no code implementations • 3 May 2021 • Francesco Grassi, Angelo Coluccia
Heavy-tailed random samples, as well as their sum or average, are encountered in a number of signal processing applications in radar, communications, finance, and natural sciences.
no code implementations • 9 Jul 2020 • Francesco Grassi, Giorgio Manganini, Michele Garraffa, Laura Mainini
Traditional methods for black box optimization require a considerable number of evaluations which can be time consuming, unpractical, and often unfeasible for many engineering applications that rely on accurate representations and expensive models to evaluate.
no code implementations • 5 May 2017 • Francesco Grassi, Andreas Loukas, Nathanaël Perraudin, Benjamin Ricaud
An emerging way to deal with high-dimensional non-euclidean data is to assume that the underlying structure can be captured by a graph.
no code implementations • 15 Nov 2016 • Nauman Shahid, Francesco Grassi, Pierre Vandergheynst
We propose a new framework for the analysis of low-rank tensors which lies at the intersection of spectral graph theory and signal processing.
no code implementations • 22 Jun 2016 • Nathanael Perraudin, Andreas Loukas, Francesco Grassi, Pierre Vandergheynst
Graph-based methods for signal processing have shown promise for the analysis of data exhibiting irregular structure, such as those found in social, transportation, and sensor networks.
no code implementations • 21 Jun 2016 • Francesco Grassi, Nathanael Perraudin, Benjamin Ricaud
Graph Signal Processing generalizes classical signal processing to signal or data indexed by the vertices of a weighted graph.