Two algorithms for use with an orthogonal-view coded-aperture system

R. G. Paxman, W. E. Smith, H. H. Barrett

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


The goal of single photon emission computerized tomography is to map out a three-dimensional distribution of a radionuclide that is concentrated in a structure of interest. There are a number of imaging modalities that achieve this goal with varying degrees of success. In this study, computer simulation is used to explore a novel imaging modality, orthogonal-view coded-aperture imaging. Furthermore, a comparison is made between two reconstruction algorithms, one being an iterative back-projection algorithm and the other a Monte Carlo algorithm. Finally, evidence is presented suggesting that a deficiency in the projection data due to multiplexing is less disturbing than that due to limited angular range.

Original languageEnglish (US)
Pages (from-to)700-705
Number of pages6
JournalJournal of Nuclear Medicine
Issue number6
StatePublished - 1984

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging


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