181 citations · 702 across the 49 of their papers we have counts for
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cs.IT2012
Joint Sparsity with Different Measurement Matrices
Reinhard Heckel, Helmut Bölcskei
We consider a generalization of the multiple measurement vector (MMV) problem, where the measurement matrices are allowed to differ across measurements. This problem arises natural…
cs.IT2012★ 10 cited
Bounds on the Average Sensitivity of Nested Canalizing Functions
Johannes Georg Klotz, Reinhard Heckel, Steffen Schober
Nested canalizing Boolean (NCF) functions play an important role in biological motivated regulative networks and in signal processing, in particular describing stack filters. It ha…
cs.IT2012★ 1 cited
Identification of Sparse Linear Operators
Reinhard Heckel, Helmut Bölcskei
We consider the problem of identifying a linear deterministic operator from its response to a given probing signal. For a large class of linear operators, we show that stable ident…