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SIAMIS
2011
13 years 3 months ago
Gradient-Based Methods for Sparse Recovery
The convergence rate is analyzed for the sparse reconstruction by separable approximation (SpaRSA) algorithm for minimizing a sum f(x) + ψ(x), where f is smooth and ψ is convex, ...
William W. Hager, Dzung T. Phan, Hongchao Zhang
CISS
2010
IEEE
13 years 5 days ago
Concentration of measure for block diagonal matrices with repeated blocks
Abstract—The theoretical analysis of randomized compressive operators often relies on the existence of a concentration of measure inequality for the operator of interest. Though ...
Christopher J. Rozell, Han Lun Yap, Jae Young Park...
CORR
2010
Springer
93views Education» more  CORR 2010»
13 years 8 months ago
Rank Awareness in Joint Sparse Recovery
In this paper we revisit the sparse multiple measurement vector (MMV) problem, where the aim is to recover a set of jointly sparse multichannel vectors from incomplete measurement...
Mike E. Davies, Yonina C. Eldar
QCQC
1998
Springer
173views Communications» more  QCQC 1998»
14 years 23 days ago
Quantum Wavelet Transforms: Fast Algorithms and Complete Circuits
The quantum Fourier transform (QFT), a quantum analog of the classical Fourier transform, has been shown to be a powerful tool in developing quantum algorithms. However, in classi...
Amir Fijany, Colin P. Williams
CORR
2008
Springer
104views Education» more  CORR 2008»
13 years 8 months ago
Some Aspects of Testing Process for Transport Streams in Digital Video Broadcasting
: This paper presents some aspects related to the DVB (Digital Video Broadcasting) investigation. Thebasicaspectsof DVB are presented, with an emphasis on DVB-T version of standard...
Radu Arsinte, Ciprian Ilioaei