Title :
Classification of sleep-waking states using modular neural networks
Author :
Estévez, P.A. ; Fernández, M.E. ; Held, C.M. ; Holzmann, C.A. ; Pérez, C.A. ; Pérez, J.P.
Author_Institution :
Dept. of Electr. Eng., Chile Univ., Santiago, Chile
Abstract :
Applies modular neural network models to classify sleep-waking states in infants. The performances of three connectionist models are compared: (a) a multilayer perceptron (MLP), (b) a mixture of experts (ME) and (c) a fuzzy ganglionar lattice (FGL). We propose a new methodology for enhancing neural classifiers based on input variable selection and confusion error analysis using expert criteria. The ME model was more robust than the MLP and FGL models in the presence of inconsistent or noisy data. Input variable selection and confusion error analysis using expert criteria led to parsimonious models with less parameters and better classification rates
Keywords :
error analysis; medical computing; neural nets; paediatrics; pattern classification; performance evaluation; sleep; classification rates; confusion error analysis; connectionist model performance; expert criteria; fuzzy ganglionar lattice; inconsistent data; infants; input variable selection; mixture of experts; modular neural network models; multilayer perceptron; neural classifiers; noisy data; parameter number; parsimonious models; robustness; sleep-waking state classification; Artificial neural networks; Error analysis; Fuzzy reasoning; Humans; Input variables; Lattices; Multilayer perceptrons; Neural networks; Pediatrics; Robustness;
Conference_Titel :
Systems, Man, and Cybernetics, 2000 IEEE International Conference on
Conference_Location :
Nashville, TN
Print_ISBN :
0-7803-6583-6
DOI :
10.1109/ICSMC.2000.884382