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Proceedings Article

Phase-contrast CT: fundamental theorem and fast image reconstruction algorithms

[+] Author Affiliations
Andrei V. Bronnikov

Bronnikov Algorithms (Netherlands)

Proc. SPIE 6318, Developments in X-Ray Tomography V, 63180Q (September 07, 2006); doi:10.1117/12.679389
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From Conference Volume 6318

  • Developments in X-Ray Tomography V
  • Ulrich Bonse
  • San Diego, California, USA | August 13, 2006

abstract

Phase-contrast x-ray computed tomography (CT) is an emerging imaging technique that can be implemented at third generation synchrotron radiation sources or by using a microfocus x-ray tube. Promising experimental results have recently been obtained in material science and biological applications. At the same time, the lack of a mathematical theory comparable to that of conventional absorption-based CT limits the progress in this field. We suggest such a theory and prove a fundamental theorem that plays the same role for phase-contrast CT as the Fourier slice theorem does for absorption-based CT. The fundamental theorem allows us to derive fast image reconstruction algorithms in the form of filtered backprojection (FBP).

© (2006) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Andrei V. Bronnikov
"Phase-contrast CT: fundamental theorem and fast image reconstruction algorithms", Proc. SPIE 6318, Developments in X-Ray Tomography V, 63180Q (September 07, 2006); doi:10.1117/12.679389; http://dx.doi.org/10.1117/12.679389


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