Dark-field computed tomography reaches the human scale

M Viermetz, N Gustschin, C Schmid… - Proceedings of the …, 2022 - National Acad Sciences
X-ray computed tomography (CT) is one of the most commonly used three-dimensional
medical imaging modalities today. It has been refined over several decades, with the most …

Initial characterization of dark-field CT on a clinical gantry

M Viermetz, N Gustschin, C Schmid… - … on Medical Imaging, 2022 - ieeexplore.ieee.org
X-ray computed tomography (CT) is an important non-destructive imaging technique,
particularly in clinical diagnostics. Even with the latest innovations like dual-energy and …

Modeling vibrations of a tiled talbot-lau interferometer on a clinical CT

C Schmid, M Viermetz, N Gustschin… - … on Medical Imaging, 2022 - ieeexplore.ieee.org
X-ray computed tomography (CT) is an invaluable imaging technique for non-invasive
medical diagnosis. However, for soft tissue in the human body the difference in attenuation …

Analyzer-free hard x-ray interferometry

M Bertilson, O von Hofsten, JS Maltz… - Physics in Medicine …, 2024 - iopscience.iop.org
Objective. To enable practical interferometry-based phase contrast CT using standard
incoherent x-ray sources, we propose an imaging system where the analyzer grating is …

Discrimination analysis of breast calcifications using x‐ray dark‐field radiography

T Rauch, J Rieger, G Pelzer, F Horn, R Erber… - Medical …, 2020 - Wiley Online Library
Background X‐ray dark‐field radiography could enhance mammography by providing more
information on imaged tissue and microcalcifications. The dark field signal is a measure of …

Exploration of different x-ray Talbot–Lau setups for dark-field lung imaging examined in a porcine lung

V Ludwig, M Seifert, C Hauke, K Hellbach… - Physics in Medicine …, 2019 - iopscience.iop.org
X-ray dark-field imaging is a promising technique for lung diagnosis. Due to the alveolar
structure of lung tissue, a higher contrast is obtained by the dark-field image compared to the …

TIA: A forward model and analyzer for Talbot interferometry experiments of dense plasmas

G Pérez-Callejo, V Bouffetier, L Ceurvorst… - Physics of …, 2022 - pubs.aip.org
Interferometry is one of the most sensitive and successful diagnostic methods for plasmas.
However, owing to the design of most common interferometric systems, the wavelengths of …

Contrast-to-noise ratios and thickness-normalized, ventilation-dependent signal levels in dark-field and conventional in vivo thorax radiographs of two pigs

F De Marco, K Willer, LB Gromann, J Andrejewski… - PLoS …, 2019 - journals.plos.org
Lung tissue causes significant small-angle X-ray scattering, which can be visualized with
grating-based X-ray dark-field imaging. Structural lung diseases alter alveolar …

Investigation on the mechanical interface stability of curved high aspect ratio x-ray gratings made by deep x-ray lithography

M Richter, T Beckenbach, H Daerr… - Journal of Micro …, 2022 - spiedigitallibrary.org
We describe the rationale for selecting graphite as a substrate material suitable for
manufacturing curved high-aspect ratio metallic x-ray gratings and experimentally validate …

Deep-learning-based denoising of X-ray differential phase and dark-field images

K Ren, Y Gu, M Luo, H Chen, Z Wang - European Journal of Radiology, 2023 - Elsevier
Purpose Statistical photon noise has always been a common problem in X-ray multi-contrast
imaging and significantly influenced the quality of retrieved differential phase and dark-field …