Effectiveness of X-ray phase-contrast tomography: effects of pixel size and magnification on image noise

L Brombal - Journal of Instrumentation, 2020 - iopscience.iop.org
Noise magnitude in conventional attenuation X-ray tomography (CT) is strongly dependent
on the pixel size and/or the geometrical magnification, thereby limiting the possibility of …

Investigation of the imaging quality of synchrotron-based phase-contrast mammographic tomography

TE Gureyev, SC Mayo, YI Nesterets… - Journal of Physics D …, 2014 - iopscience.iop.org
We report the results of a systematic study of phase-contrast x-ray computed tomography in
the propagation-based and analyser-based modes using specially designed phantoms and …

Noise propagation in x-ray phase-contrast imaging and computed tomography

YI Nesterets, TE Gureyev - Journal of Physics D: Applied Physics, 2014 - iopscience.iop.org
Three phase-retrieval algorithms, based on the transport-of-intensity equation and on the
contrast transfer function for propagation-based imaging, and on the linearized geometrical …

Noise texture and signal detectability in propagation‐based x‐ray phase‐contrast tomography

CY Chou, MA Anastasio - Medical physics, 2010 - Wiley Online Library
Purpose X‐ray phase‐contrast tomography (PCT) is a rapidly emerging imaging modality for
reconstructing estimates of an object's three‐dimensional x‐ray refractive index distribution …

Revising the lower statistical limit of x-ray grating-based phase-contrast computed tomography

M Marschner, L Birnbacher, M Willner, M Chabior… - Plos one, 2017 - journals.plos.org
Phase-contrast x-ray computed tomography (PCCT) is currently investigated as an
interesting extension of conventional CT, providing high soft-tissue contrast even if …

Phase-contrast breast CT: the effect of propagation distance

L Brombal, S Donato, D Dreossi, F Arfelli… - Physics in Medicine …, 2018 - iopscience.iop.org
X-ray phase imaging has the potential to dramatically improve soft tissue contrast sensitivity,
which is a crucial requirement in many diagnostic applications such as breast imaging. In …

In vitro validation of an artefact suppression algorithm in x-ray phase-contrast computed tomography

N Sunaguchi, T Yuasa, S Hirano, R Gupta, M Ando - PloS one, 2015 - journals.plos.org
X-ray phase-contrast tomography can significantly increase the contrast-resolution of
conventional attenuation-contrast imaging, especially for soft-tissue structures that have very …

On the relative performance of edge illumination x‐ray phase‐contrast CT and conventional, attenuation‐based CT

CK Hagen, PC Diemoz, A Olivo - Medical Physics, 2017 - Wiley Online Library
Purpose This article is aimed at comparing edge illumination (EI) x‐ray phase contrast
computed tomography (PCT) and conventional (attenuation‐based) computed tomography …

Analytical evaluation of the signal and noise propagation in x-ray differential phase-contrast computed tomography

R Raupach, TG Flohr - Physics in Medicine & Biology, 2011 - iopscience.iop.org
We analyze the signal and noise propagation of differential phase-contrast computed
tomography (PCT) compared with conventional attenuation-based computed tomography …

Multiscale X-ray phase-contrast tomography: from breast CT to micro-CT for virtual histology

LMA Peña, S Donato, D Bonazza, L Brombal… - Physica Medica, 2023 - Elsevier
Phase-contrast imaging techniques address the issue of poor soft-tissue contrast
encountered in traditional X-ray imaging. This can be accomplished with the propagation …