Robust Method via Independent Component Analysis with Additive Noise

Article Preview

Abstract:

Blind source separation via independent component analysis (ICA) has received increasing attention because of its potential application in signal processing system. The existing ICA methods can not give a consistent estimator of the mixing matrix because of additive noise. Based on interpretation and properties of the vectorial spaces of sources and mixtures, a new ICA method is presented in this paper that may constructively reject noise so as to estimate the mixing matrix consistently. This procedure may capture the underlying source dynamics effectively even if additive noise exists. The simulation results show that this method has high stability and reliability in the process of revealing the undering group structure of extracted ICA components.

You might also be interested in these eBooks

Info:

Periodical:

Advanced Materials Research (Volumes 113-116)

Pages:

272-275

Citation:

Online since:

June 2010

Export:

Price:

Permissions CCC:

Permissions PLS:

Сopyright:

© 2010 Trans Tech Publications Ltd. All Rights Reserved

Share:

Citation:

[1] P. Common: Independent component analysis. A new concept?, Signal Processing, 36, (1994).

Google Scholar

[2] H. Attias: Independent factor analysis, Neural Computation, vol. 11, (2003).

Google Scholar

[3] A. Hyvarinen: Gaussian moments for noisy independent component analysis, IEEE Signal Processing Letters, (2002).

DOI: 10.1109/97.763148

Google Scholar

[4] Simon Haykin: Adaptive Filter Theory, Prentice-hall, (2006).

Google Scholar

[5] B. Widrow and S. Stearns: Adaptive Signal Processing, Prentice-hall, (2005).

Google Scholar

[6] Information on http: /www. cis. hut. fi/projects/ica.

Google Scholar