Measurement Bounds for Sparse Signal Ensembles via Graphical Models

  title={Measurement Bounds for Sparse Signal Ensembles via Graphical Models},
  author={Marco F. Duarte and Michael B. Wakin and Dror Baron and Shriram Sarvotham and Richard G. Baraniuk},
  journal={IEEE Transactions on Information Theory},
In compressive sensing, a small collection of linear projections of a sparse signal contains enough information to permit signal recovery. Distributed compressive sensing extends this framework by defining ensemble sparsity models, allowing a correlated ensemble of sparse signals to be jointly recovered from a collection of separately acquired compressive measurements. In this paper, we introduce a framework for modeling sparse signal ensembles that quantifies the intra- and intersignal… CONTINUE READING
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