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Cited by 2,125

The DOI matches its Crossref record; 7 of the 7 references it cites were found in a registry or an index.

Unsupervised learning of finite mixture models

Figueiredo, M.A.T., Jain, A.K.·2002·IEEE Transactions on Pattern Analysis and Machine Intelligence

Abstract

This paper proposes an unsupervised algorithm for learning a finite mixture model from multivariate data. The adjective "unsupervised" is justified by two properties of the algorithm: 1) it is capable of selecting the number of components and 2) unlike the standard expectation-maximization (EM) algorithm, it does not require careful initialization. The proposed method also avoids another drawback of EM for mixture fitting: the possibility of convergence toward a singular estimate at the boundary of the parameter space. The novelty of our approach is that we do not use a model selection criterion to choose one among a set of preestimated candidate models; instead, we seamlessly integrate estimation and model selection in a single algorithm. Our technique can be applied to any type of parametric mixture model for which it is possible to write an EM algorithm; in this paper, we illustrate it with experiments involving Gaussian mixtures. These experiments testify for the good performance of our approach.

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Metadata

Authors
Figueiredo, M. A. T., & Jain, A. K.
Venue
IEEE Transactions on Pattern Analysis and Machine Intelligence
Published
2002-03
Volume
24
Issue
3
Pages
381-396
ISSN
  • 0162-8828 (ISSN-L)
  • 2160-9292
OpenAlex
W2015245929
Cited by
2,125
References
7
FWCI
59.89
Type
journal article
Language
en
Open access
closed

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.