13 search results - page 1 / 3 » Characterizing neural dependencies with copula models |
NIPS
2008
13 years 6 months ago
2008
The coding of information by neural populations depends critically on the statistical dependencies between neuronal responses. However, there is no simple model that can simultane...
IOR
2008
13 years 4 months ago
2008
This paper develops rare event simulation methods for the estimation of portfolio credit risk -- the risk of losses to a portfolio resulting from defaults of assets in the portfol...
IJON
2002
13 years 4 months ago
2002
Epileptic seizures are characterized by repetitive synchronous neuronal bursting activity. To study external influences on this activity, a simple model of a chain loop of neurona...
NIPS
2000
13 years 5 months ago
2000
Experimental data show that biological synapses behave quite differently from the symbolic synapses in common artificial neural network models. Biological synapses are dynamic, i....
NIPS
1998
13 years 5 months ago
1998
We examine the statistics of natural monochromatic images decomposed using a multi-scale wavelet basis. Although the coefficients of this representation are nearly decorrelated, t...