1236 search results - page 16 / 248 » Robust estimation for sparse data |
CORR
2007
Springer
14 years 9 months ago
2007
Springer
We consider the problem of estimating the parameters of a Gaussian or binary distribution in such a way that the resulting undirected graphical model is sparse. Our approach is to...
ICASSP
2008
IEEE
15 years 4 months ago
2008
IEEE
A phase synchronizationmethod, which provides non-uniform frequency offset compensation needed for wideband OFDM [1], is coupled with low-complexity channel estimation in the time...
KDD
2009
ACM
15 years 10 months ago
2009
ACM
Effective diagnosis of Alzheimer's disease (AD), the most common type of dementia in elderly patients, is of primary importance in biomedical research. Recent studies have de...
CMSB
2004
Springer
15 years 1 months ago
2004
Springer
We propose a robust estimation method of gene networks based on microarray gene expression data. It is well-known that microarray data contain a large amount of noise and some outl...
IBPRIA
2007
Springer
14 years 11 months ago
2007
Springer
In this paper we present a non parametric density-based data reduction technique designed to be used in robust parameter estimation problems. Existing approaches are focused on red...