Stability of phase-contrast tomography
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Myers, Glenn R.; Gureyev, Timur E.; Paganin, David M
Description
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]
Collections | ANU Research Publications |
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Date published: | 2007-09 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/100950 |
Source: | Journal of the Optical Society of America A |
DOI: | 10.1364/JOSAA.24.002516 |
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