Fast modelling of the collimator-detector response in Monte Carlo simulation of SPECT imaging using the angular response function.


Interactions of incident photons with the collimator and detector, including septal penetration, scatter and x-ray fluorescence, are significant sources of image degradation in applications of SPECT including dual isotope imaging and imaging using radioisotopes that emit high- or medium-energy photons. Modelling these interactions using full Monte Carlo (MC… (More)


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