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Cone beam single photon emission computed tomography using two orbits

  • R Clack
  • G L Zeng
  • Y Weng
  • P E Christian
  • G T Gullberg
1. Image Formation And Reconstruction
Part of the Lecture Notes in Computer Science book series (LNCS, volume 511)

Abstract

It is known that cone-beam projection measurements from a single planar orbit of the focal point do not satisfy Tuy's sufficiency condition for exact reconstruction. It is also known that two such orbits, oriented orthogonally, do satisfy the condition. In this paper, we present a fast convolution-and-backprojection algorithm to perform reconstructions from two orbits of cone-beam data. The algorithm has been applied to simulated data, and phantom data taken on a clinical SPECT system.

Keywords

Image reconstruction three-dimensional reconstruction cone beam x rays single photon emission computed tomography 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1991

Authors and Affiliations

  • R Clack
    • 1
  • G L Zeng
    • 1
  • Y Weng
    • 1
  • P E Christian
    • 1
  • G T Gullberg
    • 1
  1. 1.Medical Imaging Research Laboratory, Department of RadiologyUniversity of UtahSalt Lake CityUSA

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