188 search results - page 4 / 38 » Estimation error bounds for denoising by sparse approximatio... |
103
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CISS
2008
IEEE
15 years 4 months ago
2008
IEEE
—Thus far, sparse representations have been exploited largely in the context of robustly estimating functions in a noisy environment from a few measurements. In this context, the...
CORR
2010
Springer
14 years 9 months ago
2010
Springer
ABSTRACT. In this paper modified variants of the sparse Fourier transform algorithms from [14] are presented which improve on the approximation error bounds of the original algorit...
CORR
2011
Springer
14 years 4 months ago
2011
Springer
The estimation of a sparse vector in the linear model is a fundamental problem in signal processing, statistics, and compressive sensing. This paper establishes a lower bound on t...
ICCAD
2007
IEEE
15 years 6 months ago
2007
IEEE
Abstract— Typical nonlinear model order reduction approaches need to address two issues: reducing the order of the model, and approximating the vector field. In this paper we fo...
111
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CORR
2011
Springer
14 years 4 months ago
2011
Springer
We analyze a class of estimators based on a convex relaxation for solving highdimensional matrix decomposition problems. The observations are the noisy realizations of the sum of ...