2 papers
math.OC2019
The ML-EM algorithm in continuum: sparse measure solutions
Camille Pouchol, Olivier Verdier
Linear inverse problems with Poisson noise and non-negative unknown are ubiquitous in applications, for instance in Positron Emission Tomography (PET) in medical…
eess.IV2019
Spatiotemporal PET reconstruction using ML-EM with learned diffeomorphic deformation
Ozan Öktem, Camille Pouchol, Olivier Verdier
Patient movement in emission tomography deteriorates reconstruction quality because of motion blur. Gating the data improves the situation somewhat: each gate contains a movement p…