Suppression of artifacts caused by phase errors and noises in X-ray phase computed tomography

S Tao, Z Tian, L Bai, Y Xu, C Kuang… - IEEE Photonics …, 2023 - ieeexplore.ieee.org
X-ray Differential phase contrast computed tomography (DPC-CT) is a useful tool to image
internal structure of tested sample, especially for low-Z materials. The image quality of the …

Suppressing multi-material and streak artifacts with an accelerated 3D iterative image reconstruction algorithm for in-line X-ray phase-contrast computed tomography

Y Zhao, M Zheng, Y Li, S Han, F Li, B Qi, D Liu… - Optics Express, 2022 - opg.optica.org
In-line X-ray phase-contrast computed tomography typically contains two independent
procedures: phase retrieval and computed tomography reconstruction, in which multi …

Optimization of image recording distances for quantitative X-ray in-line phase contrast imaging

Y Ren, C Chen, R Chen, G Zhou, Y Wang, T Xiao - Optics Express, 2011 - opg.optica.org
Compared to phase retrieval from single sample-to-detector distance (SDD) image, phase
retrieval with multiple SDD images could improve the precision in quantitative X-ray in-line …

A Fourier-domain algorithm for total-variation regularized phase retrieval in differential X-ray phase contrast imaging

JI Sperl, D Bequé, GP Kudielka, K Mahdi, PM Edic… - Optics express, 2014 - opg.optica.org
Phase retrieval in differential X-ray phase contrast imaging involves a one dimensional
integration step. In the presence of noise, standard integration methods result in image …

Phase retrieval for hard X-ray computed tomography of samples with hybrid compositions

H Liu, Y Ren, H Guo, Y Xue, H Xie, T Xiao… - Chinese Optics …, 2012 - opg.optica.org
X-ray tomography of samples containing both weakly and strongly absorbing materials are
necessary in material and biomedical imaging. Extending the validity of the phase …

Constrained Non-Linear Phase Retrieval for Single Distance X-ray Phase Contrast Tomography

KA Mohan, DY Parkinson, JA Cuadra - arXiv preprint arXiv:2009.10324, 2020 - arxiv.org
X-ray phase contrast tomography (XPCT) is widely used for 3D imaging of objects with weak
contrast in X-ray absorption index but strong contrast in refractive index decrement. To …

Synchrotron‐based high‐energy x‐ray phase sensitive microtomography for biomedical research

H Liu, X Wu, T Xiao - Medical physics, 2015 - Wiley Online Library
Purpose: Propagation‐based phase‐contrast CT (PPCT) utilizes highly sensitive phase‐
contrast technology applied to x‐ray microtomography. Performing phase retrieval on the …

A new image reconstruction method to improve noise properties in x-ray differential phase contrast computed tomography

K Li, N Bevins, J Zambelli… - Medical Imaging 2012 …, 2012 - spiedigitallibrary.org
The noise properties of differential phase contrast CT (DPC-CT) demonstrate some peculiar
features. It has been both theoretically and experimentally demonstrated that the noise …

Phase retrieval in in-line x-ray phase contrast imaging based on total variation minimization

A Kostenko, KJ Batenburg, H Suhonen, SE Offerman… - Optics express, 2013 - opg.optica.org
State-of-the-art techniques for phase retrieval in propagation based X-ray phase-contrast
imaging are aiming to solve an underdetermined linear system of equations. They …

Phase retrieval method for in-line phase contrast x-ray imaging and denoising by regularization

PC Lee - Optics express, 2015 - opg.optica.org
Phase contrast X-ray imaging is increasingly popular in the past decade. In order to acquire
phase contrast X-ray images, different types of imaging mechanisms have been proposed …