A. Hyvärinen. One-Unit Learning Rules for Independent
Component Analysis.
In Advances in Neural Information Processing System 9 (NIPS*96),
MIT Press, 1997, pp. 480--486.
Postscript
gzipped PostScript.
Abstract: Neural one-unit learning rules for the problem of Independent Component Analysis (ICA) and blind source separation are introduced. In these new algorithms, every ICA neuron develops into a separator that finds one of the independent components. The learning rules use very simple constrained Hebbian/anti-Hebbian learning in which decorrelating feedback may be added. To speed up the convergence of these stochastic gradient descent rules, a novel computationally efficient fixed-point algorithm is introduced.
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