SOMICA and geometric ICA

Fabian J. Theis, Carlos G. Puntonet, Elmar W. Lang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Geometric independent component analysis (ICA) uses a weight update rule that is very similar to the self-organizing map (SOM) learning rule in the case of a trivial neighborhood function. In this paper we use this fact and present a new geometric ICA algorithm that uses a SOM for learning. The separation quality is better in comparison to other geometric algorithms, but the computational cost is higher. Furthermore, this new algorithm wilt provide insight in how to transfer theoretical results from the SOM area to geometric ICA.

Original languageEnglish
Title of host publicationProceedings of the 6th International Conference on Information Fusion, FUSION 2003
PublisherIEEE Computer Society
Pages1457-1464
Number of pages8
ISBN (Print)0972184449, 9780972184441
DOIs
StatePublished - 2003
Externally publishedYes
Event6th International Conference on Information Fusion, FUSION 2003 - Cairns, QLD, Australia
Duration: 8 Jul 200311 Jul 2003

Publication series

NameProceedings of the 6th International Conference on Information Fusion, FUSION 2003
Volume2

Conference

Conference6th International Conference on Information Fusion, FUSION 2003
Country/TerritoryAustralia
CityCairns, QLD
Period8/07/0311/07/03

Keywords

  • Blind source separation
  • Geometric ICA
  • Independent component analysis
  • Self-organizing maps

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