4 search results - page 1 / 1 » Iterated smoothing for accelerated gradient convex minimizat... |
ICASSP
2010
IEEE
13 years 6 months 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 ...
SIAMIS
2011
13 years 22 days 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, ...
SIAMIS
2011
13 years 22 days 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...
ICASSP
2008
IEEE
14 years 7 days 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...