Abstract
The main concern with mixture modeling is to describe data in which each observation belongs to one of some number of different groups. Mixtures of distributions provide a flexible and convenient class of models for density estimation and their statistical learning has been studied extensively. In this context, fully Bayesian approaches have been widely adopted for mixture estimation and model selection problems and have shown some effectiveness due to the incorporation of the prior knowledge about the parameters. In this chapter, we propose a fully Bayesian approach for finite generalized Inverted Dirichlet (GID) mixture model learning using a reversible jump Markov chain Monte Carlo (RJMCMC) approach [23]. RJMCMC enables us to deal simultaneously with model selection and parameters estimation in one single algorithm. The merits of RJMCMC for GID mixture learning is investigated using synthetic data and a real interesting application namely object detection.
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The completion of this research was made possible thanks to the Natural Sciences and Engineering Research Council of Canada (NSERC).
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Mashrgy, M.A., Bouguila, N. (2015). A Fully Bayesian Framework for Positive Data Clustering. In: Laalaoui, Y., Bouguila, N. (eds) Artificial Intelligence Applications in Information and Communication Technologies. Studies in Computational Intelligence, vol 607. Springer, Cham. https://doi.org/10.1007/978-3-319-19833-0_7
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