22 search results - page 2 / 5 » Parameter-based reduction of Gaussian mixture models with a ... |
DSP
2007
13 years 4 months ago
2007
We tackle the general linear instantaneous model (possibly underdetermined and noisy) where we model the source prior with a Student t distribution. The conjugate-exponential char...
ICASSP
2009
IEEE
13 years 11 months ago
2009
IEEE
This paper extends our previous work on feature transformationbased support vector machines for speaker recognition by proposing a joint MAP adaptation of feature transformation (...
ICPR
2008
IEEE
14 years 6 months ago
2008
IEEE
We present a simple but efficient model for object segmentation in video scenes that integrates motion and color information in a joint probabilistic framework. Optical flow is mo...
TASLP
2002
13 years 4 months ago
2002
Two approaches are proposed for the design of tied-mixture hidden Markov models (TMHMM). One approach improves parameter sharing via partial tying of TMHMM states. To facilitate ty...
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
This paper presents a robust unsupervised learning approach for detection of anomalies in patterns of human behavior using multi-modal smart environment sensor data. We model the ...