2 papers
eess.IV2021
Diffraction Tomography with Helmholtz Equation: Efficient and Robust Multigrid-Based Solver
Tao Hong, Thanh-an Pham, Eran Treister +1
Diffraction tomography is a noninvasive technique that estimates the refractive indices of unknown objects and involves an inverse-scattering problem governed by the wave equation.…
math.OC2018
Merging Multigrid Optimization with SESOP
Tao Hong, Irad Yavneh, Michael Zibulevsky
A merger of two optimization frameworks is introduced: SEquential Subspace OPtimization (SESOP) with MultiGrid (MG) optimization. At each iteration of the algorithm, the search dir…