391 search results - page 35 / 79 » Optimal Approximation of Signal Priors |
ICASSP
2009
IEEE
14 years 3 months ago
2009
IEEE
This paper addresses source separation from a linear mixture under two assumptions: source sparsity and orthogonality of the mixing matrix. We propose efficient sparse separation...
ICASSP
2011
IEEE
13 years 17 days ago
2011
IEEE
We consider the problem of detecting targets behind walls using radar imaging technology. An image-domain based detection technique is proposed that allows to adapt to specific t...
SIAMIS
2010
13 years 3 months ago
2010
Simulated annealing (SA) and deterministic continuation are well-known generic approaches to global optimization. Deterministic continuation is computationally attractive but produ...
SADM
2008
13 years 8 months ago
2008
: Nonnegative matrix approximation (NNMA) is a popular matrix decomposition technique that has proven to be useful across a diverse variety of fields with applications ranging from...
INFOCOM
2007
IEEE
14 years 3 months ago
2007
IEEE
— Broadcast protocols play a vital role in multihop wireless networks. Due to the broadcast nature of radio signals, a node’s interference range can be larger than its transmis...