Hamilton-Green solver for the forward and adjoint problems in photoacoustic tomography

Francesc Rullan, Marta M. Betcke

Abstract: Highlights•Novel acoustic solver for the forward and adjoint problems in photoacoustic tomography.•Ability to evaluate partial operators i.e. a solution for a subset of sensors.•Efficient region of interest tomography and coupling with ultrasound tomography.•Solver combines evaluation of the Green's formulae and ray-based approximation.•Evaluation of the solver on a 2D numerical phantom and comparison with k-Wave toolbox.