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 …

An attenuation-partition based iterative phase retrieval algorithm for in-line phase-contrast imaging

A Yan, X Wu, H Liu - Optics Express, 2008 - opg.optica.org
For medical applications of the in-line phase-contrast x-ray imaging, phase retrieval is a
crucial step for quantitative imaging such as reconstructing the 3-D distribution of tissue …

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 …

Enhancing Contrast of Spatial Details in X-ray Phase-Contrast Imaging through Modified Fourier Filtering

B Yu, G Li, J Zhang, Y Wang, T Deng, R Sun, M Huang… - Photonics, 2023 - mdpi.com
In-line X-ray phase contrast imaging, which is simple to experiment with, provides
significantly higher sensitivity, compared to conventional X-ray absorption imaging. The …

[PDF][PDF] X-ray Phase Contrast Tomography

H DIERKS - portal.research.lu.se
X-ray microscopy and micro-tomography (µCT) are valuable non-destructive examination
methods in many disciplines such as bio-medical research, archaeometry, material science …

Robust phase retrieval for high resolution edge illumination x-ray phase-contrast computed tomography in non-ideal environments

A Zamir, M Endrizzi, CK Hagen, FA Vittoria, L Urbani… - Scientific Reports, 2016 - nature.com
Edge illumination x-ray phase contrast tomography is a recently developed imaging
technique which enables three-dimensional visualisation of low-absorbing materials …

Image reconstruction exploiting object sparsity in boundary-enhanced X-ray phase-contrast tomography

EY Sidky, MA Anastasio, X Pan - Optics express, 2010 - opg.optica.org
Propagation-based X-ray phase-contrast tomography (PCT) seeks to reconstruct information
regarding the complex-valued refractive index distribution of an object. In many applications …

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 …

Spectral propagation-based x-ray phase-contrast computed tomography

F Schaff, JA Pollock, KS Morgan… - Journal of Medical …, 2022 - spiedigitallibrary.org
Purpose: Propagation-based x-ray imaging (PBI) is a phase-contrast technique that is
employed in high-resolution imaging by introducing some distance between sample and …

Three-dimensional contrast-transfer-function approach in phase-contrast tomography

DA Thompson, YI Nesterets, KM Pavlov, TE Gureyev - JOSA A, 2023 - opg.optica.org
A new method is developed for 3D reconstruction of multimaterial objects using propagation-
based x-ray phase-contrast tomography (PB-CT) with phase retrieval via contrast-transfer …