Monte Carlo Simulation of Transmission Studies using a Planar Sources with a Parallel Collimator and a Line Source with a Fan-Beam Collimators

Michael Ljungberg, Sven-Erik Strand, Nallakkandi Rajeevan, Michael A King

Research output: Contribution to journalArticlepeer-review

Abstract

A knowledge of the distribution of the attenuation coefficient is generally required for a successful correction of attenuation in nonhomogeneous regions. This can be accomplished by performing transmission measurement with either parallel or fan-bean collimation. The Monte Carlo method makes it possible to fully evaluate the results of such a correction. This study shows results from such simulations for both parallel and fan-beam transmission imaging. Also, examples of the effect of down-scatter from an emission 99mTc radionuclide into the energy window for a transmission 153Gd radionuclide are shown.
Original languageEnglish
Pages (from-to)1577-1584
JournalIEEE Transactions on Nuclear Science
Volume41
Issue number4
DOIs
Publication statusPublished - 1994

Subject classification (UKÄ)

  • Radiology, Nuclear Medicine and Medical Imaging

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