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http://hdl.handle.net/11154/895
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Title: | Effect of signal noise on the learning capability of an artificial neural network |
Authors: | Vega, JJ Reynoso, R Calvet, HC |
Issue Date: | 2009 |
Abstract: | Digital Pulse Shape Analysis (DPSA) by artificial neural networks (ANN) is becoming an important tool to extract relevant information from digitized signals in different areas. In this paper, we present a systematic evidence of how the concomitant noise that distorts the signals or patterns to be identified by an ANN set limits to its learning capability. Also, we present evidence that explains overtraining as a competition between the relevant pattern features, on the one side, against the signal noise, on the other side, as the main cause defining the shape of the error surface in weight space and, consequently, determining the steepest descent path that controls the ANN adaptation process. (C) 2009 Elsevier B.V. All rights reserved. |
URI: | http://hdl.handle.net/11154/13982795 |
ISSN: | 0168-9002 |
Appears in Collections: | Ciencias
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