Name
Abstract | ||
|---|---|---|
In this paper, the use of closed-form expressions is compared to the BIC approximation, with respect to speaker clustering. We first show that the particular BIC setting which is commonly used in this task, namely the approximation of the marginal with respect to the model parameters and conditional with respect to the latent variables likelihood, belongs to an exponential family, and hence admits a closed-form expression by attaching conjugate priors. We then formalize the role of the tuning parameter as a hyperparameter of the prior and finally we explain the several proposed setting global, local and segmental based on the strength of the prior. Experiments are carried out for the speaker clustering task and improvement over the BIC approximation is reported. |
Year | DOI | Venue |
|---|---|---|
2011 | 10.1109/ICASSP.2011.5946924 | Acoustics, Speech and Signal Processing |
Keywords | Field | DocType |
Bayes methods,approximation theory,pattern clustering,speaker recognition,BIC approximation,Bayesian information criterion,closed-form expressions,speaker clustering,speaker recognition,Bayesian methods,Clustering methods,Speaker recognition | Pattern recognition,Hyperparameter,Expression (mathematics),Exponential family,Approximation theory,Speaker recognition,Artificial intelligence,Cluster analysis,Hidden Markov model,Conjugate prior,Mathematics | Conference |
ISSN | ISBN | Citations |
1520-6149 E-ISBN : 978-1-4577-0537-3 | 978-1-4577-0537-3 | 0 |
PageRank | References | Authors |
0.34 | 4 | 4 |
Name | Order | Citations | PageRank |
|---|---|---|---|
| Themos Stafylakis | 1 | 431 | 30.12 |
| Xavier Anguera Miró | 2 | 0 | 0.34 |
| Vassilios Katsouros | 3 | 73 | 10.63 |
| George Carayannis | 4 | 215 | 38.14 |