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- 田川 憲男
- 東京都立大学大学院工学研究科
書誌事項
- タイトル別名
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- Fundamentals of the EM Algorithm
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抄録
The EM (Expectation-Maximization) algorithm is a general-purpose stable procedure for maximum likelihood estimation in a wide variety of situations described as incomplete-data problem. Incomplete- data problems where the EM algorithm has been succesfully applied include not only evidently incomplete- data situations, for example, there are missing data, grouped observations, but also a whole variety of situations where the incompleteness of the data is not natural or evident.<BR>In this article, at first, I summarize maximum likelihood estimation and formulation of the EM algorithm. Subsequently, I briefly mention the properties of the EM algorithm, and two applications where the typical probablistic models are assumed. Lastly, I introduce some problems, which arise from applying the EM algorithm to the complex situations, and the examples of the solutions against them.
収録刊行物
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- Japanese Journal of Medical Physics
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Japanese Journal of Medical Physics 19 (3), 148-161, 1999
一般社団法人 日本医学物理学会
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詳細情報 詳細情報について
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- CRID
- 1390001204672528384
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- NII論文ID
- 10004572550
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- NII書誌ID
- AA11137895
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- ISSN
- 21869855
- 09188010
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可