Phase-contrast X-ray tomography: contrast mechanism and roles of phase retrieval.

  title={Phase-contrast X-ray tomography: contrast mechanism and roles of phase retrieval.},
  author={Xizeng Wu and Hong Liu and Amin Yan},
  journal={European journal of radiology},
  volume={68 3 Suppl},
The direct phase-contrast X-ray tomography, which reconstructs tomograms directly from projection phase-contrast images without the phase retrievals, finds many interesting applications for detection of interfaces for different tissues. In this work we explore and clarify the contrast mechanism of the direct phase-contrast tomography, and show that the direct phase-contrast tomogram is a mixture of three components: the 3D map of the imaged object's linear attenuation coefficients, the map of… CONTINUE READING

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