Nonconvex prior image constrained compressed sensing (NCPICCS): theory and simulations on perfusion CT.

Abstract

PURPOSE To present and evaluate a new image reconstruction method for dynamic CT based on a nonconvex prior image constrained compressed sensing (NCPICCS) algorithm. The authors systematically compared the undersampling potential, functional information recovery, and solution convergence speed of four compressed sensing (CS) based image reconstruction… (More)

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