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Propagation-based x-ray phase contrast imaging using an iterative phase diversity technique
journal contributionposted on 15.04.2021, 06:34 by Aidan J Carroll, Grant van RiessenGrant van Riessen, Eugeniu BalaurEugeniu Balaur, Igor P Dolbnya, Giang N Tran, Andrew PeeleAndrew Peele
© 2018 IOP Publishing Ltd. Through the use of a phase diversity technique, we demonstrate a near-field in-line x-ray phase contrast algorithm that provides improved object reconstruction when compared to our previous iterative methods for a homogeneous sample. Like our previous methods, the new technique uses the sample refractive index distribution during the reconstruction process. The technique complements existing monochromatic and polychromatic methods and is useful in situations where experimental phase contrast data is affected by noise.