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Proceedings Paper

Comparison of different phase retrieval algorithms
Author(s): Rolf Kaufmann; Mathieu Plamondon; Jürgen Hofmann; Antonia Neels
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Paper Abstract

X-ray phase contrast imaging is attracting more and more interest. Since the phase cannot be measured directly an indirect method using e.g. a grating interferometer has to be applied. This contribution compares three different approaches to calculate the phase from Talbot-Lau interferometer measurements using a phase-stepping approach. Besides the usually applied Fourier coefficient method also a linear fitting technique and Taylor series expansion method are applied and compared.

Paper Details

Date Published: 25 September 2017
PDF: 7 pages
Proc. SPIE 10391, Developments in X-Ray Tomography XI, 1039115 (25 September 2017); doi: 10.1117/12.2275144
Show Author Affiliations
Rolf Kaufmann, EMPA (Switzerland)
Mathieu Plamondon, EMPA (Switzerland)
Jürgen Hofmann, EMPA (Switzerland)
Antonia Neels, EMPA (Switzerland)

Published in SPIE Proceedings Vol. 10391:
Developments in X-Ray Tomography XI
Bert Müller; Ge Wang, Editor(s)

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