Exploració per autor "Sopena, Josep Maria"
Ara es mostren els items 1-2 de 2
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Feature Selection with Single-Layer Perceptrons for a multicentre 1H-MRS brain tumour database
Romero Merino, Enrique; Vellido Alcacena, Alfredo; Sopena, Josep Maria (2009-06-12)
Article
Accés restringit per política de l'editorialA Feature Selection process with Single-Layer Perceptrons is shown to provide optimum discrimination of an international, multi-centre 1H-MRS database of brain tumors at reasonable computational cost. Results are both ... -
Neural networks with periodic and monotonic activation functions: a comparative study in classification problems
Romero Merino, Enrique; Sopena, Josep Maria; Alquézar Mancho, René; Moliner, Joan L. (2000-02)
Report de recerca
Accés obertThis article discusses a number of reasons why the use of non-monotonic functions as activation functions can lead to a marked improvement in the performance of a neural network. Using a wide range of benchmarks we show ...