4 search results - page 1 / 1 » Iterated smoothing for accelerated gradient convex minimizat... |
110
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ICASSP
2010
IEEE
15 years 16 days ago
2010
IEEE
In this paper, we consider the problem of minimizing a non-smooth convex problem using first-order methods. The number of iterations required to guarantee a certain accuracy for ...
174
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SIAMIS
2011
14 years 7 months ago
2011
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, ...
134
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SIAMIS
2011
14 years 7 months ago
2011
Abstract. Accurate signal recovery or image reconstruction from indirect and possibly undersampled data is a topic of considerable interest; for example, the literature in the rece...
89
Voted
ICASSP
2008
IEEE
15 years 6 months ago
2008
IEEE
Finding sparse approximate solutions to large underdetermined linear systems of equations is a common problem in signal/image processing and statistics. Basis pursuit, the least a...