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  Separation of post-nonlinear mixtures using ACE and temporal decorrelation

Ziehe, A., Kawanabe, M., Harmeling, S., & Müller, K.-R. (2001). Separation of post-nonlinear mixtures using ACE and temporal decorrelation. In T.-W. Lee, T. Jung, S. Makeig, & T. Sejnowski (Eds.), Third International Workshop on Independent Component Analysis and Blind Signal Separation (ICA 2001) (pp. 433-438).

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-E169-4 Version Permalink: https://hdl.handle.net/21.11116/0000-0005-A85A-9
Genre: Conference Paper

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 Creators:
Ziehe, A, Author
Kawanabe , M, Author
Harmeling, S1, Author           
Müller, K-R1, Author           
Affiliations:
1External Organizations, ou_persistent22              

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 Abstract: We propose an efficient method based on the concept of maximal correlation that reduces the post-nonlinear blind
source separation problem (PNL BSS) to a linear BSS problem.
For this we apply the Alternating Conditional Expectation
(ACE) algorithm – a powerful technique from nonparametric
statistics – to approximately invert the (post-)nonlinear
functions. Interestingly, in the framework of the ACE
method convergence can be proven and in the PNL BSS
scenario the optimal transformation found by ACE will coincide
with the desired inverse functions. After the nonlinearities
have been removed by ACE, temporal decorrelation
(TD) allows us to recover the source signals. An excellent
performance underlines the validity of our approach
and demonstrates the ACE-TD method on realistic examples.

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Language(s):
 Dates: 2001-12
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: BibTex Citekey: 6365
 Degree: -

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Title: Third International Workshop on Independent Component Analysis and Blind Signal Separation (ICA 2001)
Place of Event: San Diego, CA, USA
Start-/End Date: 2001-12-09 - 2001-12-13

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Title: Third International Workshop on Independent Component Analysis and Blind Signal Separation (ICA 2001)
Source Genre: Proceedings
 Creator(s):
Lee, T-W, Editor
Jung, TP, Editor
Makeig, S, Editor
Sejnowski, TJ, Editor
Affiliations:
-
Publ. Info: -
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 433 - 438 Identifier: ISBN: 0-9724080-0-2