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CORR
2011
Springer
179views Education» more  CORR 2011»
13 years 4 months ago
The restricted isometry property for time-frequency structured random matrices
We establish the restricted isometry property for finite dimensional Gabor systems, that is, for families of time–frequency shifts of a randomly chosen window function. We show...
Götz E. Pfander, Holger Rauhut, Joel A. Tropp
CORR
2008
Springer
94views Education» more  CORR 2008»
14 years 15 days ago
The statistical restricted isometry property and the Wigner semicircle distribution of incoherent dictionaries
In this paper we formulate and prove a statistical version of the Cand
Shamgar Gurevich, Ronny Hadani
CORR
2010
Springer
130views Education» more  CORR 2010»
14 years 16 days ago
Phase Transitions for Greedy Sparse Approximation Algorithms
A major enterprise in compressed sensing and sparse approximation is the design and analysis of computationally tractable algorithms for recovering sparse, exact or approximate, s...
Jeffrey D. Blanchard, Coralia Cartis, Jared Tanner...