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X-ray phase-attenuation duality and phase retrieval.

Xizeng Wu·Hong Liu·Aimin Yan
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Abstract

Phase retrieval is the key to quantitative x-ray phase-contrast imaging. To retrieve the phase image of an x-ray wave field, in general one needs multiple phase-contrast images. We have made a new observation of phase-attenuation duality for soft tissues, and we show how only a single phase-contrast image is needed for successful phase retrieval based on this duality. The phase-retrieval formula based on a single phase-contrast image of inhomogeneous soft tissue is derived and presented. We show the striking enhancement of the tissue contrast in simulated phase images that this new approach produces.

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AlgorithmsConnective TissueMammographyPhantoms, ImagingRadiographic Image EnhancementRadiographic Image Interpretation, Computer-AssistedRadiographyRefractometryEvaluation StudyJournal ArticleResearch Support, Non-U.S. Gov'tResearch Support, U.S. Gov't, P.H.S.

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Xizeng Wu, Hong Liu, Aimin Yan. 2005-02-15. X-ray phase-attenuation duality and phase retrieval.. https://doi.org/10.1364/ol.30.000379

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