2D and 3D X-ray phase retrieval of multi-material objects using a single defocus distance
A method of tomographic phase retrieval is developed for multi-material objects whose
components each has a distinct complex refractive index. The phase-retrieval algorithm …
components each has a distinct complex refractive index. The phase-retrieval algorithm …
Phase retrieval in quantitative x-ray microtomography with a single sample-to-detector distance
RC Chen, HL Xie, L Rigon, R Longo, E Castelli… - Optics Letters, 2011 - opg.optica.org
Phase retrieval extracts quantitative phase information from x-ray propagation-based phase-
contrast images. Notwithstanding inherent approximations, phase retrieval using a single …
contrast images. Notwithstanding inherent approximations, phase retrieval using a single …
X-ray phase, absorption and scatter retrieval using two or more phase contrast images
We have developed two phase-retrieval techniques for analyser-based phase contrast
imaging that provide information about an object's X-ray absorption, refraction and scattering …
imaging that provide information about an object's X-ray absorption, refraction and scattering …
Phase and absorption retrieval using incoherent X-ray sources
PRT Munro, K Ignatyev… - Proceedings of the …, 2012 - National Acad Sciences
X-ray phase contrast imaging has overcome the limitations of X-ray absorption imaging in
many fields. Particular effort has been directed towards developing phase retrieval methods …
many fields. Particular effort has been directed towards developing phase retrieval methods …
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 …
Phase retrieval in X-ray phase-contrast imaging suitable for tomography
A Burvall, U Lundström, PAC Takman, DH Larsson… - Optics express, 2011 - opg.optica.org
In-line phase-contrast X-ray imaging provides images where both absorption and refraction
contribute. For quantitative analysis of these images, the phase needs to be retrieved …
contribute. For quantitative analysis of these images, the phase needs to be retrieved …
[PDF][PDF] Single-image phase retrieval using an edge illumination X-ray phase-contrast imaging setup
PC Diemoz, FA Vittoria, CK Hagen… - Journal of …, 2015 - journals.iucr.org
A method is proposed which enables the retrieval of the thickness or of the projected
electron density of a sample from a single input image acquired with an edge illumination …
electron density of a sample from a single input image acquired with an edge illumination …
Phase retrieval from one single phase contrast x-ray image
X Wu, A Yan - Optics express, 2009 - opg.optica.org
Phase retrieval is required for achieving artifact-free x-ray phase-sensitive 3D imaging. A
phase-retrieval approach based on the phase-attenuation duality with high energy x-rays …
phase-retrieval approach based on the phase-attenuation duality with high energy x-rays …
Single-distance phase retrieval at large phase shifts
J Moosmann, R Hofmann, T Baumbach - Optics express, 2011 - opg.optica.org
For coherent X-ray imaging of pure phase objects we study the reliability of linear relations
in phase-retrieval algorithms based on a single intensity map after free-space propagation …
in phase-retrieval algorithms based on a single intensity map after free-space propagation …
Three-dimensional phase retrieval in propagation-based phase-contrast imaging
We present a solution to the phase problem in near-field x-ray (propagation) imaging. The
three-dimensional complex-valued index of refraction is reconstructed from a set of …
three-dimensional complex-valued index of refraction is reconstructed from a set of …