Chapter 15. Noisy ICA

  1. Aapo Hyvärinen,
  2. Juha Karhunen and
  3. Erkki Oja

Published Online: 15 MAY 2002

DOI: 10.1002/0471221317.ch15

Independent Component Analysis

Independent Component Analysis

How to Cite

Hyvärinen, A., Karhunen, J. and Oja, E. (2001) Noisy ICA, in Independent Component Analysis, John Wiley & Sons, Inc., New York, USA. doi: 10.1002/0471221317.ch15

Author Information

  1. Neural Networks Research Center, Helsinki University of Technology, Finland

Publication History

  1. Published Online: 15 MAY 2002
  2. Published Print: 21 MAY 2001

ISBN Information

Print ISBN: 9780471405405

Online ISBN: 9780471221319

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Keywords:

  • noisy independent component analysis (ICA);
  • sensor noise;
  • source noise;
  • mixing matrix;
  • estimation;
  • noise-free independent components;
  • denoising;
  • sparse code shrinkage

Summary

It has been proposed that the independent component analysis (ICA) model should include a noise term as well. In this chapter, the authors consider different methods for estimating the ICA model when noise is present.