Výsledky vyhledávání - "Croughan, Michelle K"

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Separating edges from microstructure in X-ray dark-field imaging: Evolving and devolving perspectives via the X-ray Fokker-Planck equation

Autor: Alloo, Samantha J., Paganin, David M., Croughan, Michelle K., Ahlers, Jannis N., Pavlov, Konstantin M., Morgan, Kaye S.

A key contribution to X-ray dark-field (XDF) is X-ray diffusion by sample structures smaller than the imaging system's spatial resolution. However, some XDF techniques report that resolvable sample edges also generate XDF. Speckle-based X-ray imaging

Externí odkaz: http://arxiv.org/abs/2410.18317

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Correcting directional dark-field x-ray imaging artefacts using position-dependent image deblurring and attenuation removal

Autor: Croughan, Michelle K, Paganin, David M, Alloo, Samantha J, Ahlers, Jannis N, How, Ying Ying, Harker, Stephanie A, Morgan, Kaye S.

In recent years, a novel x-ray imaging modality has emerged that reveals unresolved sample microstructure via a "dark-field image", which provides complementary information to conventional "bright-field" images, such as attenuation and phase-contrast

Externí odkaz: http://arxiv.org/abs/2404.17612

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Directional dark-field retrieval with single-grid x-ray imaging

Autor: Croughan, Michelle K, How, Ying Ying, Pennings, Allan, Morgan, Kaye S

Publikováno v: Optics Express Vol. 31, Issue 7, pp. 11578-11597 (2023)

Directional dark-field imaging is an emerging x-ray modality that is sensitive to unresolved anisotropic scattering from sub-pixel sample microstructures. A single-grid imaging set-up can be used to capture dark-field images by looking at changes in

Externí odkaz: http://arxiv.org/abs/2211.11757

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Fast implicit diffusive dark-field retrieval for single-exposure, single-mask x-ray imaging

Autor: Beltran, Mario A., Paganin, David M., Croughan, Michelle K., Morgan, Kaye S.

Complementary to conventional and phase X-ray radiography, dark-field imaging has become central in visualizing diffusive scattering signal due to the spatially-unresolved texture within an object. To date most diffusive-dark-field retrieval methods

Externí odkaz: http://arxiv.org/abs/2211.07399

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