On the construction of sparse matrices from expander graphs
We revisit the asymptotic analysis of probabilistic construction of adjacency matrices of
expander graphs proposed in Bah and Tanner. With better bounds we derived a new …
expander graphs proposed in Bah and Tanner. With better bounds we derived a new …
Vanishingly sparse matrices and expander graphs, with application to compressed sensing
We revisit the probabilistic construction of sparse random matrices where each column has
a fixed number of nonzeros whose row indices are drawn uniformly at random with …
a fixed number of nonzeros whose row indices are drawn uniformly at random with …
Efficient and robust compressed sensing using high-quality expander graphs
Expander graphs have been recently proposed to construct efficient compressed sensing
algorithms. In particular, it has been shown that any $ n $-dimensional vector that is $ k …
algorithms. In particular, it has been shown that any $ n $-dimensional vector that is $ k …
Compressive Recovery of Sparse Precision Matrices
We consider the problem of learning a graph modeling the statistical relations of the $ d $
variables of a dataset with $ n $ samples $ X\in\mathbb {R}^{n\times d} $. Standard …
variables of a dataset with $ n $ samples $ X\in\mathbb {R}^{n\times d} $. Standard …
An efficient approach toward the asymptotic analysis of node-based recovery algorithms in compressed sensing
Y Eftekhari, AH Banihashemi, I Lambadaris - arXiv preprint arXiv …, 2010 - arxiv.org
In this paper, we propose a general framework for the asymptotic analysis of node-based
verification-based algorithms. In our analysis we tend the signal length $ n $ to infinity. We …
verification-based algorithms. In our analysis we tend the signal length $ n $ to infinity. We …
Limits on sparse support recovery via linear sketching with random expander matrices
J Scarlett, V Cevher - Artificial Intelligence and Statistics, 2016 - proceedings.mlr.press
Linear sketching is a powerful tool for the problem of sparse signal recovery, having
numerous applications such as compressive sensing, data stream computing, graph …
numerous applications such as compressive sensing, data stream computing, graph …
Model-based sketching and recovery with expanders
Linear sketching and recovery of sparse vectors with randomly constructed sparse matrices
has numerous applications in several areas, including compressive sensing, data stream …
has numerous applications in several areas, including compressive sensing, data stream …
Efficient and robust compressed sensing using optimized expander graphs
Expander graphs have been recently proposed to construct efficient compressed sensing
algorithms. In particular, it has been shown that any n-dimensional vector that is k-sparse …
algorithms. In particular, it has been shown that any n-dimensional vector that is k-sparse …
Explicit Construction of RIP Matrices Is Ramsey‐Hard
D Gamarnik - Communications on Pure and Applied …, 2020 - Wiley Online Library
Abstract Matrices Φ∈ ℝn× p satisfying the restricted isometry property (RIP) are an
important ingredient of the compressive sensing methods. While it is known that random …
important ingredient of the compressive sensing methods. While it is known that random …
[图书][B] Compressed Sensing and Its Applications: Second International MATHEON Conference 2015
This contributed volume contains articles written by the plenary and invited speakers from
the second international MATHEON Workshop 2015 that focus on applications of …
the second international MATHEON Workshop 2015 that focus on applications of …