178 search results - page 20 / 36 » LSMR: An iterative algorithm for sparse least-squares proble... |
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
Assuming that a set of source signals is sparsely representable in a given dictionary, we show how their sparse recovery fails whenever we can only measure a convolved observation...
ICASSP
2008
IEEE
14 years 1 months ago
2008
IEEE
This paper considers the image reconstruction problem when the original image is assumed to be sparse and when limited information of the point spread function (PSF) is available....
SIAMSC
2010
13 years 5 months ago
2010
We propose a fast algorithm for solving the ℓ1-regularized minimization problem minx∈Rn µ x 1 + Ax − b 2 2 for recovering sparse solutions to an undetermined system of linea...
MMAS
2010
Springer
13 years 2 months ago
2010
Springer
In this paper, we introduce a new nonlinear evolution partial differential equation for sparse deconvolution problems. The proposed PDE has the form of continuity equation that ar...
VALUETOOLS
2006
ACM
14 years 1 months ago
2006
ACM
Min-max functions are dynamic programming operators of zero-sum deterministic games with finite state and action spaces. The problem of computing the linear growth rate of the or...