Compton back-scattering imaging

A Compton back-scatter tomographical imaging model with minimal constraints was imposed as a potential contender for on-line portable imaging. The lin e-scan method based on scattered photon energy spectra can obtain a fairly high scan speed and spatial resolution. As such, radiation scattering imagi ng (or density reconstruction) is viewed as a nonlinear inverse problem. A multicriteria optimization-based density reconstruction from computed compt on scattering data illustrates the feasibility of this method. (C) 1999 Joh n Wiley & Sons, Inc.