factor of a
diagnostic quality computed tomography pulmonary angiogram (CTPA). This retrospective …
diagnostic quality computed tomography pulmonary angiogram (CTPA). This retrospective …
[HTML][HTML] Estimation of Proton Stopping Power Ratio and Mean Excitation Energy Using Electron Density and Its Applications via Machine Learning Approach
CE Chika - Journal of Medical Physics, 2024 - journals.lww.com
Purpose: The purpose of this study was to develop a simple flexible method for accurate
estimation of stopping power ratio (SPR) and mean excitation energy (I) using relative …
estimation of stopping power ratio (SPR) and mean excitation energy (I) using relative …