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Some Comparisons of Radial and Kernel Computational Models

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985807%3A_____%2F11%3A00366051" target="_blank" >RIV/67985807:_____/11:00366051 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Some Comparisons of Radial and Kernel Computational Models

  • Original language description

    Mathematical properties of two types of computational models popular in neurocomputing, radial-basis function networks (RBF) and kernel models, are compared. Both models have their advantages: RBF networks are known to be universal approximators and theyallow higher flexibility in choice of free parameters which leads to smaller model complexity. On the other hand, kernel models benefit from geometrical properties of Hilbert spaces generated by symmetric positive semidefinite kernels. These propertiesallow applications of maximal margin classification, regularization modeling generalization in learning from data and description of optimal solutions of learning tasks. We investigate these two types of models in the framework of kernel units with fixedand variable widths. We give conditions on kernels with fixed widths implying universal approximation property and describe behavior of kernel stabilizers with changing widths and input dimensions. We illustrate our results by the exampl

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

    IN - Informatics

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/1M0567" target="_blank" >1M0567: Centre for Applied Cybernetics</a><br>

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2011

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Informačné technológie - aplikácie a teória

  • ISBN

    978-80-89557-01-1

  • ISSN

  • e-ISSN

  • Number of pages

    6

  • Pages from-to

    11-16

  • Publisher name

    PONT s.r.o.

  • Place of publication

    Seňa

  • Event location

    Ždiar

  • Event date

    Sep 17, 2011

  • Type of event by nationality

    EUR - Evropská akce

  • UT code for WoS article