581 search results - page 71 / 117 » A hierarchical point process model for speech recognition |
ICASSP
2008
IEEE
15 years 4 months ago
2008
IEEE
Conditional Random Fields (CRFs) are often estimated using an entropy based criterion in combination with Generalized Iterative Scaling (GIS). GIS offers, upon others, the immedi...
ICASSP
2008
IEEE
15 years 4 months ago
2008
IEEE
We address the feature selection problem for hidden Markov models (HMMs) in sequence classification. Temporal correlation in sequences often causes difficulty in applying featur...
ICASSP
2010
IEEE
14 years 10 months ago
2010
IEEE
The goal of this work was to explore the optimization of the feature extraction module (front-end) parameters to improve bird species recognition. We explored optimizing the spect...
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
This paper presents a discriminative training (DT) approach to irrelevant variability normalization (IVN) based training of feature transforms and hidden Markov models for large v...
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
In supervector UBM/GMM paradigm, each acoustic file is represented by the mean parameters of a GMM model. This supervector space is used as a data representation space, which has...