Observer models were developed to process data in list-mode format in order to perform binary discrimination tasks for use in an arms-control-treaty context. Data used in this study was generated using GEANT4 Monte Carlo simulations for photons using custom models of plutonium inspection objects and a radiation imaging system. Observer model performance was evaluated and presented using the area under the receiver operating characteristic curve. The ideal observer was studied under both signal-known-exactly conditions and in the presence of unknowns such as object orientation and absolute count-rate variability; when these additional sources of randomness were present, their incorporation into the observer yielded superior performance.
© 2016 Optical Society of AmericaFull Article | PDF Article
More Like This
J. Opt. Soc. Am. A 29(10) 2204-2216 (2012)
Subok Park, Eric Clarkson, Matthew A. Kupinski, and Harrison H. Barrett
J. Opt. Soc. Am. A 22(1) 3-16 (2005)
Luca Caucci and Harrison H. Barrett
J. Opt. Soc. Am. A 29(6) 1003-1016 (2012)