Publication: Spline based iterative phase retrieval algorithm for X-ray differential phase contrast radiography
Spline based iterative phase retrieval algorithm for X-ray differential phase contrast radiography
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Nilchian, M., Wang, Z., Thuering, T., Unser, M., & Stampanoni, M. (2015). Spline based iterative phase retrieval algorithm for X-ray differential phase contrast radiography. Optics Express, 23, 10631–10642. https://doi.org/10.1364/OE.23.010631
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Differential phase contrast imaging using grating interferometer is a promising alternative to conventional X-ray radiographic methods. It provides the absorption, differential phase and scattering information of the underlying sample simultaneously. Phase retrieval from the differential phase signal is an essential problem for quantitative analysis in medical imaging. In this paper, we formalize the phase retrieval as a regularized inverse problem, and propose a novel discretization scheme for the derivative operator based on B-splin
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- Nilchian, Masih
- Thuering, Thomas
- Unser, Michael
- Stampanoni, Marco
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Nilchian, M., Wang, Z., Thuering, T., Unser, M., & Stampanoni, M. (2015). Spline based iterative phase retrieval algorithm for X-ray differential phase contrast radiography. Optics Express, 23, 10631–10642. https://doi.org/10.1364/OE.23.010631
