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  Analysing ICA component by injection noise

Harmeling, S., Meinecke, F., & Müller, K.-R. (2003). Analysing ICA component by injection noise. In S.-I. Amari, A. Cichocki, S. Makino, & N. Murata (Eds.), Fourth International Symposium on Independent Component Analysis and Blind Signal Separation (ICA 2003) (pp. 149-154).

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-DCB3-1 Version Permalink: http://hdl.handle.net/21.11116/0000-0005-71D8-8
Genre: Conference Paper

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http://www.kecl.ntt.co.jp/icl/signal/ica2003/ (Publisher version)
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 Creators:
Harmeling, S1, Author              
Meinecke, F, Author
Müller, K-R1, Author              
Affiliations:
1External Organizations, ou_persistent22              

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 Abstract: Usually, noise is considered to be destructive. We present a new method that constructively injects noise to assess the reliability and the group structure of empirical ICA components. Simulations show that the true root-mean squared angle distances between the real sources and some source estimates can be approximated by our method. In a toy experiment, we see that we are also able to reveal the underlying group structure of extracted ICA components. Furthermore, an experiment with fetal ECG data demonstrates that our approach is useful for exploratory data analysis of real-world data.

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Language(s):
 Dates: 2003-04
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: BibTex Citekey: 6358
 Degree: -

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Title: Fourth International Symposium on Independent Component Analysis and Blind Signal Separation (ICA 2003)
Place of Event: Nara, Japan
Start-/End Date: 2003-04-01 - 2003-04-04

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Title: Fourth International Symposium on Independent Component Analysis and Blind Signal Separation (ICA 2003)
Source Genre: Proceedings
 Creator(s):
Amari, S-I, Editor
Cichocki, A, Editor
Makino, S, Editor
Murata, N, Editor
Affiliations:
-
Publ. Info: -
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 149 - 154 Identifier: -