Angular signal radiography

P Li, K Zhang, Y Bao, Y Ren, Z Ju, Y Wang, Q He… - Optics …, 2016 - opg.optica.org
Microscopy techniques using visible photons, x-rays, neutrons, and electrons have made
remarkable impact in many scientific disciplines. The microscopic data can often be …

X-ray phase-sensitive microscope imaging with a grating interferometer: Theory and simulation

J Yang, P Zhu, D Liang, H Zheng, Y Ge - Chinese Physics B, 2022 - iopscience.iop.org
A general theoretical framework is presented to explain the formation of the phase signal in
an x-ray microscope integrated with a grating interferometer, which simultaneously enables …

Adaptive weighted total variation regularized phase retrieval in differential phase-contrast imaging

Y Wang, W Huang, Q He, Z Zhu, J Zhang… - Optical …, 2018 - spiedigitallibrary.org
Phase retrieval with unidirectional differential phase-contrast image requires integration with
noisy data, which is an illposed inverse problem. Conventional direct integration method …

Sampling grating approach for X-ray differential phase contrast imaging

Y Du, X Liu, J Huang, Y Lei, Z Zhao, D Lin, J Guo… - Optics …, 2015 - opg.optica.org
Grating-based X-ray differential phase contrast imaging (GDPCI) typically employs the
phase-stepping technique to extract an object's phase information. This method requires …

[PDF][PDF] A novel crystal-analyzer phase retrieval algorithm and its noise property

Y Bao, Y Wang, P Li, Z Wu, Q Shao, K Gao… - Journal of …, 2015 - journals.iucr.org
A description of the rocking curve in diffraction enhanced imaging (DEI) is presented in
terms of the angular signal response function and a simple multi-information retrieval …

Signal-to-noise ratio comparison of angular signal radiography and phase stepping method

W Faiz, P Zhu, R Hu, K Gao, Z Wu, Y Bao… - Chinese Physics …, 2017 - iopscience.iop.org
Grating-based x-ray phase contrast imaging has the potential to be applied in future medical
applications as it is compatible with both laboratory and synchrotron source. However …

Linear information retrieval method in X-ray grating-based phase contrast imaging and its interchangeability with tomographic reconstruction

Z Wu, K Gao, ZL Wang, QG Shao, RF Hu… - Journal of Applied …, 2017 - pubs.aip.org
In X-ray grating-based phase contrast imaging, information retrieval is necessary for
quantitative research, especially for phase tomography. However, numerous and repetitive …

Investigation of noise properties in grating-based x-ray phase tomography with reverse projection method

Y Bao, Y Wang, K Gao, ZL Wang, PP Zhu… - Chinese Physics …, 2015 - iopscience.iop.org
The relationship between noise variance and spatial resolution in grating-based x-ray phase
computed tomography (PCT) imaging is investigated with reverse projection extraction …

Cosine fitting radiography and computed tomography

PY Li, K Zhang, WX Huang, QX Yuan, Y Wang… - Chinese …, 2015 - iopscience.iop.org
A new method in diffraction-enhanced imaging computed tomography (DEI-CT) that follows
the idea developed by Chapman et al.[Chapman D, Thomlinson W, Johnston RE, Washburn …