Free-moving Quantitative Gamma-ray Imaging.

ABSTRACT: The ability to map and estimate the activity of radiological source distributions in unknown three-dimensional environments has applications in the prevention and response to radiological accidents or threats as well as the enforcement and verification of international nuclear non-proliferation agreements. Such a capability requires well-characterized detector response functions, accurate time-dependent detector position and orientation data, a digitized representation of the surrounding 3D environment, and appropriate image reconstruction and uncertainty quantification methods. We have previously demonstrated 3D mapping of gamma-ray emitters with free-moving detector systems on a relative intensity scale using a technique called Scene Data Fusion (SDF). Here we characterize the detector r

SUBMITTER: Hellfeld D 

PROVIDER: S-EPMC8519933 | biostudies-literature | 2021 Oct

REPOSITORIES: biostudies-literature