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Proceedings Paper

Influence of imaging geometry on noise texture in x-ray in-line phase-contrast imaging
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Paper Abstract

X-ray in-line phase-contrast imaging is a technique that aims to reconstruct the projected absorption and refraction properties of an object. To achieve this, phase retrieval algorithms are employed. The statistical properties of the reconstructed images in phase-contrast imaging remain largely unexplored. In this work, the covariance structure of the absorption and refractive index images is derived analytically, to characterize the noise texture in quantitative in-line phase-contrast imaging. This information is utilized to investigate how object detectability is affected by specification of imaging geometry.

Paper Details

Date Published: 18 March 2008
PDF: 7 pages
Proc. SPIE 6913, Medical Imaging 2008: Physics of Medical Imaging, 69131Z (18 March 2008); doi: 10.1117/12.771756
Show Author Affiliations
Cheng-Ying Chou, National Taiwan Univ. (Taiwan)
Mark A. Anastasio, Illinois Institute of Technology (United States)


Published in SPIE Proceedings Vol. 6913:
Medical Imaging 2008: Physics of Medical Imaging
Jiang Hsieh; Ehsan Samei, Editor(s)

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