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A Greedy EM Algorithm for Gaussian Mixture Learning

✍ Scribed by Nikos Vlassis; Aristidis Likas


Book ID
110324762
Publisher
Springer US
Year
2002
Tongue
English
Weight
123 KB
Volume
15
Category
Article
ISSN
1370-4621

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EM algorithms for Gaussian mixtures with
✍ Zhihua Zhang; Chibiao Chen; Jian Sun; Kap Luk Chan πŸ“‚ Article πŸ“… 2003 πŸ› Elsevier Science 🌐 English βš– 794 KB

In order to alleviate the problem of local convergence of the usual EM algorithm, a split-and-merge operation is introduced into the EM algorithm for Gaussian mixtures. The split-and-merge equations are ΓΏrst presented theoretically. These equations show that the merge operation is a well-posed probl