Formulation of four Katsevich algorithms in native geometry

Alexander Katsevich, Katsuyuki Taguchi, Alexander A. Zamyatin

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


We derive formulations of the four exact helical Katsevich algorithms in the native cylindrical detector geometry, which allow efficient implementation in modern computed tomography scanners with wide cone beam aperture. Also, we discuss some aspects of numerical implementation.

Original languageEnglish (US)
Article number1644802
Pages (from-to)855-868
Number of pages14
JournalIEEE transactions on medical imaging
Issue number7
StatePublished - Jul 2006


  • Computed tomography (CT)
  • Cone beam reconstruction
  • Exact algorithms
  • Shift-invariant filtering

ASJC Scopus subject areas

  • Software
  • Radiological and Ultrasound Technology
  • Computer Science Applications
  • Electrical and Electronic Engineering


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