Smoothing complex-valued signals on Graphs with Monte-Carlo (2210.08014v6)

Published 15 Oct 2022 in stat.ME, math.ST, and stat.TH

Abstract: We introduce new smoothing estimators for complex signals on graphs, based on a recently studied Determinantal Point Process (DPP). These estimators are built from subsets of edges and nodes drawn according to this DPP, making up trees and unicycles, i.e., connected components containing exactly one cycle. We provide a Julia implementation of these estimators and study their performance when applied to a ranking problem.

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