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math.OC2024
Nonlinear tomographic reconstruction via nonsmooth optimization
Vasileios Charisopoulos, Rebecca Willett
We study iterative signal reconstruction in computed tomography (CT), wherein measurements are produced by a linear transformation of the unknown signal followed by an exponential…
physics.comp-ph2024★ 2 cited
Multi-Frequency Progressive Refinement for Learned Inverse Scattering
Owen Melia, Olivia Tsang, Vasileios Charisopoulos +3
Interpreting scattered acoustic and electromagnetic wave patterns is a computational task that enables remote imaging in a number of important applications, including medical imagi…