25 September 2017 Comparison of different phase retrieval algorithms
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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.
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Rolf Kaufmann, Rolf Kaufmann, Mathieu Plamondon, Mathieu Plamondon, Jürgen Hofmann, Jürgen Hofmann, Antonia Neels, Antonia Neels, } "Comparison of different phase retrieval algorithms", Proc. SPIE 10391, Developments in X-Ray Tomography XI, 1039115 (25 September 2017); doi: 10.1117/12.2275144; https://doi.org/10.1117/12.2275144
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