Weighted EM algorithm and block monitoring

Yasuo Matsuyama

    研究成果: Conference contribution

    2 被引用数 (Scopus)

    抄録

    The expectation and maximization algorithm (EM algorithm) is generalized so that the learning proceeds according to adjustable weights in terms of probability measures. The presented method, the weighted EM algorithm, or the α-EM algorithm includes the existing EM algorithm as a special case. It is further found that this learning structure can work systolically. It is also possible to add monitors to interact with lower systolic subsystems. This is made possible by attaching building blocks of the weighted (or plain) EM learning. Derivation of the whole algorithm is based on generalized divergences. In addition to the discussions on the learning, extensions of basic statistical properties such as Fisher's efficient score, his measure of information and Cramer-Rao's inequality are given. These appear in update equations of the generalized expectation learning. Experiments show that the presented generalized version contains cases that outperform traditional learning methods.

    本文言語English
    ホスト出版物のタイトルIEEE International Conference on Neural Networks - Conference Proceedings
    Place of PublicationPiscataway, NJ, United States
    出版社IEEE
    ページ1936-1941
    ページ数6
    3
    出版ステータスPublished - 1997
    イベントProceedings of the 1997 IEEE International Conference on Neural Networks. Part 4 (of 4) - Houston, TX, USA
    継続期間: 1997 6 91997 6 12

    Other

    OtherProceedings of the 1997 IEEE International Conference on Neural Networks. Part 4 (of 4)
    CityHouston, TX, USA
    Period97/6/997/6/12

    ASJC Scopus subject areas

    • Software
    • Control and Systems Engineering
    • Artificial Intelligence

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