63 search results - page 6 / 13 » On Extending the Complex FastICA Algorithm to Noncircular So... |
JMLR
2010
13 years 5 months ago
2010
We extend the well-known BFGS quasi-Newton method and its memory-limited variant LBFGS to the optimization of nonsmooth convex objectives. This is done in a rigorous fashion by ge...
KSEM
2010
Springer
13 years 5 months ago
2010
Springer
Abstract. Ontology mapping is one of the most important tasks for ontology interoperability and its main aim is to find semantic relationships between entities (i.e. concept, attri...
SIAMSC
2010
13 years 2 months ago
2010
The fast Gauss transform allows for the calculation of the sum of N Gaussians at M points in O(N + M) time. Here, we extend the algorithm to a wider class of kernels, motivated by ...
ICA
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. This paper deals with the problem of estimating atrial activity during atrial fibrillation periods in the electrocardiogram (ECG). Since the signal of interest differs ...
POPL
2001
ACM
14 years 7 months ago
2001
ACM
Current verification condition (VC) generation algorithms, such as weakest preconditions, yield a VC whose size may be exponential in the size of the code fragment being checked. ...