Fraction-variant beam orientation optimization for non-coplanar IMRT
Fraction-variant beam orientation optimization for non-coplanar IMRT
Conventional beam orientation optimization (BOO) algorithms for IMRT assume that the same set of beam angles is used for all treatment fractions. In this paper we present a BOO formulation based on group sparsity that simultaneously optimizes non-coplanar beam angles for all fractions, yielding a fraction-variant (FV) treatment plan. Beam …