2 papers
math.OC2026
New spherical codes by tuning an annealing solver
Ilmari Vahteristo
The spherical code problem asks how to place points on a unit sphere in dimensions to maximize the smallest distance between two points. It is a non-smooth and non-convex m…
cs.CV2025
Data-Efficient Limited-Angle CT Using Deep Priors and Regularization
Ilmari Vahteristo, Zhi-Song Liu, Andreas Rupp
Reconstructing an image from its Radon transform is a fundamental computed tomography (CT) task arising in applications such as X-ray scans. In many practical scenarios, a full 180…