Performance evaluation of SPECT imaging system for sediment column imaging

Nicholas T. Vandehey, Rostyslav Boutchko, Jennifer L. Druhan, James P. O'Neil, Peter S. Nico, Aaron J. Slowey, William W. Moses

Research output: Contribution to journalArticlepeer-review


The performance of a SPECT imaging system for imaging vertically oriented glass columns (10 cm diameter x 30 cm long) has been evaluated in terms of spatial resolution, image uniformity, and linearity. This imaging system was developed to support research in environmental geosciences by determining flow patterns in heterogeneous porous media (e.g., sediment) through simultaneous monitoring of sediment chemistry and flow parameters. Using a Derenzo-like hot-rod phantom, rods down to 7.9 mm diameter were resolved. Flood images had an integral uniformity of 8.5% and differential uniformity of 6.2% in the center of the field of view. The ratio of total detected counts to the mean image reconstructed value was within 2% of linear over a range of greater than two orders of magnitude of counts.

Original languageEnglish (US)
Article number6413260
Pages (from-to)763-767
Number of pages5
JournalIEEE Transactions on Nuclear Science
Issue number2
StatePublished - 2013
Externally publishedYes


  • Environmental monitoring
  • Image evaluation
  • Image quality assessment
  • Nuclear imaging

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering
  • Electrical and Electronic Engineering


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