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Comparison of quantitative multi-material phase-retrieval algorithms in propagation-based phase-contrast X-ray tomography
KTH, School of Engineering Sciences (SCI), Applied Physics, Biomedical and X-ray Physics.
KTH, School of Engineering Sciences (SCI), Applied Physics, Biomedical and X-ray Physics.ORCID iD: 0000-0003-2723-6622
KTH, School of Engineering Sciences (SCI), Applied Physics, Biomedical and X-ray Physics.
2017 (English)In: Optics Express, ISSN 1094-4087, E-ISSN 1094-4087, Vol. 25, no 26, p. 33543-33558Article in journal (Refereed) Published
Abstract [en]

Propagation-based phase-contrast X-ray imaging provides high-resolution, dose-efficient images of biological materials. A crucial challenge is quantitative reconstruction, referred to as phase retrieval, of multi-material samples from single-distance, and hence incomplete, data. In this work, the two most promising methods for multi-material samples, the parallel method, and the linear method, are analytically, numerically, and experimentally compared. Both methods are designed for computed tomography, as they rely on segmentation in the tomographic reconstruction. The methods are found to result in comparable image quality, but the linear method provides faster reconstruction. In addition, as already done for the parallel method, we show that the linear method provides quantitative reconstruction for monochromatic radiation.

Place, publisher, year, edition, pages
OPTICAL SOC AMER , 2017. Vol. 25, no 26, p. 33543-33558
National Category
Medical Image Processing
Identifiers
URN: urn:nbn:se:kth:diva-224073DOI: 10.1364/OE.25.033543ISI: 000418893200122Scopus ID: 2-s2.0-85039066011OAI: oai:DiVA.org:kth-224073DiVA, id: diva2:1190493
Note

QC 20180314

Available from: 2018-03-14 Created: 2018-03-14 Last updated: 2018-03-14Bibliographically approved

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Hertz, Hans

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