292 search results - page 3 / 59 » Estimation of the noise correlation matrix |
TSP
2008
13 years 5 months ago
2008
Abstract--In this paper, the problem of blind channel estimation under orthogonal space
CISS
2007
IEEE
14 years 3 days ago
2007
IEEE
— In block-fading transmission, the discrete-time taps of time-varying channels can be generally modelled as a stationary random vector process with unknown and rank-deficient c...
SDM
2009
SIAM
14 years 3 months ago
2009
SIAM
We consider the task of performing anomaly detection in highly noisy multivariate data. In many applications involving real-valued time-series data, such as physical sensor data a...
CVPR
2008
IEEE
14 years 7 months ago
2008
IEEE
Linear inverse problems in computer vision, including motion estimation, shape fitting and image reconstruction, give rise to parameter estimation problems with highly correlated ...
JMLR
2010
13 years 17 days ago
2010
Methods based on 1-relaxation, such as basis pursuit and the Lasso, are very popular for sparse regression in high dimensions. The conditions for success of these methods are now ...