245 search results - page 2 / 49 » Second Order Approximations for Probability Models |
IJCAI
1993
13 years 6 months ago
1993
Uncertainty processing methods are analysed from the viewpoint of their sensitivity to small variations of certainty factors. The analysis makes use of the algebraic theory which ...
ICPR
2008
IEEE
14 years 6 months ago
2008
IEEE
In kernel density estimation methods, an approximation of the data probability density function is achieved by locating a kernel function at each data location. The smoothness of ...
ICTAI
2006
IEEE
13 years 11 months ago
2006
IEEE
Bayesian networks (BNs) have been widely used as a model for knowledge representation and probabilistic inferences. However, the single probability representation of conditional d...
ISIPTA
2003
IEEE
13 years 10 months ago
2003
IEEE
A second-order hierarchical uncertainty model of a system of independent random variables is studied in the paper. It is shown that the complex nonlinear optimization problem for ...
TSP
2011
13 years 9 days ago
2011
—This paper addresses the independent component analysis (ICA) of quaternion random vectors. In particular, we focus on the Gaussian case and therefore only consider the quaterni...