12 search results - page 2 / 3 » On the Uniqueness of Nonnegative Sparse Solutions to Underde... |
CN
2007
13 years 5 months ago
2007
In this paper, we consider the problem of estimating link loss rates based on end-to-end path loss rates in order to identify lossy links on the network. We first derive a maximu...
ICASSP
2009
IEEE
14 years 16 hour ago
2009
IEEE
In the last few years, we have witnessed an explosion in applications of sparse representation, the majority of which share the need for finding sparse solutions of underdetermine...
CORR
2010
Springer
13 years 5 months ago
2010
Springer
A major enterprise in compressed sensing and sparse approximation is the design and analysis of computationally tractable algorithms for recovering sparse, exact or approximate, s...
CORR
2010
Springer
13 years 5 months ago
2010
Springer
Finding the sparsest solution for an under-determined linear system of equations D = s is of interest in many applications. This problem is known to be NP-hard. Recent work studie...
ICASSP
2008
IEEE
13 years 11 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...