A totally unimodular view of structured sparsity

7 Nov 2014 Marwa El Halabi Volkan Cevher

This paper describes a simple framework for structured sparse recovery based on convex optimization. We show that many structured sparsity models can be naturally represented by linear matrix inequalities on the support of the unknown parameters, where the constraint matrix has a totally unimodular (TU) structure... (read more)

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