| Issue |
Europhys. Lett.
Volume 64, Number 4, November 2003
|
|
|---|---|---|
| Page(s) | 564 - 570 | |
| Section | Interdisciplinary physics and related areas of science and technology | |
| DOI | https://doi.org/10.1209/epl/i2003-00611-3 | |
| Published online | 01 November 2003 | |
Statistical physics of independent component analysis
Institut für theoretische Physik, Universität Würzburg
Am Hubland, D-97074 Würzburg, Germany
Received:
6
May
2003
Accepted:
1
September
2003
Statistical physics is used to investigate independent component analysis with polynomial contrast functions. While the replica method fails, an adapted cavity approach yields valid results. The learning curves, obtained in a suitable thermodynamic limit, display a first-order phase transition from poor to perfect generalization.
PACS: 89.75.Fb – Structures and organization in complex systems / 84.35.+i – Neural networks / 64.60.Cn – Order-disorder transformations; statistical mechanics of model systems
© EDP Sciences, 2003
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