Dual phase grating based x-ray differential phase contrast imaging with source grating: theory and validation

Y Ge, J Chen, P Zhu, J Yang, S Deng, W Shi… - Optics …, 2020 - opg.optica.org
… In contrast to the previously defined symmetric dual phase grating interferometer system,
we call such a dual phase grating imaging system as asymmetric dual phase grating …

Adding delayed phase images to dual-phase contrast-enhanced CT increases sensitivity for small pancreatic ductal adenocarcinoma

Y Fukukura, Y Kumagae, Y Fujisaki… - American Journal of …, 2021 - Am Roentgen Ray Soc
phase images to a dual-phase contrast-enhanced CT protocol for the detection of small PDACs.
Triple-phase images … accuracy and sensitivity than dual-phase images. The detection of …

Dual energy differential phase contrast CT (DE-DPC-CT) imaging

X Ji, R Zhang, K Li, GH Chen - … on medical imaging, 2020 - ieeexplore.ieee.org
… In contrast, the proposed method leverages the mutually complementary information provided
by the absorption contrast and phase contrast images … signal bias in DPC imaging. Due to …

Improved 3D phase contrast MRI with off‐resonance corrected dual echo VIPR

KM Johnson, DP Lum, PA Turski… - … in Medicine: An …, 2008 - Wiley Online Library
… are ill suited for radial phase contrast MRI. Figure 1 shows a modified dual-echo VIPR
trajectory designed to optimize the acquisition for phase contrast imaging. The corresponding 0 th …

Four‐dimensional phase contrast MRI with accelerated dual velocity encoding

EJ Nett, KM Johnson, A Frydrychowicz… - … Resonance Imaging, 2012 - Wiley Online Library
… In this study, a dual V enc (dV enc ) reconstruction approach on the basis of phase
contrast … PC VIPR is a 3D radially undersampled phase contrast sequence with three-directional …

Preliminary research on dual-energy X-ray phase-contrast imaging

HJ Han, SH Wang, K Gao, ZL Wang, C Zhang… - Chinese …, 2016 - iopscience.iop.org
… data and potential applications of the new dual-energy phase-contrast imaging method. …
the image quality. Hence we hope to develop a flexible dual-energy phase-contrast imaging

Dual focal‐spot imaging for phase extraction in phasecontrast radiography

EF Donnelly, RR Price, DR Pickens - Medical Physics, 2003 - Wiley Online Library
dual focal spot imaging as a method for extracting the phase component from a phase-contrast
radiography image. All … focal spot sizes to produce matched image pairs in which all other …

Hepatic blood supply: comparison of optimized dual phase contrast-enhanced three-dimensional MR angiography and digital subtraction angiography

L Kopka, J Rodenwaldt, R Vosshenrich, U Fischer… - Radiology, 1999 - pubs.rsna.org
… a four-channel body phased-array coil. In all cases, nonenhanced and dual phase
contrast-enhanced examinations were performed with an unchanged fast imaging with steady-state …

[HTML][HTML] Damage micromechanisms in dual-phase steel investigated with combined phase-and absorption-contrast tomography

H Toda, A Takijiri, M Azuma, S Yabu, K Hayashi, D Seo… - Acta Materialia, 2017 - Elsevier
… Each high-resolution absorption-contrast image was registered with a corresponding
phase-contrast image, to analyse damage evolution behaviour. The loading step at which each …

Simulation study on x-ray phase contrast imaging with dual-phase gratings

J Bopp, V Ludwig, M Seifert, G Pelzer, A Maier… - International Journal of …, 2019 - Springer
… We show that the Lau condition for a dual-phase grating setup requires the interference
patterns of the first phase grating to constructively overlay at the second phase grating. …