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Random swap EM algorithm for Gaussian mixture models

✍ Scribed by Qinpei Zhao; Ville Hautamäki; Ismo Kärkkäinen; Pasi Fränti


Book ID
119343685
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
993 KB
Volume
33
Category
Article
ISSN
0167-8655

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✍ Zhihua Zhang; Chibiao Chen; Jian Sun; Kap Luk Chan 📂 Article 📅 2003 🏛 Elsevier Science 🌐 English ⚖ 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 ÿrst presented theoretically. These equations show that the merge operation is a well-posed probl