391 search results - page 13 / 79 » Optimal Approximation of Signal Priors |
SIAMSC
2008
13 years 8 months ago
2008
Abstract. In this paper, we empirically investigate the NP-hard problem of finding sparsest solutions to linear equation systems, i.e., solutions with as few nonzeros as possible. ...
ICASSP
2011
IEEE
13 years 19 days ago
2011
IEEE
This paper considers weighted sum rate maximization of multiuser multiple-input single-output interference channel (MISO-IFC) under outage constraints. The outage-constrained weig...
Publication
![Optimal Approximations by Piecewise Smooth Functions and Associated Variational Problems - [ Mumford-Shah ]](https://www.sciweavers.org/files/imagecache/thumbnail/imagecache/mumphord_shah.jpg "Optimal Approximations by Piecewise Smooth Functions and Associated Variational Problems - [ Mumford-Shah ]")
"The purpose of this paper is to introduce and study the most basic properties of three new variational problems which are suggested by applications to computer vision. In com...
ICASSP
2011
IEEE
13 years 19 days ago
2011
IEEE
Iterative decoding is considered in this paper from an optimization point of view. Starting from the optimal maximum likelihood decoding, a (tractable) approximate criterion is de...
ICASSP
2011
IEEE
13 years 19 days ago
2011
IEEE
This paper presents a family of log-spectral amplitude (LSA) estimators for speech enhancement. Generalized Gamma distributed (GGD) priors are assumed for speech short-time spectr...