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Author: Kevin Swingler

Affiliation: University of Stirling, United Kingdom

Keyword(s): Multilayer Perceptrons, Walsh Functions, Network Function Analysis.

Related Ontology Subjects/Areas/Topics: Artificial Intelligence ; Artificial Intelligence and Decision Support Systems ; Biomedical Engineering ; Biomedical Signal Processing ; Computational Intelligence ; Data Manipulation ; Enterprise Information Systems ; Health Engineering and Technology Applications ; Human-Computer Interaction ; Methodologies and Methods ; Neural Based Data Mining and Complex Information Processing ; Neural Network Software and Applications ; Neural Networks ; Neurocomputing ; Neurotechnology, Electronics and Informatics ; Pattern Recognition ; Physiological Computing Systems ; Sensor Networks ; Signal Processing ; Soft Computing ; Theory and Methods

Abstract: The multilayer perceptron (MLP) is a widely used neural network architecture, but it suffers from the fact that its knowledge representation is not readily interpreted. Hidden neurons take the role of feature detectors, but the popular learning algorithms (back propagation of error, for example) coupled with random starting weights mean that the function implemented by a trained MLP can be difficult to analyse. This paper proposes a method for understanding the structure of the function learned by MLPs that model functions of the class f : f􀀀1;1gn ! Rm. The approach characterises a given MLP using Walsh functions, which make the interactions among subsets of variables explicit. Demonstrations of this analysis used to monitor complexity during learning, understand function structure and measure the generalisation ability of trained networks are presented.

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Paper citation in several formats:
Swingler, K. (2014). A Walsh Analysis of Multilayer Perceptron Function. In Proceedings of the International Conference on Neural Computation Theory and Applications (IJCCI 2014) - NCTA; ISBN 978-989-758-054-3, SciTePress, pages 5-14. DOI: 10.5220/0004974800050014

@conference{ncta14,
author={Kevin Swingler.},
title={A Walsh Analysis of Multilayer Perceptron Function},
booktitle={Proceedings of the International Conference on Neural Computation Theory and Applications (IJCCI 2014) - NCTA},
year={2014},
pages={5-14},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004974800050014},
isbn={978-989-758-054-3},
}

TY - CONF

JO - Proceedings of the International Conference on Neural Computation Theory and Applications (IJCCI 2014) - NCTA
TI - A Walsh Analysis of Multilayer Perceptron Function
SN - 978-989-758-054-3
AU - Swingler, K.
PY - 2014
SP - 5
EP - 14
DO - 10.5220/0004974800050014
PB - SciTePress

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