**Aapo Hyvärinen and Erkki Oja
Helsinki University of
Technology
Laboratory of Computer and Information Science
P.O. Box 5400, FIN-02015 Espoo, Finland **

*Date:* April 1999

Here is a PostScript version of this paper (or
gzipped).

Here is a PDF version of this paper

**
A Japanese translation**
(Credits)

See also the **What is ICA **page.

- Motivation
- Independent Component Analysis
- What is independence?
- Principles of ICA estimation
- Preprocessing for ICA
- The FastICA Algorithm
- Applications of ICA
- Conclusion
- Bibliography
- About this document ...