Title :
Minimum misclassification error performance measure for layered networks of artificial fuzzy neurons
Author :
Szu, Harold ; Telfer, Brian
Author_Institution :
US Naval Surface Warfare Center, Silver Spring, MD, USA
Abstract :
Summary form only given. Neural network techniques that directly minimize misclassification error (MME) are more appropriate for automatic classification than least mean square (LMS) techniques. While LMS is designed to give a best fit to the ´humps´ of the data distribution, MME is sensitive to the ´tails´ that have overlapping minima. It is shown that the MME energy landscape can be nonconvex. Cauchy simulated annealing was used to find the global minimum, and the resulting solution is shown to give a lower misclassification rate than the linear-LMS solution. MME layered networks of fuzzy neurons circumvent the formidable difficulty in the estimation of Bayesian probability that puts emphasis on approximating the ´humps´ instead of the ´tails´
Keywords :
Bayes methods; classification; computerised pattern recognition; errors; fuzzy logic; least squares approximations; minimisation; neural nets; probability; simulated annealing; Bayesian probability; Cauchy simulated annealing; artificial fuzzy neurons; automatic classification; data distribution; energy landscape; layered neural net; least mean squares techniques; minimum misclassification error; overlapping minima; performance measure; Artificial neural networks; Fuzzy neural networks; Handwriting recognition; Least squares approximation; Neurons; Probability distribution; Silver; Springs; Surface fitting; Switches;
Conference_Titel :
Neural Networks, 1991., IJCNN-91-Seattle International Joint Conference on
Conference_Location :
Seattle, WA
Print_ISBN :
0-7803-0164-1
DOI :
10.1109/IJCNN.1991.155563