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Quantitative x-ray radiography using grating interferometry: a feasibility study

Wang, Zhentian ; Stampanoni, Marco

Physics in medicine & biology, 2013-10, Vol.58 (19), p.6815-6826 [Periódico revisado por pares]

England: IOP Publishing

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  • Título:
    Quantitative x-ray radiography using grating interferometry: a feasibility study
  • Autor: Wang, Zhentian ; Stampanoni, Marco
  • Assuntos: Breast - cytology ; breast density estimation ; Feasibility Studies ; grating interferometer ; Interferometry - methods ; Mammography ; Phantoms, Imaging ; phase contrast imaging ; quantitative radiography ; Radiography - methods ; X-Rays
  • É parte de: Physics in medicine & biology, 2013-10, Vol.58 (19), p.6815-6826
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descrição: X-ray grating interferometry is a promising tool for medical imaging because of its capability of providing additional and complementary information to conventional absorption-based methods. This technology can simultaneously measure absorption, differential phase and small-angle scattering signals from the sample, significantly improving the diagnostic content. In this work, we present a method which uses the image (dubbed the R image) obtained by taking the ratio of the absorption and small-angle scattering signals to gain quantitative insight from a radiographic x-ray projection. We demonstrate that with the help of the R image we can successfully distinguish among different (light-Z) plastic materials, which are usually used to mimic soft tissues. Two potential applications in medical imaging, such as quantitative x-ray radiography and volumetric breast density estimation, are demonstrated.
  • Editor: England: IOP Publishing
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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