801 search results - page 63 / 161 » Estimating Likelihoods for Topic Models |
WSC
2004
15 years 2 months ago
2004
Simulation is an essential tool for performance evaluation of many practical systems where planners typically want to know how the system will perform under various parameter sett...
90
Voted
ICASSP
2009
IEEE
15 years 7 months ago
2009
IEEE
We propose a model for the density of cross-spectral coefficients using Normal Variance Mean Mixtures. We show that this model density generalizes the corresponding marginal dens...
84
Voted
ICIP
2000
IEEE
16 years 2 months ago
2000
IEEE
In this paper we propose a new statistical model for SAR images. According to this model, the SAR image amplitude follows a product of Rayleigh and Bessel functions. We derive the...
123
Voted
JMLR
2010
14 years 7 months ago
2010
An algorithm is presented for topology selection in graphical models of autoregressive Gaussian time series. The graph topology of the model represents the sparsity pattern of the...
132
click to vote
DICTA
2003
15 years 2 months ago
2003
Abstract. This paper proposes a new adaptive wavelet-based Magnetic Resonance images denoising algorithm. A Rician distribution for background-noise modelling is introduced and a M...