2 papers
astro-ph.CO2021
Weak lensing mass reconstruction using sparsity and a Gaussian random field
J. -L. Starck, K. E. Themelis, N. Jeffrey +2
We introduce a novel approach to reconstruct dark matter mass maps from weak gravitational lensing measurements. The cornerstone of the proposed method lies in a new modelling of t…
stat.ML2016
Online Low-Rank Subspace Learning from Incomplete Data: A Bayesian View
Paris V. Giampouras, Athanasios A. Rontogiannis, Konstantinos E. Themelis +1
Extracting the underlying low-dimensional space where high-dimensional signals often reside has long been at the center of numerous algorithms in the signal processing and machine…