61 citations · 167 across the 16 of their papers we have counts for
Showing 2020Show all
2 papers · 1 filter
math.ST2020★ 26 cited
ScreeNOT: Exact MSE-Optimal Singular Value Thresholding in Correlated Noise
David L. Donoho, Matan Gavish, Elad Romanov
We derive a formula for optimal hard thresholding of the singular value decomposition in the presence of correlated additive noise; although it nominally involves unobservables, we…
cs.IT2020★ 19 cited
Multi-reference alignment in high dimensions: sample complexity and phase transition
Elad Romanov, Tamir Bendory, Or Ordentlich
Multi-reference alignment entails estimating a signal in from its circularly-shifted and noisy copies. This problem has been studied thoroughly in recent years, focu…