X-ray computed tomography

PJ Withers, C Bouman, S Carmignato… - Nature Reviews …, 2021 - nature.com
X-ray computed tomography (CT) can reveal the internal details of objects in three
dimensions non-destructively. In this Primer, we outline the basic principles of CT and …

Edge-illumination x-ray phase-contrast imaging

A Olivo - Journal of Physics: Condensed Matter, 2021 - iopscience.iop.org
Although early demonstration dates back to the mid-sixties, x-ray phase-contrast imaging
(XPCI) became hugely popular in the mid-90s, thanks to the advent of 3rd generation …

X-ray phase contrast imaging: From synchrotrons to conventional sources

A Olivo, E Castelli - La rivista del nuovo cimento, 2014 - Springer
Phase-based approaches can revolutionize X-ray imaging and remove its main limitation:
poor image contrast arising from low attenuation differences. They exploit the unit decrement …

Low‐dose phase contrast tomography with conventional x‐ray sources

CK Hagen, PRT Munro, M Endrizzi, PC Diemoz… - Medical …, 2014 - Wiley Online Library
Purpose: The edge illumination (EI) x‐ray phase contrast imaging (XPCi) method has been
recently further developed to perform tomographic and, thus, volumetric imaging. In this …

Absorption, refraction and scattering retrieval with an edge-illumination-based imaging setup

M Endrizzi, A Olivo - Journal of Physics D: Applied Physics, 2014 - iopscience.iop.org
We have recently developed a new method based on edge-illumination for retrieving a three-
image representation of the sample. A minimum of three intensity projections are required in …

The effect of a variable focal spot size on the contrast channels retrieved in edge-illumination x-ray phase contrast imaging

A Astolfo, I Buchanan, T Partridge, GK Kallon… - Scientific Reports, 2022 - nature.com
Multi-modal X-ray imaging allows the extraction of phase and dark-field (or “Ultra-small
Angle Scatter”) images alongside conventional attenuation ones. Recently, scan-based …

Virtual differential phase‐contrast and dark‐field imaging of x‐ray absorption images via deep learning

X Ge, P Yang, Z Wu, C Luo, P Jin… - Bioengineering & …, 2023 - Wiley Online Library
Weak absorption contrast in biological tissues has hindered x‐ray computed tomography
from accessing biological structures. Recently, grating‐based imaging has emerged as a …

[PDF][PDF] Single-image phase retrieval using an edge illumination X-ray phase-contrast imaging setup

PC Diemoz, FA Vittoria, CK Hagen… - Journal of …, 2015 - journals.iucr.org
A method is proposed which enables the retrieval of the thickness or of the projected
electron density of a sample from a single input image acquired with an edge illumination …

High contrast microstructural visualization of natural acellular matrices by means of phase-based x-ray tomography

CK Hagen, P Maghsoudlou, G Totonelli, PC Diemoz… - Scientific reports, 2015 - nature.com
Acellular scaffolds obtained via decellularization are a key instrument in regenerative
medicine both per se and to drive the development of future-generation synthetic scaffolds …

X-ray phase-contrast imaging with polychromatic sources and the concept of effective energy

PRT Munro, A Olivo - Physical Review A—Atomic, Molecular, and Optical …, 2013 - APS
Grating-based quantitative polychromatic x-ray phase imaging is currently a very active area
of research. It has already been shown that, in such systems, the retrieved differential phase …