327 search results - page 22 / 66 » Density Estimation by Mixture Models with Smoothing Priors |
FGR
2000
IEEE
14 years 1 months ago
2000
IEEE
We present two methods using mixtures of linear subspaces for face detection in gray level images. One method uses a mixture of factor analyzers to concurrently perform clustering...
ICASSP
2011
IEEE
13 years 11 days ago
2011
IEEE
The Generalized State Coherence Transform (GSCT) has been recently proposed as an efficient tool for the estimation of multidimensional TDOA of multiple sources. The transform de...
CSDA
2008
13 years 8 months ago
2008
In the general classification context the recourse to the so-called Bayes decision rule requires to estimate the class conditional probability density functions. In this paper we p...
ISCAS
2003
IEEE
14 years 1 months ago
2003
IEEE
We present two new hyperbolic source probability models to effectively represent sub-gaussian and super-gaussian families of sources for dynamic and convolutive Blind Source Recov...
PCM
2004
Springer
14 years 2 months ago
2004
Springer
Abstract. In this paper, a new sign-wise tied mixture HMM (SWTMHMM) is proposed and applied in vision-based sign language recognition (SLR). In the SWTMHMM, the mixture densities o...