Constructing descriptive and discriminative nonlinear features: Rayleigh coefficients in Kernel feature spaces

Sebastian Mika, Gunnar Rätsch, Jason Weston, Bernhard Schölkopf, Alex Smola, Klaus Robert Müller

    Research output: Contribution to journalArticlepeer-review

    176 Citations (Scopus)

    Abstract

    We incorporate prior knowledge to construct nonlinear algorithms for invariant feature extraction and discrimination. Employing a unified framework in terms of a nonlinearized variant of the Raylelgh coefficient, we propose nonlinear generalizations of Fisher's discriminant and oriented PCA using support vector kernel functions. Extensive simulations show the utility of our approach.

    Original languageEnglish
    Pages (from-to)623-628
    Number of pages6
    JournalIEEE Transactions on Pattern Analysis and Machine Intelligence
    Volume25
    Issue number5
    DOIs
    Publication statusPublished - 2003 May

    Bibliographical note

    Funding Information:
    This work was partially supported by the DFG (JA 379/9-2, MU 987/1-1, AS 62/1-1), and EU BLISS (IST-1999-14190).

    Keywords

    • Fisher's discriminant
    • Kernel functions
    • Nonlinear feature extraction
    • Oriented PCA
    • Raylelgh coefficient
    • Support vector machine

    ASJC Scopus subject areas

    • Software
    • Computer Vision and Pattern Recognition
    • Computational Theory and Mathematics
    • Artificial Intelligence
    • Applied Mathematics

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