150 search results - page 7 / 30 » Optimization with EM and Expectation-Conjugate-Gradient |
SAC
2011
ACM
13 years 2 months ago
2011
ACM
Abstract In many statistical problems, maximum likelihood estimation by an EM or MM algorithm suffers from excruciatingly slow convergence. This tendency limits the application of ...
TSP
2010
13 years 2 months ago
2010
In this correspondence, we propose an iterative "turbo" channel estimation algorithm for known symbol padding (KSP) orthogonal frequency-division multiplexing (OFDM), whe...
KDD
2006
ACM
14 years 8 months ago
2006
ACM
We introduce a new EM framework in which it is possible not only to optimize the model parameters but also the number of model components. A key feature of our approach is that we...
ICRA
2006
IEEE
14 years 1 months ago
2006
IEEE
– The paper deals with fitting of planar patches to 3D laser range data obtained by a mobile robot. The number and the initial position of the patches are unknown, hence their es...
GECCO
2008
Springer
13 years 9 months ago
2008
Springer
This note is best described as a ‘Research Challenge’, and concerns building an ultra high frequency (UHF) trading system. The emphasis is on addressing the problems posed by ...