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Stability of phase-contrast tomography

Myers, Glenn R.; Gureyev, Timur E.; Paganin, David M


Phase-contrast tomography (PCT) allows three-dimensional imaging of objects that display insufficient contrast for conventional absorption-based tomography. We prove that PCT is stable with respect to high frequency noise in experimental phase-contrast data, unlike conventional tomography, which is known to be mildly unstable. We use known properties of the three-dimensional x-ray transform and transport-of-intensity equation to construct a matrix representation of the forward PCT operator....[Show more]

CollectionsANU Research Publications
Date published: 2007-09
Type: Journal article
Source: Journal of the Optical Society of America A
DOI: 10.1364/JOSAA.24.002516


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