138 search results - page 19 / 28 » A Study on the Cross-Entropy Method for Rare-Event Probabili... |
NIPS
2003
13 years 8 months ago
2003
In this paper, sparse representation (factorization) of a data matrix is first discussed. An overcomplete basis matrix is estimated by using the K−means method. We have proved ...
CGF
2008
13 years 7 months ago
2008
The visibility function in direct illumination describes the binary visibility over a light source, e.g., an environment map. Intuitively, the visibility is often strongly correla...
CORR
2007
Springer
13 years 7 months ago
2007
Springer
We consider an information-theoretic objective function for statistical modeling of time series that embodies a parametrized trade-off between the predictive power of a model and...
FOCM
2010
13 years 5 months ago
2010
We study the problem of estimating the best k term Fourier representation for a given frequency-sparse signal (i.e., vector) A of length N k. More explicitly, we investigate how t...
AAAI
2008
13 years 9 months ago
2008
Partially Observable Markov Decision Processes have been studied widely as a model for decision making under uncertainty, and a number of methods have been developed to find the s...