3 papers
eess.IV2025
The method of the approximate inverse for limited-angle CT
Bernadette Hahn, Gael Rigaud, Richard Schmähl
Limited-angle computerized tomography stands for one of the most difficult challenges in imaging. Although it opens the way to faster data acquisition in industry and less dangerou…
math.NA2021
A class of regularizations based on nonlinear isotropic diffusion for inverse problems
Bernadette N. Hahn, Gael Rigaud, Richard Schmähl
Building on the well-known total-variation (TV), this paper develops a general regularization technique based on nonlinear isotropic diffusion (NID) for inverse problems with piece…
math.NA2019
3D Compton scattering imaging: study of the spectrum and contour reconstruction
Gael Rigaud
3D Compton scattering imaging is an upcoming concept exploiting the scattering of photons induced by the electronic structure of the object under study. The so-called Compton scatt…