Region of interest cone beam tomography with prior CT data

K. Ramamurthi, J. L. Prince

Research output: Contribution to journalConference article

Abstract

Recent so-called very short-scan fan-beam reconstruction algorithms make it possible to reconstruct objects within the convex hull of the source path provided that the object is completely contained within the filed of view in all projections. In this work, we extend this result to the truncated cone-beam projection scenario that is typical of mobile C-arms in surgery under the assumption that a prior computed tomography scan is available and that the anatomy has only changed due to surgery within the convex hull of the source path. Practical algorithms and simulation results are given.

Original languageEnglish (US)
Pages (from-to)1924-1927
Number of pages4
JournalConference Record of the Asilomar Conference on Signals, Systems and Computers
Volume2
StatePublished - Dec 1 2003
EventConference Record of the Thirty-Seventh Asilomar Conference on Signals, Systems and Computers - Pacific Grove, CA, United States
Duration: Nov 9 2003Nov 12 2003

ASJC Scopus subject areas

  • Signal Processing
  • Computer Networks and Communications

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