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15 February 2021 Incorporating dark-field information in mesh-based x-ray phase imaging
Uttam Pyakurel, Desirée D'Moore, Pikting Cheung, Bushra Kanwal, Xiaoyun Zhang, C. A. MacDonald, Jonathan C. Petruccelli
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Proceedings Volume 11595, Medical Imaging 2021: Physics of Medical Imaging; 115951M (2021) https://doi.org/10.1117/12.2582192
Event: SPIE Medical Imaging, 2021, Online Only
Abstract
X-ray phase imaging has found limited clinical use due to requirements on x-ray coherence that may not be easily translated to clinical practice. Instead, this work employs a conventional source to create structured illumination with a simple wire mesh. The system has been employed to produce high contrast absorption images with simultaneous differential phase contrast images. In previous work we have demonstrated accurate quantitative phase extraction. In this work, we have incorporated the dark field information to successfully reveal additional structure in low contrast objects.
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Uttam Pyakurel, Desirée D'Moore, Pikting Cheung, Bushra Kanwal, Xiaoyun Zhang, C. A. MacDonald, and Jonathan C. Petruccelli "Incorporating dark-field information in mesh-based x-ray phase imaging", Proc. SPIE 11595, Medical Imaging 2021: Physics of Medical Imaging, 115951M (15 February 2021); https://doi.org/10.1117/12.2582192
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KEYWORDS
X-ray imaging
X-rays
Phase imaging
Absorption
Coherence (optics)
Phase contrast
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