Fast algorithms for nonlinear and constrained phase retrieval in near-field X-ray holography based on Tikhonov regularization
S Huhn, LM Lohse, J Lucht, T Salditt - Optics Express, 2022 - opg.optica.org
Based on phase retrieval, lensless coherent imaging and in particular holography offers
quantitative phase and amplitude images. This is of particular importance for spectral ranges …
quantitative phase and amplitude images. This is of particular importance for spectral ranges …
Simultaneous maximum-likelihood reconstruction for x-ray grating based phase-contrast tomography avoiding intermediate phase retrieval
A Ritter, F Bayer, J Durst, K Gödel, W Haas… - arXiv preprint arXiv …, 2013 - arxiv.org
Phase-wrapping artifacts, statistical image noise and the need for a minimum amount of
phase steps per projection limit the practicability of x-ray grating based phase-contrast …
phase steps per projection limit the practicability of x-ray grating based phase-contrast …
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 …
phase contrast X-ray images, different types of imaging mechanisms have been proposed …
Evaluation of phase retrieval approaches in magnified X-ray phase nano computerized tomography applied to bone tissue
B Yu, L Weber, A Pacureanu, M Langer, C Olivier… - Optics …, 2018 - opg.optica.org
X-ray phase contrast imaging offers higher sensitivity compared to conventional X-ray
attenuation imaging and can be simply implemented by propagation when using a partially …
attenuation imaging and can be simply implemented by propagation when using a partially …
Quantitative phase imaging with polychromatic x-ray sources
We introduce theoretically and demonstrate experimentally a contrast transfer function
based phase retrieval algorithm that reconstructs the projected thickness of an …
based phase retrieval algorithm that reconstructs the projected thickness of an …
Theoretical study on high order interior tomography
In this paper, we study a new type of high order interior problems characterized by high
order differential phase shift measurement. This problem is encountered in local x-ray phase …
order differential phase shift measurement. This problem is encountered in local x-ray phase …
X-ray phase-contrast imaging: a broad overview of some fundamentals
DM Paganin, D Pelliccia - Advances in Imaging and Electron Physics, 2021 - Elsevier
We outline some basics of imaging using both fully-coherent and partially-coherent X-ray
beams, with an emphasis on phase-contrast imaging. We open with some of the basic …
beams, with an emphasis on phase-contrast imaging. We open with some of the basic …
Quantitative comparison of direct phase retrieval algorithms in in‐line phase tomography
A well‐known problem in x‐ray microcomputed tomography is low sensitivity. Phase contrast
imaging offers an increase of sensitivity of up to a factor of in the hard x‐ray region, which …
imaging offers an increase of sensitivity of up to a factor of in the hard x‐ray region, which …
[HTML][HTML] Nonlinear statistical iterative reconstruction for propagation-based phase-contrast tomography
Propagation-based phase-contrast tomography has become a valuable tool for visualization
of three-dimensional biological samples, due to its high sensitivity and its potential in …
of three-dimensional biological samples, due to its high sensitivity and its potential in …
On x-ray phase imaging with a point source
TE Gureyev, SW Wilkins - JOSA A, 1998 - opg.optica.org
A theoretical analysis of the in-line method of x-ray phase-contrast imaging with a small
(microfocus) source is presented. By applying the stationary-phase formula to the Fresnel …
(microfocus) source is presented. By applying the stationary-phase formula to the Fresnel …